<s>
Linux	B-Application
gaming	I-Application
refers	O
to	O
playing	O
video	O
games	O
on	O
a	O
Linux	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
Because	O
many	O
games	O
are	O
not	O
natively	O
supported	O
for	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
,	O
various	O
software	O
has	O
been	O
made	O
to	O
run	O
Windows	B-Application
games	O
,	O
such	O
as	O
Wine	B-Application
,	O
Cedega	B-General_Concept
,	O
and	O
Proton	B-Application
,	O
and	O
managers	O
such	O
as	O
Lutris	B-Language
and	O
PlayOnLinux	B-Language
.	O
</s>
<s>
The	O
Linux	B-Application
gaming	I-Application
community	O
has	O
a	O
presence	O
on	O
the	O
internet	O
with	O
users	O
who	O
attempt	O
to	O
run	O
games	O
that	O
are	O
normally	O
not	O
supported	O
on	O
Linux	B-Application
.	O
</s>
<s>
Linux	B-Application
gaming	I-Application
started	O
largely	O
as	O
an	O
extension	O
of	O
the	O
already	O
present	O
Unix	B-Application
gaming	O
scene	O
,	O
which	O
dates	O
back	O
to	O
that	O
system	O
's	O
conception	O
in	O
1969	O
with	O
the	O
game	O
Space	B-Application
Travel	I-Application
and	O
the	O
first	O
edition	O
in	O
1971	O
,	O
with	O
both	O
systems	O
sharing	O
many	O
similar	O
titles	O
.	O
</s>
<s>
These	O
games	O
were	O
mostly	O
either	O
arcade	O
and	O
parlour	O
type	O
games	O
or	O
text	O
adventures	O
using	O
libraries	O
like	O
curses	B-Device
.	O
</s>
<s>
A	O
notable	O
example	O
of	O
this	O
are	O
the	O
"	O
BSD	B-Operating_System
Games	O
"	O
,	O
a	O
collection	O
of	O
interactive	O
fiction	O
and	O
other	O
text-mode	O
amusements	O
.	O
</s>
<s>
The	O
free	B-Application
software	I-Application
and	O
open	B-Application
source	I-Application
methodologies	O
which	O
spawned	O
the	O
development	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
in	O
general	O
also	O
spawned	O
the	O
creation	O
of	O
various	O
early	O
free	B-Application
games	I-Application
.	O
</s>
<s>
Popular	O
early	O
titles	O
included	O
Netrek	B-Application
and	O
the	O
various	O
XAsteroids	B-Application
,	O
XBattle	O
,	O
XBill	B-Application
,	O
XBoing	B-Application
,	O
X-Bomber	B-Application
,	O
XConq	B-Application
,	O
XDigger	B-Application
,	O
XEmeraldia	B-Device
,	O
XEvil	O
,	O
XGalaga	B-Application
,	O
XGammon	B-Application
,	O
XLander	B-Application
,	O
XLife	O
,	O
XMahjong	B-Application
,	O
XMine	B-Application
,	O
XSoldier	O
,	O
XPilot	B-Language
,	O
XRobots	B-Device
,	O
XRubiks	O
,	O
XShogi	O
,	O
XScavenger	B-Application
,	O
XTris	B-Device
,	O
XTron	B-Application
,	O
XTic	O
and	O
XTux	O
games	O
using	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
.	O
</s>
<s>
As	O
the	O
operating	B-General_Concept
system	I-General_Concept
itself	O
grew	O
and	O
expanded	O
,	O
the	O
amount	O
of	O
free	B-License
and	I-License
open-source	I-License
games	O
also	O
increased	O
in	O
scale	O
and	O
complexity	O
,	O
with	O
both	O
clones	O
of	O
historically	O
popular	O
releases	O
beginning	O
with	O
BZFlag	B-Language
,	O
LinCity	B-Application
,	O
and	O
FreeCiv	B-Application
,	O
as	O
well	O
as	O
original	O
creations	O
such	O
as	O
Rocks'n'Diamonds	B-Language
and	O
Tux	B-Application
Racer	I-Application
.	O
</s>
<s>
The	O
beginning	O
of	O
Linux	B-Application
as	I-Application
a	I-Application
gaming	I-Application
platform	I-Application
for	O
commercial	O
video	O
games	O
is	O
widely	O
credited	O
to	O
have	O
begun	O
in	O
1994	O
when	O
Dave	O
D	B-Application
.	O
Taylor	O
ported	O
the	O
game	O
Doom	B-Application
to	O
Linux	B-Application
,	O
as	O
well	O
as	O
many	O
other	O
systems	O
,	O
during	O
his	O
spare	O
time	O
.	O
</s>
<s>
From	O
there	O
he	O
would	O
also	O
help	O
found	O
the	O
development	O
studio	O
Crack	O
dot	O
Com	O
,	O
which	O
released	O
the	O
video	O
game	O
Abuse	B-Application
,	O
with	O
the	O
game	O
's	O
Linux	B-Application
port	O
even	O
being	O
distributed	O
by	O
Linux	B-Application
vendor	O
Red	B-Language
Hat	O
.	O
</s>
<s>
The	O
studio	O
's	O
never	O
finished	O
Golgotha	B-Application
was	O
also	O
slated	O
to	O
be	O
released	O
by	O
Red	B-Language
Hat	O
in	O
box	O
.	O
</s>
<s>
Ancient	B-Application
Domains	I-Application
of	I-Application
Mystery	I-Application
was	O
also	O
released	O
for	O
Linux	B-Application
in	O
1994	O
by	O
Thomas	O
Biskup	O
,	O
building	O
on	O
the	O
roguelike	O
legacy	O
of	O
games	O
such	O
as	O
Moria	B-Device
and	O
its	O
descendent	O
Angband	B-Application
,	O
but	O
more	O
specifically	O
Hack	B-Application
and	O
NetHack	B-Application
.	O
</s>
<s>
id	O
Software	O
,	O
the	O
original	O
developers	O
of	O
Doom	B-Application
,	O
also	O
continued	O
to	O
release	O
their	O
products	O
for	O
Linux	B-Application
.	O
</s>
<s>
Their	O
game	O
Quake	B-Application
was	O
ported	O
to	O
Linux	B-Application
via	O
X11	B-Operating_System
in	O
1996	O
,	O
once	O
again	O
by	O
Dave	O
D	B-Application
.	O
Taylor	O
working	O
in	O
his	O
free	O
time	O
.	O
</s>
<s>
An	O
SVGALib	B-Application
version	O
was	O
also	O
later	O
produced	O
by	O
Greg	O
Alexander	O
in	O
1997	O
using	O
recently	O
leaked	O
source	B-Application
code	O
,	O
but	O
was	O
later	O
mainlined	O
by	O
id	O
.	O
</s>
<s>
The	O
ports	O
of	O
Quake	B-Application
and	O
Quake	B-Application
II	I-Application
were	O
released	O
physically	O
by	O
Macmillan	O
Computer	O
Publishing	O
USA	O
,	O
while	O
Quake	B-Application
III	I-Application
was	O
released	O
for	O
Linux	B-Application
by	O
Loki	O
Software	O
.	O
</s>
<s>
In	O
1991	O
DUX	O
Software	O
contracted	O
Don	O
Hopkins	O
to	O
port	O
SimCity	B-Application
to	O
Unix	B-Application
,	O
which	O
he	O
later	O
ported	O
to	O
Linux	B-Application
and	O
eventually	O
released	O
as	O
open	B-Application
source	I-Application
for	O
the	O
OLPC	B-Application
XO	I-Application
Laptop	I-Application
.	O
</s>
<s>
Other	O
early	O
commercial	O
Linux	B-Application
games	I-Application
included	O
Hopkins	B-Application
FBI	I-Application
,	O
an	O
adventure	O
game	O
released	O
in	O
1998	O
by	O
MP	O
Entertainment	O
,	O
and	O
Inner	B-Application
Worlds	I-Application
in	O
1996	O
,	O
which	O
was	O
released	O
for	O
and	O
developed	O
on	O
Linux	B-Application
.	O
</s>
<s>
In	O
1998	O
,	O
two	O
programmers	O
from	O
Origin	B-Operating_System
ported	O
Ultima	B-Protocol
Online	I-Protocol
to	O
Linux	B-Application
.	O
</s>
<s>
The	O
UNIX	B-Application
Book	O
of	O
Games	O
,	O
a	O
1996	O
publication	O
by	O
Janice	O
Winsor	O
,	O
described	O
various	O
games	O
with	O
an	O
accompanying	O
CD-ROM	O
containing	O
executables	O
and	O
source	B-Application
code	O
for	O
Linux	B-Application
and	O
SCO	B-Operating_System
Unix	I-Operating_System
.	O
</s>
<s>
A	O
website	O
called	O
The	O
Linux	B-Application
Game	I-Application
Tome	O
,	O
also	O
known	O
as	O
HappyPenguin	O
after	O
its	O
URL	O
,	O
was	O
begun	O
by	O
Tessa	O
Lau	O
in	O
1995	O
to	O
catalogue	O
games	O
created	O
for	O
or	O
ported	O
to	O
Linux	B-Application
from	O
the	O
SunSITE	O
game	O
directories	O
as	O
well	O
as	O
other	O
classic	O
X11	B-Operating_System
games	O
for	O
a	O
collection	O
of	O
just	O
over	O
100	O
titles	O
.	O
</s>
<s>
On	O
November	O
9	O
,	O
1998	O
,	O
a	O
new	O
software	O
firm	O
called	O
Loki	O
Software	O
was	O
founded	O
by	O
Scott	O
Draeker	O
,	O
a	O
former	O
lawyer	O
who	O
became	O
interested	O
in	O
porting	O
games	O
to	O
Linux	B-Application
after	O
being	O
introduced	O
to	O
the	O
system	O
through	O
his	O
work	O
as	O
a	O
software	O
licensing	O
attorney	O
.	O
</s>
<s>
Loki	O
,	O
although	O
a	O
commercial	O
failure	O
,	O
is	O
credited	O
with	O
the	O
birth	O
of	O
the	O
modern	O
Linux	B-Application
game	I-Application
industry	O
.	O
</s>
<s>
Loki	O
developed	O
several	O
free	B-Application
software	I-Application
tools	O
,	O
such	O
as	O
the	O
Loki	O
installer	O
(	O
also	O
known	O
as	O
Loki	O
Setup	O
)	O
,	O
and	O
supported	O
the	O
development	O
of	O
the	O
Simple	B-Operating_System
DirectMedia	I-Operating_System
Layer	I-Operating_System
,	O
as	O
well	O
as	O
starting	O
the	O
OpenAL	B-Application
audio	O
library	O
project	O
.	O
</s>
<s>
These	O
are	O
still	O
often	O
credited	O
as	O
being	O
the	O
cornerstones	O
of	O
Linux	B-Application
game	I-Application
development	O
.	O
</s>
<s>
Loki	O
's	O
initial	O
success	O
also	O
attracted	O
other	O
firms	O
to	O
invest	O
in	O
the	O
Linux	B-Application
gaming	I-Application
market	O
,	O
such	O
as	O
Tribsoft	O
,	O
Hyperion	B-Operating_System
Entertainment	I-Operating_System
,	O
Macmillan	O
Digital	O
Publishing	O
USA	O
,	O
Titan	O
Computer	O
,	O
Xatrix	O
Entertainment	O
,	O
Philos	O
Laboratories	O
,	O
and	O
Vicarious	O
Visions	O
.	O
</s>
<s>
During	O
this	O
time	O
Michael	O
Simms	O
founded	O
Tux	B-Application
Games	O
,	O
one	O
of	O
the	O
first	O
online	O
Linux	B-Application
game	I-Application
retailers	O
,	O
later	O
followed	O
by	O
Fun	O
4	O
Tux	B-Application
,	O
Wupra	O
,	O
ixsoft	O
,	O
and	O
LinuxPusher	O
.	O
</s>
<s>
The	O
period	O
also	O
saw	O
a	O
number	O
of	O
commercial	O
compilations	O
released	O
,	O
such	O
as	O
100	O
Great	O
Linux	B-Application
Games	I-Application
by	O
Global	O
Star	O
Software	O
,	O
Linux	B-Application
Games	I-Application
by	O
Walnut	O
Creek	O
CDROM	O
,	O
Best	O
Linux	B-Application
Games	I-Application
by	O
SOT	O
Finnish	O
Software	O
Engineering	O
,	O
Linux	B-Application
Games	I-Application
&	O
Entertainment	O
for	O
X	B-Operating_System
Windows	I-Operating_System
by	O
Hemming	O
,	O
Linux	B-Application
Spiele	O
&	O
Games	O
by	O
more	O
software	O
,	O
Linux	B-Application
Spiele	O
by	O
Franzis	O
Verlag	O
,	O
and	O
play	O
it	O
!	O
</s>
<s>
Linux	B-Application
:	O
Die	O
Spielesammlung	O
by	O
S.A.D.	O
</s>
<s>
The	O
release	O
of	O
ScummVM	B-Device
in	O
2001	O
,	O
Dosbox	B-Application
in	O
2002	O
,	O
as	O
well	O
as	O
video	B-Device
game	I-Device
console	I-Device
emulators	B-Application
like	O
MAME	B-Device
from	O
1997	O
and	O
released	O
as	O
open	B-Application
source	I-Application
in	O
2016	O
,	O
helped	O
make	O
Linux	B-Application
a	O
viable	O
platform	O
for	O
retro	O
gaming	O
(	O
facilitated	O
by	O
the	O
RetroArch	B-Application
frontend	O
since	O
2010	O
)	O
.	O
</s>
<s>
This	O
is	O
especially	O
the	O
case	O
for	O
dedicated	O
emulation	B-Application
setups	O
built	O
on	O
single-board	B-Device
computers	I-Device
like	O
the	O
Raspberry	B-Operating_System
Pi	I-Operating_System
released	O
in	O
2012	O
,	O
which	O
are	O
most	O
often	O
Linux	B-Application
based	O
including	O
with	O
Raspberry	B-Application
Pi	I-Application
OS	I-Application
.	O
</s>
<s>
Wine	B-Application
is	O
also	O
useful	O
for	O
running	O
older	O
Windows	B-Application
games	O
,	O
including	O
16-bit	B-Device
and	O
even	O
some	O
32-bit	O
applications	O
that	O
no	O
longer	O
work	O
on	O
modern	O
64-bit	B-Device
Windows	B-Application
.	O
</s>
<s>
After	O
Loki	O
's	O
closure	O
,	O
the	O
Linux	B-Application
game	I-Application
market	O
experienced	O
some	O
changes	O
.	O
</s>
<s>
Although	O
some	O
new	O
firms	O
,	O
such	O
as	O
Linux	B-Application
Game	I-Application
Publishing	O
and	O
RuneSoft	O
,	O
would	O
largely	O
continue	O
the	O
role	O
of	O
a	O
standard	O
porting	O
house	O
,	O
the	O
focus	O
began	O
to	O
change	O
with	O
Linux	B-Application
game	I-Application
proponents	O
encouraging	O
game	O
developers	O
to	O
port	O
their	O
game	O
products	O
themselves	O
or	O
through	O
individual	O
contractors	O
.	O
</s>
<s>
Influential	O
to	O
this	O
was	O
Ryan	O
C	B-Language
.	O
Gordon	O
,	O
a	O
former	O
Loki	O
employee	O
who	O
would	O
over	O
the	O
next	O
decade	O
port	O
several	O
game	O
titles	O
to	O
multiple	B-Operating_System
platforms	I-Operating_System
,	O
including	O
Linux	B-Application
.	O
</s>
<s>
Around	O
this	O
time	O
many	O
companies	O
,	O
starting	O
with	O
id	O
Software	O
,	O
also	O
began	O
to	O
release	O
legacy	O
source	B-Application
code	O
leading	O
to	O
a	O
proliferation	O
of	O
source	B-Application
ports	O
of	O
older	O
games	O
to	O
Linux	B-Application
and	O
other	O
systems	O
.	O
</s>
<s>
This	O
also	O
helped	O
expand	O
the	O
already	O
existing	O
free	B-License
and	I-License
open-source	I-License
gaming	O
scene	O
,	O
especially	O
with	O
regards	O
to	O
the	O
creation	O
of	O
free	O
first	O
person	O
shooters	O
.	O
</s>
<s>
In	O
addition	O
,	O
numerous	O
game	O
engine	O
recreations	O
have	O
been	B-Application
produced	I-Application
to	O
varying	O
levels	O
of	O
accuracy	O
using	O
reverse	O
engineering	O
or	O
underlying	O
engine	O
code	O
supporting	O
the	O
original	O
game	O
files	O
including	O
on	O
Linux	B-Application
and	O
other	O
niche	O
systems	O
.	O
</s>
<s>
The	O
company	O
TransGaming	O
marketed	O
as	O
a	O
monthly	O
subscription	O
its	O
own	O
proprietary	B-Application
fork	O
of	O
Wine	B-Application
called	O
WineX	B-General_Concept
in	O
October	O
2001	O
,	O
later	O
renamed	O
Cedega	B-General_Concept
in	O
2004	O
and	O
discontinued	O
in	O
2011	O
,	O
which	O
aimed	O
for	O
greater	O
compatibility	O
with	O
Microsoft	B-Application
Windows	I-Application
games	O
.	O
</s>
<s>
CodeWeavers	O
also	O
offered	O
an	O
enhanced	O
version	O
of	O
Wine	B-Application
called	O
CrossOver	B-Operating_System
Games	I-Operating_System
.	O
</s>
<s>
The	O
reliance	O
on	O
such	O
compatibility	B-General_Concept
layers	I-General_Concept
remains	O
controversial	O
with	O
concerns	O
that	O
it	O
hinders	O
growth	O
in	O
native	O
development	O
,	O
although	O
this	O
approach	O
was	O
defended	O
based	O
on	O
Loki	O
's	O
demise	O
.	O
</s>
<s>
PlayOnLinux	B-Language
,	O
established	O
in	O
2007	O
,	O
provides	O
a	O
community	O
implementation	O
.	O
</s>
<s>
The	O
Linux	B-Application
gaming	I-Application
market	O
also	O
started	O
to	O
experience	O
some	O
growth	O
towards	O
the	O
end	O
of	O
the	O
decade	O
with	O
the	O
rise	O
of	O
independent	O
video	O
game	O
development	O
,	O
with	O
many	O
"	O
indie	O
"	O
developers	O
favouring	O
support	O
for	O
multiple	B-Operating_System
platforms	I-Operating_System
.	O
</s>
<s>
The	O
Humble	O
Indie	O
Bundle	O
initiatives	O
inaugurated	O
in	O
2010	O
helped	O
to	O
formally	O
demonstrate	O
this	O
trend	O
,	O
with	O
Linux	B-Application
users	O
representing	O
a	O
sizable	O
population	O
of	O
their	O
purchase	O
base	O
,	O
as	O
well	O
as	O
consistently	O
being	O
the	O
most	O
financially	O
generous	O
in	O
terms	O
of	O
actual	O
money	O
spent	O
.	O
</s>
<s>
The	O
Humble	O
Indie	O
Bundle	O
V	O
in	O
2012	O
faced	O
controversy	O
for	O
featuring	O
a	O
Wine-based	O
release	O
of	O
Limbo	B-Application
prepared	O
by	O
CodeWeavers	O
,	O
while	O
a	O
native	O
version	O
was	O
later	O
released	O
in	O
2014	O
.	O
</s>
<s>
Humble	O
eventually	O
began	O
offering	O
Windows-only	O
games	O
in	O
their	O
bundles	O
and	O
on	O
their	O
store	O
.	O
</s>
<s>
In	O
2009	O
,	O
the	O
small	O
indie	O
game	O
company	O
Entourev	O
LLC	O
published	O
Voltley	O
to	O
Linux	B-Application
which	O
is	O
the	O
first	O
commercial	O
exclusive	O
game	O
for	O
this	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
In	O
the	O
same	O
year	O
,	O
LGP	O
released	O
Shadowgrounds	B-Application
which	O
was	O
the	O
first	O
commercial	O
game	O
for	O
Linux	B-Application
using	O
the	O
Nvidia	B-Operating_System
PhysX	I-Operating_System
middleware	B-General_Concept
.	O
</s>
<s>
The	O
GamingOnLinux	O
website	O
was	O
launched	O
on	O
July	O
4	O
,	O
2009	O
and	O
eventually	O
succeeded	O
LinuxGames	O
as	O
the	O
main	O
source	B-Application
of	O
news	O
and	O
commentary	O
.	O
</s>
<s>
The	O
release	O
of	O
a	O
Linux	B-Application
version	O
of	O
Desura	B-Language
in	O
2011	O
,	O
a	O
digital	O
distribution	O
platform	O
with	O
a	O
primary	O
focus	O
on	O
small	O
independent	O
developers	O
,	O
was	O
heralded	O
by	O
several	O
commentators	O
as	O
an	O
important	O
step	O
to	O
greater	O
acknowledgement	O
of	O
Linux	B-Application
as	I-Application
a	I-Application
gaming	I-Application
platform	I-Application
.	O
</s>
<s>
Shortly	O
before	O
this	O
,	O
Canonical	O
launched	O
the	O
Ubuntu	B-Language
Software	I-Language
Center	I-Language
which	O
also	O
sold	O
digital	O
games	O
.	O
</s>
<s>
The	O
digital	O
store	O
Gameolith	O
also	O
launched	O
in	O
2011	O
focused	O
principally	O
on	O
Linux	B-Application
before	O
expanding	O
in	O
2012	O
and	O
closing	O
in	O
2014	O
.	O
</s>
<s>
In	O
July	O
2012	O
,	O
game	O
developer	O
and	O
content	O
distributor	O
Valve	O
announced	O
a	O
port	O
of	O
their	O
Source	B-Application
engine	I-Application
for	O
Linux	B-Application
as	O
well	O
as	O
stating	O
their	O
intention	O
to	O
release	O
their	O
Steam	B-Application
digital	O
distribution	O
service	O
for	O
Linux	B-Application
.	O
</s>
<s>
The	O
potential	O
availability	O
of	O
a	O
Linux	B-Application
Steam	B-Application
client	I-Application
had	O
already	O
attracted	O
other	O
developers	O
to	O
consider	O
porting	O
their	O
titles	O
to	O
Linux	B-Application
,	O
including	O
previously	O
Mac	B-Application
OS	I-Application
only	O
porting	O
houses	O
such	O
as	O
Aspyr	O
Media	O
and	O
Feral	O
Interactive	O
.	O
</s>
<s>
In	O
November	O
2012	O
,	O
Unity	B-Application
Technologies	O
ported	O
their	O
Unity	B-Application
engine	I-Application
and	O
game	O
creation	O
system	O
to	O
Linux	B-Application
starting	O
with	O
version	O
4	O
.	O
</s>
<s>
All	O
of	O
the	O
games	O
created	O
with	O
the	O
Unity	B-Application
engine	I-Application
can	O
now	O
be	O
ported	O
to	O
Linux	B-Application
easily	O
.	O
</s>
<s>
In	O
September	O
2013	O
Valve	O
announced	O
that	O
they	O
were	O
releasing	O
a	O
gaming	O
oriented	O
Linux	B-Application
based	O
operating	B-General_Concept
system	I-General_Concept
called	O
SteamOS	B-Application
with	O
Valve	O
saying	O
they	O
had	O
"	O
come	O
to	O
the	O
conclusion	O
that	O
the	O
environment	O
best	O
suited	O
to	O
delivering	O
value	O
to	O
customers	O
is	O
an	O
operating	B-General_Concept
system	I-General_Concept
built	O
around	O
Steam	B-Application
itself.	O
"	O
</s>
<s>
This	O
was	O
used	O
for	O
their	O
Steam	B-Device
Machine	I-Device
platform	O
released	O
on	O
November	O
10	O
,	O
2015	O
and	O
discontinued	O
in	O
2018	O
.	O
</s>
<s>
In	O
March	O
2014	O
GOG.com	O
announced	O
they	O
would	O
begin	O
to	O
support	O
Linux	B-Application
titles	O
on	O
their	O
DRM	O
free	O
store	O
starting	O
the	O
same	O
year	O
,	O
after	O
previously	O
stating	O
they	O
would	O
not	O
be	O
able	O
due	O
to	O
too	O
many	O
distributions	O
.	O
</s>
<s>
GOG.com	O
began	O
their	O
initial	O
roll	O
out	O
on	O
July	O
24	O
,	O
2014	O
,	O
by	O
offering	O
50	O
Linux	B-Application
supporting	O
titles	O
,	O
including	O
several	O
new	O
to	O
the	O
platform	O
.	O
</s>
<s>
Despite	O
previous	O
statements	O
,	O
GOG	O
have	O
confirmed	O
they	O
have	O
no	O
plans	O
to	O
port	O
their	O
Galaxy	O
client	O
to	O
Linux	B-Application
.	O
</s>
<s>
The	O
free	B-Application
software	I-Application
Lutris	B-Language
started	O
in	O
2010	O
,	O
GameHub	O
from	O
2019	O
,	O
MiniGalaxy	O
from	O
2020	O
,	O
and	O
the	O
Heroic	O
Games	O
Launcher	O
from	O
2021	O
,	O
offer	O
support	O
for	O
GOG	O
as	O
well	O
as	O
the	O
Epic	O
Games	O
Store	O
,	O
Ubisoft	B-Operating_System
Connect	I-Operating_System
and	O
Origin	B-Operating_System
.	O
</s>
<s>
In	O
March	O
and	O
April	O
2014	O
two	O
major	O
developers	O
Epic	O
Games	O
and	O
Crytek	O
announced	O
Linux	B-Application
support	O
for	O
their	O
next	O
generation	O
engines	O
Unreal	B-Operating_System
Engine	I-Operating_System
4	O
and	O
CryEngine	B-Application
respectively	O
.	O
</s>
<s>
Towards	O
the	O
end	O
2014	O
the	O
game	O
host	O
itch.io	O
announced	O
that	O
Linux	B-Application
would	O
be	O
supported	O
with	O
their	O
developing	O
open	B-Application
source	I-Application
game	I-Application
client	O
.	O
</s>
<s>
This	O
was	O
fully	O
launched	O
simultaneously	O
on	O
Windows	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Linux	B-Application
on	O
December	O
15	O
,	O
2015	O
.	O
</s>
<s>
The	O
service	O
had	O
supported	O
Linux	B-Application
since	O
it	O
was	O
first	O
unveiled	O
on	O
March	O
3	O
,	O
2013	O
,	O
with	O
creator	O
Leaf	O
Corcoran	O
personally	O
a	O
Linux	B-Application
user	O
.	O
</s>
<s>
The	O
similar	O
Game	O
Jolt	O
service	O
also	O
supports	O
Linux	B-Application
and	O
has	O
an	O
open	B-Application
source	I-Application
client	O
released	O
on	O
January	O
13	O
,	O
2016	O
.	O
</s>
<s>
GamersGate	O
also	O
sells	O
games	B-Application
for	I-Application
Linux	I-Application
.	O
</s>
<s>
On	O
August	O
22	O
,	O
2018	O
,	O
Valve	O
released	O
their	O
fork	O
of	O
Wine	B-Application
called	O
Proton	B-Application
,	O
aimed	O
at	O
gaming	O
.	O
</s>
<s>
It	O
features	O
some	O
improvements	O
over	O
the	O
vanilla	B-General_Concept
Wine	B-Application
such	O
as	O
Vulkan-based	O
DirectX	B-Application
11	I-Application
implementation	O
,	O
Steam	B-Application
integration	O
,	O
better	O
full	O
screen	O
and	O
game	B-Device
controller	I-Device
support	O
and	O
improved	O
performance	O
for	O
multi-threaded	O
games	O
.	O
</s>
<s>
It	O
has	O
since	O
grown	O
to	O
include	O
support	O
for	O
DirectX	B-Application
9	I-Application
and	O
DirectX	B-Application
12	O
over	O
Vulkan	B-Application
.	O
</s>
<s>
The	O
itch.io	O
app	O
added	O
its	O
own	O
Wine	B-Application
integration	O
in	O
June	O
2020	O
,	O
while	O
Lutris	B-Language
and	O
PlayOnLinux	B-Language
are	O
long-standing	O
independent	O
solutions	O
for	O
compatibility	O
wrappers	O
.	O
</s>
<s>
As	O
with	O
Wine	B-Application
and	O
Cedega	B-General_Concept
in	O
the	O
past	O
,	O
concerns	O
have	O
been	O
raised	O
over	O
whether	O
Proton	B-Application
hinders	O
native	O
development	O
more	O
than	O
it	O
encourages	O
use	O
of	O
the	O
platform	O
,	O
with	O
Prodeus	B-Application
dropping	O
native	O
support	O
in	O
favour	O
of	O
Proton	B-Application
shortly	O
before	O
final	O
release	O
.	O
</s>
<s>
Valve	O
has	O
expressed	O
no	O
preference	O
over	O
Proton	B-Application
or	O
native	O
ports	O
among	O
developers	O
.	O
</s>
<s>
On	O
February	O
25	O
,	O
2022	O
,	O
Valve	O
released	O
Steam	B-Device
Deck	I-Device
,	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
running	O
SteamOS	B-Application
3.0	I-Application
.	O
</s>
<s>
The	O
deployment	O
of	O
Proton	B-Application
and	O
other	O
design	O
decisions	O
were	O
based	O
on	O
the	O
limited	O
response	O
to	O
their	O
previous	O
Steam	B-Device
Machines	I-Device
.	O
</s>
<s>
As	O
of	O
early	O
2023	O
,	O
the	O
retro	O
game	O
store	O
Zoom	O
Platform	O
was	O
enhancing	O
Linux	B-Application
support	O
on	O
their	O
available	O
titles	O
.	O
</s>
<s>
The	O
Steam	B-Application
Hardware	O
Survey	O
reports	O
that	O
as	O
of	O
July	O
2021	O
,	O
1%	O
of	O
users	O
are	O
using	O
some	O
form	O
of	O
Linux	B-Application
as	O
their	O
platform	O
's	O
primary	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
The	O
Unity	B-Application
game	I-Application
engine	I-Application
used	O
to	O
make	O
their	O
statistics	O
available	O
and	O
in	O
March	O
2016	O
reported	O
that	O
Linux	B-Application
users	O
accounted	O
for	O
0.4	O
%	O
of	O
players	O
.	O
</s>
<s>
In	O
2010	O
,	O
in	O
the	O
first	O
Humble	O
Bundle	O
sales	O
,	O
Linux	B-Application
accounted	O
for	O
18%	O
of	O
purchases	O
.	O
</s>
<s>
Linux	B-Application
as	I-Application
a	I-Application
gaming	I-Application
platform	I-Application
can	O
also	O
refer	O
to	O
operating	B-General_Concept
systems	I-General_Concept
based	O
on	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
and	O
specifically	O
designed	O
for	O
the	O
sole	O
purpose	O
of	O
gaming	O
.	O
</s>
<s>
Examples	O
are	O
SteamOS	B-Application
,	O
which	O
is	O
an	O
operating	B-General_Concept
system	I-General_Concept
for	O
Steam	B-Device
Machines	I-Device
,	O
Steam	B-Device
Deck	I-Device
and	O
general	O
computers	O
,	O
video	B-Device
game	I-Device
consoles	I-Device
built	O
from	O
components	O
found	O
in	O
the	O
classical	O
home	O
computer	O
,	O
(	O
embedded	O
)	O
operating	B-General_Concept
systems	I-General_Concept
like	O
Tizen	B-Application
and	O
Pandora	B-Device
,	O
and	O
handheld	B-Application
game	I-Application
consoles	I-Application
like	O
GP2X	B-Device
,	O
and	O
Neo	B-Architecture
Geo	I-Architecture
X	I-Architecture
.	O
</s>
<s>
The	O
Nvidia	B-Application
Shield	I-Application
runs	O
Android	B-Application
as	O
an	O
operating	B-General_Concept
system	I-General_Concept
,	O
which	O
is	O
based	O
on	O
a	O
modified	O
Linux	B-Operating_System
kernel	I-Operating_System
.	O
</s>
<s>
The	O
open	B-Application
source	I-Application
design	O
of	O
the	O
Linux	B-Application
software	O
platform	O
allows	O
the	O
operating	B-General_Concept
system	I-General_Concept
to	O
be	O
compatible	O
with	O
various	O
computer	O
instruction	B-General_Concept
sets	I-General_Concept
and	O
many	O
peripherals	B-Device
,	O
such	O
as	O
game	B-Device
controllers	I-Device
and	O
head-mounted	B-General_Concept
displays	I-General_Concept
.	O
</s>
<s>
As	O
an	O
example	O
,	O
HTC	O
Vive	O
,	O
which	O
is	O
a	O
virtual	B-Application
reality	I-Application
head-mounted	B-General_Concept
display	I-General_Concept
,	O
supports	O
the	O
Linux	B-Application
gaming	I-Application
platform	O
.	O
</s>
<s>
In	O
2013	O
,	O
tests	O
by	O
Phoronix	O
showed	O
real-world	O
performance	O
of	O
games	O
on	O
Linux	B-Application
with	O
proprietary	B-Application
Nvidia	O
and	O
AMD	O
drivers	O
were	O
mostly	O
comparable	O
to	O
results	O
on	O
Windows	B-Application
8.1	O
.	O
</s>
<s>
Phoronix	O
found	O
similar	O
results	O
in	O
2015	O
,	O
though	O
Ars	O
Technica	O
described	O
a	O
20%	O
performance	O
drop	O
with	O
Linux	B-Application
drivers	O
.	O
</s>
<s>
An	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
and	O
customized	O
specifically	O
for	O
gaming	O
,	O
could	O
adopt	O
the	O
vanilla	B-General_Concept
Linux	B-Operating_System
kernel	I-Operating_System
with	O
only	O
little	O
changes	O
,	O
or	O
—	O
like	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
—	O
be	O
based	O
on	O
a	O
relative	O
extensively	O
modified	O
Linux	B-Operating_System
kernel	I-Operating_System
.	O
</s>
<s>
It	O
could	O
adopt	O
GNU	B-Language
C	I-Language
Library	I-Language
or	O
Bionic	B-Application
or	O
something	O
like	O
it	O
.	O
</s>
<s>
The	O
entire	O
middleware	B-General_Concept
or	O
parts	O
of	O
it	O
,	O
could	O
very	O
well	O
be	O
closed-source	B-Application
and	O
proprietary	B-Application
software	I-Application
;	O
the	O
same	O
is	O
true	O
for	O
the	O
video	O
games	O
.	O
</s>
<s>
There	O
are	O
free	B-License
and	I-License
open-source	I-License
video	O
games	O
available	O
for	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
,	O
as	O
well	O
as	O
proprietary	B-Application
ones	O
.	O
</s>
<s>
The	O
subsystems	O
already	O
mainlined	O
and	O
available	O
in	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
are	O
most	O
probably	O
performant	O
enough	O
so	O
to	O
not	O
impede	O
the	O
gaming	O
experience	O
in	O
any	O
way	O
,	O
however	O
additional	O
software	O
is	O
available	O
,	O
such	O
as	O
e.g.	O
</s>
<s>
the	O
Brain	B-Application
Fuck	I-Application
Scheduler	I-Application
(	O
a	O
process	O
scheduler	O
)	O
or	O
the	O
Budget	O
Fair	O
Queueing	O
(	O
BFQ	O
)	O
scheduler	O
(	O
an	O
I/O	O
scheduler	O
)	O
.	O
</s>
<s>
Similar	O
to	O
the	O
way	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
can	O
be	O
,	O
for	O
example	O
,	O
adapted	O
to	O
run	O
better	O
on	O
supercomputers	O
,	O
there	O
are	O
adaptations	O
targeted	O
at	O
improving	O
the	O
performance	O
of	O
games	O
.	O
</s>
<s>
Several	O
game	O
development	O
tools	O
have	O
been	O
available	O
for	O
Linux	B-Application
,	O
including	O
GNU	B-Language
Debugger	I-Language
,	O
LLDB	B-Language
,	O
Valgrind	B-Application
,	O
glslang	O
and	O
others	O
.	O
</s>
<s>
VOGL	B-Language
,	O
a	O
debugger	B-Application
for	O
OpenGL	B-Application
was	O
released	O
on	O
12	O
March	O
2014	O
.	O
</s>
<s>
An	O
open-source	B-Application
,	O
cross-platform	B-Operating_System
clone	O
of	O
Enterbrain	O
's	O
RPG	B-Application
Maker	I-Application
(	O
2000	O
,	O
2003	O
,	O
XP	O
,	O
VX	O
)	O
,	O
called	O
OpenRPG	O
Maker	O
,	O
is	O
currently	O
in	O
development	O
.	O
</s>
<s>
There	O
are	O
multiple	O
interfaces	B-Application
and	O
Software	B-Application
Development	I-Application
Kits	I-Application
available	O
for	O
Linux	B-Application
,	O
and	O
almost	O
all	O
of	O
them	O
are	O
cross-platform	B-Operating_System
.	O
</s>
<s>
Most	O
are	O
free	B-License
and	I-License
open-source	I-License
software	I-License
subject	O
to	O
the	O
terms	O
of	O
the	O
zlib	B-License
License	I-License
,	O
making	O
it	O
possible	O
to	O
static	O
link	O
against	O
them	O
from	O
fully	O
closed-source	B-Application
proprietary	B-Application
software	I-Application
.	O
</s>
<s>
One	O
difficulty	O
due	O
to	O
this	O
abundance	O
of	O
interfaces	B-Application
,	O
is	O
the	O
difficulty	O
for	O
programmers	O
to	O
choose	O
the	O
best	O
suitable	O
audio	O
API	B-Application
for	O
their	O
purpose	O
.	O
</s>
<s>
The	O
main	O
developer	O
of	O
the	O
PulseAudio	B-Library
project	O
,	O
Lennart	O
Poettering	O
,	O
commented	O
on	O
this	O
issue	O
.	O
</s>
<s>
Physics	O
engines	O
,	O
audio	O
libraries	O
,	O
that	O
are	O
available	O
as	O
modules	O
for	O
game	O
engines	O
,	O
have	O
been	O
available	O
for	O
Linux	B-Application
for	O
a	O
long	O
time	O
.	O
</s>
<s>
The	O
book	O
Programming	O
Linux	B-Application
Games	I-Application
covers	O
a	O
couple	O
of	O
the	O
available	O
APIs	B-Application
suited	O
for	O
video	O
game	O
development	O
for	O
Linux	B-Application
,	O
while	O
The	O
Linux	B-Application
Programming	B-Application
Interface	I-Application
covers	O
the	O
Linux	B-Application
kernel	I-Application
interfaces	I-Application
in	O
much	O
greater	O
detail	O
.	O
</s>
<s>
+	O
Library	O
License	O
in	O
Language	B-Application
bindings	I-Application
Back-ends	O
Description	O
Icon	O
Name	O
Official	O
3rd-party	O
Linux	B-Application
Windows	B-Application
OS	B-Operating_System
X	I-Operating_System
Other	O
48px|Allegro	O
Allegro	B-Language
zlib	B-License
License	I-License
C	B-Language
Android	B-Application
,	O
iOS	B-Application
ClanLib	B-Language
zlib	B-License
License	I-License
C++	B-Language
Python	B-Language
,	O
Lua	B-Language
,	O
Ruby	B-Language
GLFW	B-Language
zlib	B-License
License	I-License
C	B-Language
Ada	B-Language
,	O
C#	B-Application
,	O
Common	B-Language
Lisp	I-Language
,	O
D	B-Application
,	O
Go	B-Application
,	O
Haskell	B-Language
,	O
Java	B-Language
,	O
Python	B-Language
,	O
Rebol	B-Application
,	O
Red	B-Language
,	O
Ruby	B-Language
,	O
Rust	B-Application
a	O
small	O
C	B-Language
library	O
to	O
create	O
and	O
manage	O
windows	B-Application
with	O
OpenGL	B-Application
contexts	O
,	O
enumerate	O
monitors	O
and	O
video	O
modes	O
,	O
and	O
handle	O
input	O
Grapple	O
LGPL-2.1	B-Application
+	I-Application
C	B-Language
free	B-Application
software	I-Application
package	O
for	O
adding	O
multiplayer	O
support	O
Nvidia	O
GameWorks	O
Unknown	O
As	O
the	O
result	O
of	O
their	O
cooperation	O
with	O
Valve	O
,	O
Nvidia	O
announced	O
a	O
Linux	B-Application
port	O
of	O
GameWorks	O
.	O
</s>
<s>
As	O
of	O
June	O
2014	O
,	O
PhysX	B-Operating_System
,	O
and	O
OptiX	B-Algorithm
have	O
been	O
available	O
for	O
Linux	B-Application
for	O
some	O
time	O
.	O
</s>
<s>
Beside	O
majority	O
of	O
the	O
software	O
which	O
acts	O
as	O
an	O
interface	O
to	O
various	O
subsystems	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
,	O
there	O
is	O
also	O
software	O
which	O
can	O
be	O
simply	O
described	O
as	O
middleware	B-General_Concept
.	O
</s>
<s>
A	O
significant	O
share	O
of	O
the	O
available	O
middleware	B-General_Concept
already	O
runs	O
natively	O
on	O
Linux	B-Application
,	O
only	O
a	O
very	O
few	O
run	O
exclusively	O
on	O
Linux	B-Application
.	O
</s>
<s>
Numerous	O
source	B-Application
code	I-Application
editors	I-Application
and	O
IDEs	O
are	O
available	O
for	O
Linux	B-Application
,	O
among	O
which	O
are	O
Visual	B-Language
Studio	I-Language
Code	I-Language
,	O
Sublime	B-Language
Text	I-Language
,	O
Code::Blocks	B-Language
,	O
Qt	B-Language
Creator	I-Language
,	O
Emacs	B-Application
,	O
or	O
Vim	B-Application
.	O
</s>
<s>
A	O
multi-monitor	B-General_Concept
setup	O
is	O
supported	O
on	O
Linux	B-Application
at	O
least	O
by	O
AMD	O
Eyefinity	O
&	O
AMD	B-Application
Catalyst	I-Application
,	O
Xinerama	B-Device
and	O
RandR	O
on	O
both	O
X11	B-Operating_System
and	O
Wayland	O
.	O
</s>
<s>
Serious	B-Application
Sam	I-Application
3	I-Application
:	I-Application
BFE	I-Application
is	O
one	O
example	O
of	O
a	O
game	O
that	O
runs	O
natively	O
on	O
Linux	B-Application
and	O
supports	O
very	O
high	O
resolutions	O
and	O
is	O
validated	O
by	O
AMD	O
to	O
support	O
their	O
Eyefinity	O
.	O
</s>
<s>
Civilization	B-Application
V	I-Application
is	O
another	O
example	O
,	O
it	O
even	O
runs	O
on	O
a	O
"	O
Kaveri	O
"	O
desktop	O
APU	O
in	O
3x1	O
portrait	O
mode	O
.	O
</s>
<s>
The	O
specifications	O
of	O
the	O
Mumble	B-Language
protocol	O
are	O
freely	O
available	O
and	O
there	O
are	O
BSD-licensed	O
implementations	O
for	O
both	O
servers	O
and	O
clients	O
.	O
</s>
<s>
The	O
positional	O
audio	O
API	B-Application
of	O
Mumble	B-Language
is	O
supported	O
by	O
e.g.	O
</s>
<s>
Cube	B-Application
2	I-Application
:	I-Application
Sauerbraten	I-Application
.	O
</s>
<s>
Wine	B-Application
is	O
a	O
compatibility	B-General_Concept
layer	I-General_Concept
that	O
provides	O
binary	O
compatibility	O
and	O
makes	O
it	O
possible	O
to	O
run	O
software	O
,	O
that	O
was	O
written	O
and	O
compiled	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
on	O
Linux	B-Application
.	O
</s>
<s>
The	O
Wine	B-Application
project	I-Application
hosts	O
a	O
user-submitted	O
application	O
database	O
(	O
known	O
as	O
Wine	B-Application
AppDB	I-Application
)	O
that	O
lists	O
programs	O
and	O
games	O
along	O
with	O
ratings	O
and	O
reviews	O
which	O
detail	O
how	O
well	O
they	O
run	O
with	O
Wine	B-Application
.	O
</s>
<s>
Wine	B-Application
AppDB	I-Application
also	O
has	O
a	O
commenting	O
system	O
,	O
which	O
often	O
includes	O
instructions	O
on	O
how	O
to	O
modify	O
a	O
system	O
to	O
run	O
a	O
certain	O
game	O
which	O
cannot	O
run	O
on	O
a	O
normal	O
or	O
default	O
configuration	O
.	O
</s>
<s>
The	O
use	O
of	O
Wine	B-Application
for	O
gaming	O
has	O
proved	O
controversial	O
in	O
the	O
Linux	B-Application
community	I-Application
as	O
some	O
feel	O
it	O
is	O
preventing	O
,	O
or	O
at	O
least	O
hindering	O
,	O
the	O
further	O
growth	O
of	O
native	O
gaming	O
on	O
the	O
platform	O
.	O
</s>
<s>
There	O
are	O
numerous	O
emulators	B-Application
for	O
Linux	B-Application
.	O
</s>
<s>
There	O
are	O
also	O
APIs	B-Application
,	O
virtual	B-Architecture
machines	I-Architecture
,	O
and	O
machine	O
emulators	B-Application
that	O
provide	O
binary	O
compatibility	O
:	O
</s>
<s>
Anbox	B-Application
and	O
Waydroid	O
for	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
;	O
</s>
<s>
Basilisk	B-Application
II	I-Application
for	O
the	O
68040	B-Device
Macintosh	B-Device
;	O
</s>
<s>
DOSBox	B-Application
and	O
DOSEMU	B-Application
for	O
MS-DOS/PC	O
DOS	B-Device
and	O
compatibles	O
;	O
</s>
<s>
DeSmuME	O
and	O
melonDS	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
;	O
</s>
<s>
Dolphin	B-Application
for	O
the	O
Nintendo	B-Application
GameCube	I-Application
,	O
Wii	B-Operating_System
,	O
and	O
the	O
Triforce	B-Device
;	O
</s>
<s>
FCEUX	B-Application
,	O
Nestopia	B-Application
and	O
TuxNES	O
for	O
the	O
Nintendo	O
Entertainment	O
System	O
;	O
</s>
<s>
Frotz	O
for	O
Z-Machine	O
text	O
adventures	O
;	O
</s>
<s>
Fuse	B-Language
for	O
the	O
Sinclair	O
ZX	O
Spectrum	O
;	O
</s>
<s>
Hatari	B-Application
for	O
the	O
Atari	B-Device
ST	I-Device
,	O
STe	O
,	O
TT	B-Device
and	O
Falcon	B-Device
;	O
</s>
<s>
gnuboy	O
for	O
the	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
and	O
Game	B-Device
Boy	I-Device
Color	O
;	O
</s>
<s>
MAME	B-Device
for	O
arcade	O
games	O
(	O
and	O
previously	O
MESS	B-Application
for	O
multiple	O
hardware	O
platforms	O
)	O
;	O
</s>
<s>
Mednafen	B-Language
and	O
Xe	O
emulating	B-Application
multiple	O
hardware	O
platforms	O
including	O
some	O
of	O
the	O
above	O
;	O
</s>
<s>
Mupen64Plus	B-Application
and	O
the	O
no	O
longer	O
actively	O
developed	O
original	O
Mupen64	B-Application
for	O
the	O
Nintendo	O
64	O
;	O
</s>
<s>
PCSX-Reloaded	B-Language
,	O
pSX	O
and	O
the	O
Linux	B-Application
port	O
of	O
ePSXe	B-Application
for	O
the	O
PlayStation	B-Device
;	O
</s>
<s>
Neko	O
Project	O
for	O
the	O
NEC	B-Operating_System
PC-9801	I-Operating_System
;	O
</s>
<s>
PCSX2	B-Application
for	O
the	O
PlayStation	B-Device
2	I-Device
;	O
</s>
<s>
PPSSPP	B-Language
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
;	O
</s>
<s>
ScummVM	B-Device
for	O
LucasArts	O
and	O
various	O
other	O
adventure	O
games	O
;	O
</s>
<s>
SheepShaver	B-Application
for	O
the	O
PowerPC	B-Architecture
Macintosh	B-Device
;	O
</s>
<s>
Snes9x	B-Operating_System
,	O
higan	B-Language
and	O
ZSNES	B-Language
for	O
the	O
Super	O
NES	O
;	O
</s>
<s>
Stella	B-Application
for	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
;	O
</s>
<s>
UAE	B-Device
for	O
the	O
Amiga	O
;	O
</s>
<s>
VisualBoyAdvance	B-Device
,	O
mGBA	O
and	O
Boycott	O
Advance	O
for	O
the	O
Game	B-Device
Boy	I-Device
Advance	O
;	O
</s>
<s>
Mini	B-Application
vMac	I-Application
and	O
the	O
no	O
longer	O
actively	O
developed	O
original	O
vMac	B-Application
for	O
the	O
680x0	O
Macintosh	B-Device
;	O
</s>
<s>
Linux	B-Application
has	O
been	O
ported	O
to	O
several	O
game	O
consoles	O
,	O
including	O
the	O
Xbox	O
,	O
PlayStation	B-Device
2	I-Device
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
GameCube	B-Application
,	O
and	O
Wii	B-Operating_System
which	O
allows	O
game	O
developers	O
without	O
an	O
expensive	O
game	O
development	B-Application
kit	I-Application
to	O
access	O
console	B-Application
hardware	O
.	O
</s>
<s>
Several	O
gaming	O
peripherals	B-Device
also	O
work	O
with	O
Linux	B-Application
.	O
</s>
<s>
There	O
are	O
different	O
game	O
engines	O
for	O
first-person	O
shooters	O
,	O
strategy	B-Application
video	I-Application
games	I-Application
,	O
etc	O
.	O
</s>
<s>
Game	O
engines	O
that	O
are	O
used	O
by	O
many	O
video	O
games	O
and	O
run	O
on	O
top	O
of	O
Linux	B-Application
include	O
:	O
</s>
<s>
There	O
are	O
many	O
free	B-License
and	I-License
open-source	I-License
video	O
games	O
as	O
well	O
as	O
commercially	O
distributed	O
proprietary	B-Application
video	O
games	O
that	O
run	O
natively	O
on	O
Linux	B-Application
.	O
</s>
<s>
Some	O
independent	O
companies	O
have	O
also	O
begun	O
porting	O
prominent	O
video	O
games	O
from	O
Microsoft	B-Application
Windows	I-Application
to	O
Linux	B-Application
.	O
</s>
<s>
A	O
few	O
original	O
open	B-Application
source	I-Application
video	I-Application
games	I-Application
have	O
attained	O
notability	O
:	O
</s>
<s>
0	B-Application
A.D.	I-Application
is	O
a	O
real-time	O
strategy	B-Application
game	I-Application
of	O
ancient	O
warfare	O
,	O
similar	O
to	O
Age	B-Application
of	I-Application
Empires	I-Application
.	O
</s>
<s>
AssaultCube	B-Application
is	O
a	O
first-person	O
shooter	O
.	O
</s>
<s>
AstroMenace	B-Application
is	O
a	O
3D	O
scroll-shooter	O
.	O
</s>
<s>
BZFlag	B-Language
is	O
a	O
3D	O
First	O
person	O
tank	O
shooter	O
(	O
With	O
jumping	O
)	O
.	O
</s>
<s>
Battle	B-Application
for	I-Application
Wesnoth	I-Application
is	O
a	O
turn-based	O
strategy	B-Application
game	I-Application
.	O
</s>
<s>
Chromium	B-Language
B.S.U.	I-Language
</s>
<s>
CodeRED	B-Application
:	I-Application
Alien	I-Application
Arena	I-Application
is	O
a	O
sci-fi	O
first-person	O
shooter	O
derived	O
from	O
the	O
Quake	B-Application
II	I-Application
engine	O
.	O
</s>
<s>
Crimson	B-Application
Fields	I-Application
is	O
a	O
turn-based	O
tactical	O
wargame	O
.	O
</s>
<s>
Cube	B-Application
2	I-Application
:	I-Application
Sauerbraten	I-Application
is	O
a	O
3D	O
first-person	O
shooter	O
with	O
an	O
integrated	O
map	O
editing	O
mode	O
.	O
</s>
<s>
Danger	B-Application
from	I-Application
the	I-Application
Deep	I-Application
is	O
a	O
submarine	O
simulator	O
set	O
in	O
World	O
War	O
II	O
.	O
</s>
<s>
Glest	B-Language
is	O
a	O
real-time	O
strategy	B-Application
game	I-Application
,	O
with	O
optional	O
multiplayer	O
.	O
</s>
<s>
NetHack	B-Application
and	O
Angband	B-Application
are	O
text-based	O
computer	O
role-playing	O
games	O
.	O
</s>
<s>
Netrek	B-Application
is	O
a	O
Star	B-Operating_System
Trek	I-Operating_System
themed	O
multiplayer	O
2D	O
space	O
battle	O
game	O
.	O
</s>
<s>
Nexuiz	B-Application
is	O
a	O
first-person	O
shooter	O
.	O
</s>
<s>
Although	O
,	O
this	O
has	O
been	O
replaced	O
by	O
Xonotic	B-Application
.	O
</s>
<s>
Project	B-Application
:	I-Application
Starfighter	I-Application
a	O
multi-directional	O
,	O
objective	O
based	O
shoot-em-up	O
.	O
</s>
<s>
TORCS	B-Application
(	O
The	O
Open	O
Racing	O
Car	O
Simulator	O
)	O
–	O
considered	O
one	O
of	O
the	O
best	O
open-source	B-Application
racing	O
simulators	O
,	O
with	O
realistic	O
graphics	O
and	O
vehicle	O
handling	O
.	O
</s>
<s>
Tremulous	B-Application
is	O
a	O
3D	O
first-person	O
shooter/real	O
-time	O
strategy	B-Application
game	I-Application
.	O
</s>
<s>
Tux	B-Application
Racer	I-Application
is	O
a	O
3D	O
racing	O
game	O
featuring	O
Tux	B-Application
.	O
</s>
<s>
Urban	B-Application
Terror	I-Application
is	O
a	O
standalone	O
Quake	B-Application
III	I-Application
Arena	I-Application
first-person	O
shooter	O
.	O
</s>
<s>
(	O
Proprietary	B-Application
mod	O
)	O
.	O
</s>
<s>
Vega	B-Application
Strike	I-Application
is	O
a	O
space	O
flight	O
simulation	O
.	O
</s>
<s>
Warsow	B-Application
is	O
a	O
Quake-like	O
,	O
fast-paced	O
first-person	O
shooter	O
.	O
</s>
<s>
There	O
are	O
a	O
larger	O
number	O
of	O
open	B-Application
source	I-Application
clones	O
and	O
remakes	O
of	O
classic	O
games	O
:	O
</s>
<s>
FreeCiv	B-Application
is	O
a	O
clone	O
of	O
Civilization	B-Application
II	I-Application
.	O
</s>
<s>
FreeOrion	B-Application
is	O
inspired	O
by	O
Master	B-Application
of	I-Application
Orion	I-Application
.	O
</s>
<s>
Frets	B-Application
on	I-Application
Fire	I-Application
is	O
a	O
clone	O
of	O
Guitar	B-Application
Hero	I-Application
.	O
</s>
<s>
Frozen	B-Language
Bubble	I-Language
is	O
a	O
clone	O
of	O
Puzzle	B-Application
Bobble	I-Application
.	O
</s>
<s>
Grid	B-Application
Wars	I-Application
is	O
a	O
clone	O
of	O
Geometry	O
Wars	O
.	O
</s>
<s>
Head	B-Application
Over	I-Application
Heels	I-Application
,	O
a	O
ZX-Spectrum	O
action	O
platformer	O
,	O
was	O
remade	O
for	O
Linux	B-Application
,	O
Windows	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
BeOS	O
.	O
</s>
<s>
Oolite	B-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
remake	O
of	O
Elite	B-Application
.	O
</s>
<s>
OpenClonk	B-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
remake	O
of	O
Clonk	B-Application
.	O
</s>
<s>
OpenTTD	B-Application
is	O
a	O
remake	O
of	O
Transport	O
Tycoon	O
Deluxe	O
.	O
</s>
<s>
OpenMW	B-Application
game	O
engine	O
reimplementation	O
of	O
Morrowind	B-Application
.	O
</s>
<s>
Performous	O
is	O
a	O
remix	O
of	O
the	O
ideas	O
behind	O
Guitar	B-Application
Hero	I-Application
,	O
SingStar	B-Device
and	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
.	O
</s>
<s>
Pingus	B-Application
is	O
a	O
clone	O
of	O
Lemmings	B-Application
.	O
</s>
<s>
Scorched	B-Language
3D	I-Language
is	O
a	O
3D	O
adaptation	O
of	O
Scorched	B-Application
Earth	I-Application
.	O
</s>
<s>
Spring	B-Application
originally	O
is	O
a	O
clone	O
of	O
Total	B-Application
Annihilation	I-Application
,	O
but	O
actually	O
is	O
a	O
platform	O
for	O
real	O
time	O
strategy	B-Application
games	I-Application
.	O
</s>
<s>
SuperTuxKart	B-Application
and	O
TuxKart	B-Application
are	O
clones	O
of	O
Mario	B-Application
Kart	I-Application
.	O
</s>
<s>
SuperTux	B-Application
and	O
Secret	B-Application
Maryo	I-Application
Chronicles	I-Application
are	O
both	O
clones	O
of	O
Super	B-Application
Mario	I-Application
Bros	I-Application
.	I-Application
</s>
<s>
The	O
Zod	O
Engine	O
is	O
an	O
actively	O
developed	O
open	B-Application
source	I-Application
remake	O
of	O
the	O
game	O
Z	B-Application
.	O
</s>
<s>
UFO	B-Application
:	I-Application
Alien	I-Application
Invasion	I-Application
is	O
heavily	O
influenced	O
by	O
the	O
X-COM	B-Application
series	O
,	O
mostly	O
by	O
UFO	B-Application
:	I-Application
Enemy	I-Application
Unknown	I-Application
.	O
</s>
<s>
Warzone	B-Application
2100	I-Application
is	O
a	O
real-time	O
strategy	O
and	O
real-time	O
tactics	O
hybrid	O
computer	O
game	O
.	O
</s>
<s>
Originally	O
published	O
by	O
Eidos	O
Interactive	O
and	O
later	O
released	O
as	O
open	B-Application
source	I-Application
.	O
</s>
<s>
Widelands	B-Language
is	O
a	O
clone	O
of	O
The	B-Application
Settlers	I-Application
II	I-Application
.	O
</s>
<s>
Bill	B-Language
Kendrick	I-Language
has	O
developed	O
many	O
free	B-Application
software	I-Application
games	I-Application
,	O
most	O
inspired	O
by	O
games	O
for	O
the	O
Atari	B-Device
8-bit	I-Device
and	O
other	O
classic	O
systems	O
.	O
</s>
<s>
Valve	O
officially	O
released	O
Steam	B-Application
for	O
Linux	B-Application
on	O
February	O
14	O
,	O
2013	O
.	O
the	O
number	O
of	O
Linux-compatible	O
games	O
on	O
Steam	B-Application
exceeds	O
6,500	O
.	O
</s>
<s>
With	O
the	O
launch	O
of	O
SteamOS	B-Application
,	O
a	O
distribution	O
of	O
Linux	B-Application
made	O
by	O
Valve	O
intended	O
to	O
be	O
used	O
for	O
HTPC	O
gaming	O
,	O
that	O
number	O
is	O
quickly	O
growing	O
.	O
</s>
<s>
Listed	O
below	O
are	O
some	O
notable	O
games	O
available	O
on	O
Steam	B-Application
for	O
Linux	B-Application
:	O
</s>
<s>
Borderlands	B-Application
:	I-Application
The	I-Application
Pre-Sequel	I-Application
!	I-Application
</s>
<s>
Independent	O
developer	O
2D	B-Application
Boy	I-Application
released	O
World	B-Application
of	I-Application
Goo	I-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Role-playing	O
video	O
game	O
titles	O
like	O
Eschalon	B-Application
:	I-Application
Book	I-Application
I	I-Application
,	O
Eschalon	B-Application
:	I-Application
Book	I-Application
II	I-Application
and	O
Penny	B-Application
Arcade	I-Application
Adventures	I-Application
:	I-Application
On	I-Application
the	I-Application
Rain-Slick	I-Application
Precipice	I-Application
of	I-Application
Darkness	I-Application
were	O
developed	O
cross-platform	B-Operating_System
from	O
the	O
start	O
of	O
development	O
,	O
including	O
a	O
Linux	B-Application
version	O
.	O
</s>
<s>
Sillysoft	O
released	O
Linux	B-Application
versions	O
of	O
their	O
game	O
Lux	B-Operating_System
and	O
its	O
various	O
versions	O
,	O
as	O
did	O
My	O
Game	O
Company	O
and	O
its	O
Dirk	O
Dashing	O
series	O
.	O
</s>
<s>
Devolver	O
Digital	O
has	O
released	O
a	O
number	O
of	O
indie	O
games	B-Application
for	I-Application
Linux	I-Application
,	O
including	O
Hotline	B-Application
Miami	I-Application
,	O
Hatoful	B-Application
Boyfriend	I-Application
,	O
Minit	B-Application
,	O
Ruiner	B-Application
,	O
Reigns	B-Application
,	O
OlliOlli	B-Application
,	O
Carrion	B-Application
and	O
Broforce	B-Device
.	O
</s>
<s>
Vlambeer	O
has	O
released	O
Luftrausers	B-Application
and	O
Nuclear	B-Application
Throne	I-Application
.	O
</s>
<s>
Hemisphere	O
Games	O
has	O
released	O
a	O
Linux	B-Application
version	O
of	O
Osmos	B-Application
.	O
</s>
<s>
Koonsolo	O
has	O
released	O
a	O
Linux	B-Application
version	O
of	O
Mystic	O
Mine	O
.	O
</s>
<s>
Amanita	O
Design	O
released	O
Linux	B-Application
versions	O
of	O
Machinarium	B-Application
and	O
Samorost	B-Application
2	I-Application
.	O
</s>
<s>
Irrgheist	O
released	O
a	O
Linux	B-Application
version	O
of	O
their	O
futuristic	O
racing	O
game	O
H-Craft	B-Application
Championship	I-Application
before	O
later	O
releasing	O
the	O
source	B-Application
code	O
.	O
</s>
<s>
Gamerizon	O
released	O
a	O
Linux	B-Application
version	O
of	O
QuantZ	B-Application
.	O
</s>
<s>
InterAction	O
Studios	O
ported	O
several	O
titles	O
mostly	O
in	O
the	O
Chicken	B-Application
Invaders	I-Application
series	O
.	O
</s>
<s>
GridWars	B-Application
was	O
released	O
for	O
Linux	B-Application
by	O
Canadian	O
developer	O
Marco	O
Inciti	O
.	O
</s>
<s>
Young	B-Application
Horses	I-Application
released	O
Octodad	B-Application
:	I-Application
Dadliest	I-Application
Catch	I-Application
,	O
Studio	O
Pixel	O
released	O
Cave	B-Application
Story	I-Application
,	O
Number	O
None	O
released	O
Braid	B-Application
,	O
Subset	O
Studios	O
released	O
FTL	B-Application
:	I-Application
Faster	I-Application
Than	I-Application
Light	I-Application
,	O
The	B-Language
Indie	I-Language
Stone	I-Language
released	O
Project	B-Language
Zomboid	I-Language
,	O
Vblank	O
Entertainment	O
released	O
Retro	B-Application
City	I-Application
Rampage	I-Application
,	O
Bit	O
Kid	O
released	O
Chasm	B-Application
,	O
Rocketcat	O
Games	O
released	O
Death	B-Application
Road	I-Application
to	I-Application
Canada	I-Application
,	O
Ape	O
Marina	O
released	O
Tales	B-Application
,	O
HuniePot	O
released	O
HuniePop	B-Application
,	O
Toby	O
Fox	O
has	O
released	O
Undertale	B-Application
,	O
ConcernedApe	O
has	O
released	O
Stardew	B-Device
Valley	I-Device
,	O
Skookum	B-Application
Arts	I-Application
released	O
The	B-Application
Pedestrian	I-Application
,	O
and	O
Data	O
Realms	O
released	O
Cortex	B-Application
Command	I-Application
.	O
</s>
<s>
Yacht	O
Club	O
Games	O
has	O
released	O
Shovel	B-Application
Knight	I-Application
and	O
Mina	B-Application
the	I-Application
Hollower	I-Application
.	O
</s>
<s>
Drinkbox	O
Studios	O
released	O
Tales	B-Application
from	I-Application
Space	I-Application
:	I-Application
Mutant	I-Application
Blobs	I-Application
Attack	I-Application
and	O
Guacamelee	B-Application
!	I-Application
.	O
</s>
<s>
Edmund	O
McMillen	O
has	O
released	O
Super	B-Application
Meat	I-Application
Boy	I-Application
,	O
The	B-Application
Binding	I-Application
of	I-Application
Isaac	I-Application
,	O
and	O
The	B-Application
End	I-Application
is	I-Application
Nigh	I-Application
.	O
</s>
<s>
Kristanix	O
Games	O
released	O
Linux	B-Application
versions	O
of	O
Crossword	O
Twist	O
,	O
Fantastic	O
Farm	O
,	O
Guess	O
The	O
Phrase	O
!,	O
Jewel	O
Twist	O
,	O
Kakuro	O
Epic	O
,	O
Mahjong	B-Application
Epic	O
,	O
Maxi	O
Dice	O
,	O
Solitaire	O
Epic	O
,	O
Sudoku	O
Epic	O
,	O
and	O
Theseus	B-Application
and	I-Application
the	I-Application
Minotaur	I-Application
.	O
</s>
<s>
Anawiki	O
Games	O
released	O
Linux	B-Application
versions	O
of	O
Path	O
of	O
Magic	O
,	O
Runes	O
of	O
Avalon	O
,	O
Runes	O
of	O
Avalon	O
2	O
,	O
Soccer	O
Cup	O
Solitaire	O
,	O
The	O
Perfect	O
Tree	O
and	O
Dress-Up	O
Pups	O
.	O
</s>
<s>
Gaslamp	O
Games	O
released	O
a	O
Linux	B-Application
version	O
of	O
Dungeons	B-Application
of	I-Application
Dredmor	I-Application
.	O
</s>
<s>
Broken	B-Application
Rules	I-Application
released	O
a	O
Linux	B-Application
version	O
of	O
And	B-Application
Yet	I-Application
It	I-Application
Moves	I-Application
.	O
</s>
<s>
Klei	O
Entertainment	O
have	O
released	O
Shank	B-Application
,	O
Mark	B-Application
of	I-Application
the	I-Application
Ninja	I-Application
,	O
Do	B-Application
n't	I-Application
Starve	I-Application
and	O
more	O
.	O
</s>
<s>
Tomorrow	O
Corporation	O
has	O
released	O
Little	B-Application
Inferno	I-Application
,	O
Human	B-Application
Resource	I-Application
Machine	I-Application
and	O
7	B-Operating_System
Billion	I-Operating_System
Humans	I-Operating_System
.	O
</s>
<s>
Alientrap	O
released	O
Nexuiz	B-Application
,	O
Capsized	B-Operating_System
,	O
Apotheon	B-Application
,	O
and	O
Cryptark	B-Application
.	O
</s>
<s>
Freebird	O
Games	O
has	O
released	O
To	B-Application
the	I-Application
Moon	I-Application
,	O
A	B-Application
Bird	I-Application
Story	I-Application
,	O
Finding	B-Application
Paradise	I-Application
and	O
Impostor	B-Application
Factory	I-Application
.	O
</s>
<s>
17-Bit	O
released	O
Skulls	B-Application
of	I-Application
the	I-Application
Shogun	I-Application
and	O
Galak-Z	B-Device
:	I-Device
The	I-Device
Dimensional	I-Device
.	O
</s>
<s>
Frictional	O
Games	O
released	O
Linux	B-Application
versions	O
of	O
both	O
Penumbra	B-Application
:	I-Application
Black	I-Application
Plague	I-Application
and	O
Penumbra	B-Application
:	I-Application
Overture	I-Application
,	O
as	O
well	O
as	O
the	O
expansion	O
pack	O
Penumbra	B-Application
:	I-Application
Requiem	I-Application
.	O
</s>
<s>
They	O
also	O
released	O
Amnesia	B-Application
:	I-Application
The	I-Application
Dark	I-Application
Descent	I-Application
for	O
Linux	B-Application
simultaneously	O
with	O
the	O
Windows	B-Application
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
versions	O
,	O
a	O
practice	O
they	O
have	O
since	O
continued	O
.	O
</s>
<s>
S2	O
Games	O
released	O
Linux	B-Application
clients	O
for	O
their	O
titles	O
Savage	B-Application
:	I-Application
The	I-Application
Battle	I-Application
for	I-Application
Newerth	I-Application
,	O
Savage	B-Application
2	I-Application
:	I-Application
A	I-Application
Tortured	I-Application
Soul	I-Application
and	O
Heroes	B-Application
of	I-Application
Newerth	I-Application
.	O
</s>
<s>
Wolfire	O
Games	O
released	O
a	O
Linux	B-Application
version	O
of	O
their	O
game	O
Lugaru	B-Application
and	O
supported	O
its	O
sequel	O
Overgrowth	B-Application
on	O
Linux	B-Application
;	O
David	O
Rosen	O
's	O
earlier	O
Black	B-Operating_System
Shades	I-Operating_System
was	O
also	O
ported	O
to	O
Linux	B-Application
via	O
released	O
source	B-Application
code	O
.	O
</s>
<s>
Arctic	O
Paint	O
released	O
a	O
Linux	B-Application
version	O
of	O
Number	O
Drill	O
.	O
</s>
<s>
Charlie	O
's	O
Games	O
has	O
released	O
a	O
Linux	B-Application
version	O
of	O
Bullet	O
Candy	O
Perfect	O
,	O
Irukandji	O
,	O
Space	O
Phallus	O
and	O
Scoregasm	O
.	O
</s>
<s>
Spiderweb	O
Software	O
has	O
released	O
Blades	B-Application
of	I-Application
Exile	I-Application
and	O
Avadon	B-Application
:	I-Application
The	I-Application
Black	I-Application
Fortress	I-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Illwinter	O
Game	O
Design	O
released	O
Conquest	B-Application
of	I-Application
Elysium	I-Application
II	I-Application
,	O
Dominions	B-Application
:	I-Application
Priests	I-Application
,	I-Application
Prophets	I-Application
and	I-Application
Pretenders	I-Application
,	O
Dominions	B-Application
II	I-Application
:	I-Application
The	I-Application
Ascension	I-Application
Wars	I-Application
,	O
and	O
Dominions	B-Application
3	I-Application
:	I-Application
The	I-Application
Awakening	I-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Introversion	O
Software	O
released	O
Darwinia	B-Application
,	O
Uplink	B-Application
,	O
and	O
DEFCON	B-Application
.	O
</s>
<s>
Cartesian	O
Theatre	O
is	O
a	O
Vancouver	O
,	O
British	O
Columbia	O
,	O
Canada	O
,	O
based	O
software	O
house	O
specializing	O
in	O
free	O
,	O
commercial	O
,	O
games	B-Application
for	I-Application
Linux	I-Application
,	O
most	O
notably	O
Avaneya	O
.	O
</s>
<s>
Kot-in-Action	O
Creative	O
Artel	O
released	O
their	O
Steel	B-Application
Storm	I-Application
games	B-Application
for	I-Application
Linux	I-Application
.	O
</s>
<s>
Hazardous	O
Software	O
have	O
released	O
their	O
game	O
Achron	B-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Harebrained	O
Schemes	O
has	O
released	O
Shadowrun	B-Application
Returns	I-Application
,	O
Shadowrun	B-Application
:	I-Application
Dragonfall	I-Application
,	O
Shadowrun	B-Application
:	I-Application
Hong	I-Application
Kong	I-Application
,	O
and	O
BattleTech	B-Application
.	O
</s>
<s>
UNIGINE	B-Application
Company	O
developed	O
Oil	B-Device
Rush	I-Device
using	O
its	O
Unigine	B-Application
engine	O
technology	O
that	O
works	O
on	O
Linux	B-Application
.	O
</s>
<s>
Unigine	B-Application
Corp	O
was	O
also	O
developing	O
a	O
"	O
shooter-type	O
game	O
"	O
that	O
would	O
have	O
been	O
released	O
for	O
Linux	B-Application
,	O
but	O
development	O
was	O
later	O
frozen	O
while	O
OilRush	B-Device
developed	O
.	O
</s>
<s>
The	O
MMORPG	O
game	O
Syndicates	O
of	O
Arkon	O
was	O
also	O
supposed	O
to	O
come	O
to	O
Linux	B-Application
.	O
</s>
<s>
The	O
game	O
Dilogus	O
:	O
The	O
Winds	O
of	O
War	O
was	O
also	O
being	O
developed	O
with	O
Unigine	B-Application
and	O
was	O
planned	O
to	O
have	O
a	O
Linux	B-Application
client	O
.	O
</s>
<s>
Cradle	B-Application
was	O
released	O
for	O
Linux	B-Application
in	O
2015	O
,	O
as	O
was	O
Sumoman	O
in	O
2017	O
.	O
</s>
<s>
A	O
number	O
of	O
visual	O
novel	O
developers	O
support	O
Linux	B-Application
.	O
</s>
<s>
Winter	O
Wolves	O
released	O
titles	O
such	O
as	O
Spirited	O
Heart	O
,	O
Heileen	B-Application
,	O
The	B-Application
Flower	I-Application
Shop	I-Application
,	O
Bionic	B-Application
Heart	O
,	O
Card	O
Sweethearts	O
,	O
Vera	O
Blanc	O
,	O
Planet	B-Application
Stronghold	I-Application
,	O
and	O
Loren	B-Application
The	I-Application
Amazon	I-Application
Princess	I-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Hanako	O
Games	O
released	O
Science	O
Girls	O
,	O
Summer	O
Session	O
,	O
Date	B-Application
Warp	I-Application
,	O
Cute	B-Application
Knight	I-Application
Kingdom	I-Application
,	O
and	O
were	O
considering	O
porting	O
Fatal	B-Application
Hearts	I-Application
to	O
Linux	B-Application
.	O
</s>
<s>
sakevisual	O
brought	O
Jisei	O
,	O
Kansei	O
,	O
Yousei	O
,	O
RE	B-Application
:	I-Application
Alistair	I-Application
and	O
Ripples	O
to	O
Linux	B-Application
.	O
</s>
<s>
Four	B-Application
Leaf	I-Application
Studios	I-Application
also	O
released	O
Katawa	B-Application
Shoujo	I-Application
for	O
Linux	B-Application
and	O
Christine	O
Love	O
released	O
Digital	B-Application
:	I-Application
A	I-Application
Love	I-Application
Story	I-Application
,	O
both	O
of	O
which	O
,	O
along	O
with	O
Summer	O
Session	O
mentioned	O
previously	O
,	O
are	O
powered	O
by	O
the	O
free	B-Application
software	I-Application
Ren'Py	B-Language
game	O
engine	O
.	O
</s>
<s>
The	O
Java-based	O
sandbox	O
game	O
Minecraft	B-Application
by	O
then	O
indie	O
developer	O
Mojang	O
is	O
available	O
on	O
Linux	B-Application
,	O
as	O
are	O
any	O
other	O
video	O
games	O
compiled	O
for	O
the	O
Java	B-Language
virtual	I-Language
machine	I-Language
.	O
</s>
<s>
Linux	B-Application
support	O
was	O
maintained	O
even	O
following	O
Mojang	O
's	O
purchase	O
by	O
Microsoft	O
in	O
November	O
2014	O
.	O
</s>
<s>
Dwarf	B-Application
Fortress	I-Application
,	O
a	O
sandbox	O
management	O
simulator	O
/	O
roguelike	O
,	O
has	O
been	O
made	O
available	O
for	O
Linux	B-Application
by	O
Tarn	O
Adams	O
.	O
</s>
<s>
The	O
voxel-based	O
space	O
sandbox	O
game	O
,	O
ScrumbleShip	O
by	O
indie	O
developer	O
Dirkson	O
was	O
under	O
development	O
for	O
Linux	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
Windows	B-Application
.	O
</s>
<s>
The	O
realistic	O
replay	O
baseball	O
simulation	O
Out	B-Application
of	I-Application
the	I-Application
Park	I-Application
Baseball	I-Application
by	O
OOTP	O
Developments	O
was	O
made	O
available	O
for	O
Linux	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
Windows	B-Application
,	O
for	O
single	O
player	O
and	O
multiplayer	O
online	O
leagues	O
.	O
</s>
<s>
Grappling	B-Application
Hook	I-Application
,	O
a	O
first-shooter	O
like	O
puzzle	O
game	O
using	O
the	O
jMonkeyEngine	B-Application
,	O
was	O
released	O
by	O
Christian	O
Teister	O
.	O
</s>
<s>
David	O
Pittman	O
released	O
his	O
game	O
Eldritch	B-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Big	O
Robot	O
released	O
Sir	B-Application
,	I-Application
You	I-Application
Are	I-Application
Being	I-Application
Hunted	I-Application
and	O
The	B-Application
Signal	I-Application
From	I-Application
Tölva	I-Application
.	O
</s>
<s>
Superhot	B-Application
Team	I-Application
released	O
Superhot	B-Application
.	O
</s>
<s>
New	O
Blood	B-Application
Interactive	O
has	O
released	O
Dusk	B-Application
and	O
Ultrakill	B-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Sorath	O
released	O
Devil	B-Application
Daggers	I-Application
,	O
Free	O
Lives	O
released	O
the	O
prototype	O
of	O
Anger	O
Foot	O
,	O
and	O
Samurai	O
Punk	O
released	O
Screencheat	B-Application
.	O
</s>
<s>
Pine	O
Studio	O
released	O
SEUM	B-Application
:	I-Application
Speedrunners	I-Application
from	I-Application
Hell	I-Application
and	O
Quicktequila	O
released	O
Lovely	B-Application
Planet	I-Application
.	O
</s>
<s>
Milkstone	O
Studios	O
has	O
released	O
the	O
first-person	O
shooter	O
roguelike	O
Ziggurat	B-Application
for	O
Linux	B-Application
,	O
while	O
Crema	O
released	O
Immortal	O
Redneck	O
,	O
Terrible	O
Posture	O
Games	O
released	O
Tower	B-Application
of	I-Application
Guns	I-Application
,	O
Terri	B-Application
Vellmann	I-Application
released	O
Heavy	B-Application
Bullets	I-Application
,	O
Pixel	B-Application
Titans	I-Application
released	O
Strafe	B-Application
,	O
and	O
Code	O
Avarice	O
released	O
Paranautical	B-Application
Activity	I-Application
.	O
</s>
<s>
Magellanic	O
Games	O
has	O
released	O
Office	O
Point	O
Rescue	O
and	O
Affliction	O
Rescue	O
based	O
on	O
the	O
Godot	B-Application
engine	I-Application
.	O
</s>
<s>
Pillow	O
Castle	O
Games	O
released	O
Superliminal	B-Device
,	O
Gone	O
North	O
Games	O
released	O
A	B-Application
Story	I-Application
About	I-Application
My	I-Application
Uncle	I-Application
,	O
and	O
Manekoware	O
with	O
Fire	O
Hose	O
Games	O
released	O
Catlateral	B-Application
Damage	I-Application
.	O
</s>
<s>
Incandescent	B-Application
Imaging	I-Application
released	O
Caffeine	B-Application
,	O
Bloober	O
Team	O
released	O
Layers	B-Application
of	I-Application
Fear	I-Application
,	O
Red	B-Language
Barrels	O
released	O
Outlast	B-Application
,	O
Saibot	O
Studios	O
released	O
Doorways	O
,	O
Camel	O
101	O
and	O
Bigmoon	O
Entertainment	O
released	O
Syndrome	B-Application
,	O
Adam	O
Pype	O
released	O
No	B-Application
Players	I-Application
Online	I-Application
,	O
Arbitrary	B-Application
Metric	I-Application
released	O
Paratopic	B-Application
,	O
Mystman12	B-Application
released	O
Baldi	B-Application
's	I-Application
Basics	I-Application
in	I-Application
Education	I-Application
and	I-Application
Learning	I-Application
,	O
and	O
Kindly	O
Beast	O
released	O
Bendy	B-Application
and	I-Application
the	I-Application
Ink	I-Application
Machine	I-Application
.	O
</s>
<s>
The	O
German	O
indie-studio	O
Pixel	O
Maniacs	O
released	O
both	O
of	O
their	O
games	O
,	O
ChromaGun	B-Application
and	O
Ca	O
n't	O
Drive	O
This	O
for	O
Linux	B-Application
.	O
</s>
<s>
In	O
the	O
walking	O
simulator	O
space	O
,	O
Dan	O
Ruscoe	O
's	O
Dark	O
Hill	O
Museum	O
of	O
Death	O
is	O
available	O
for	O
Linux	B-Application
,	O
as	O
well	O
as	O
the	O
better	O
known	O
Gone	B-Application
Home	I-Application
,	O
The	B-Application
Stanley	I-Application
Parable	I-Application
,	O
Jazzpunk	B-Application
,	O
Firewatch	B-Application
and	O
Proteus	B-Application
.	O
</s>
<s>
Blendo	O
Games	O
has	O
released	O
their	O
games	O
,	O
including	O
Gravity	B-Application
Bone	I-Application
,	O
Thirty	B-Application
Flights	I-Application
of	I-Application
Loving	I-Application
and	O
Quadrilateral	B-Application
Cowboy	I-Application
built	O
on	O
the	O
open	B-Application
source	I-Application
id	B-Application
Tech	I-Application
code	O
,	O
for	O
Linux	B-Application
.	O
</s>
<s>
Some	O
id	O
Software	O
employees	O
ported	O
the	O
Doom	B-Application
series	I-Application
,	O
the	O
Quake	B-Application
series	O
,	O
Return	B-Application
to	I-Application
Castle	I-Application
Wolfenstein	I-Application
,	O
Wolfenstein	B-Application
:	I-Application
Enemy	I-Application
Territory	I-Application
and	O
Enemy	B-Application
Territory	I-Application
:	I-Application
Quake	I-Application
Wars	I-Application
.	O
</s>
<s>
Some	O
games	O
published	O
by	O
GarageGames	O
which	O
have	O
Linux	B-Application
versions	O
include	O
Bridge	O
Builder	O
,	O
Marble	B-Application
Blast	I-Application
Gold	I-Application
,	O
Gish	B-Application
,	O
Tribal	B-Application
Trouble	I-Application
,	O
and	O
Dark	O
Horizons	O
:	O
Lore	O
Invasion	O
.	O
</s>
<s>
MP	O
Entertainment	O
released	O
Hopkins	B-Application
FBI	I-Application
and	O
Crack	O
dot	O
com	O
released	O
Abuse	B-Application
for	O
Linux	B-Application
,	O
becoming	O
one	O
of	O
the	O
first	O
developers	O
to	O
release	O
a	O
native	O
port	O
.	O
</s>
<s>
Inner	B-Application
Worlds	I-Application
,	O
another	O
early	O
commercial	O
Linux	B-Application
title	O
,	O
was	O
released	O
for	O
and	O
developed	O
on	O
Linux	B-Application
.	O
</s>
<s>
Philos	O
Laboratories	O
released	O
a	O
Linux	B-Application
version	O
of	O
Theocracy	B-Application
on	O
the	O
retail	O
disk	O
.	O
</s>
<s>
Absolutist	O
has	O
supported	O
Linux	B-Application
for	O
a	O
number	O
of	O
years	O
.	O
</s>
<s>
GLAMUS	O
GmbH	O
released	O
a	O
Linux	B-Application
version	O
of	O
their	O
game	O
Mobility	B-Application
.	O
</s>
<s>
Vicarious	O
Visions	O
ported	O
the	O
space-flight	O
game	O
Terminus	O
to	O
Linux	B-Application
.	O
</s>
<s>
Mountain	O
King	O
Studios	O
released	O
a	O
port	O
of	O
Raptor	B-Application
:	I-Application
Call	I-Application
of	I-Application
the	I-Application
Shadows	I-Application
.	O
</s>
<s>
Lava	O
Lord	O
Games	O
released	O
their	O
game	O
Astro	B-Application
Battle	I-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Xatrix	O
Entertainment	O
released	O
a	O
Linux	B-Application
version	O
of	O
Kingpin	B-Application
:	I-Application
Life	I-Application
of	I-Application
Crime	I-Application
.	O
</s>
<s>
BioWare	O
released	O
Neverwinter	B-Application
Nights	I-Application
for	O
Linux	B-Application
.	O
</s>
<s>
Croteam	O
released	O
the	O
Serious	B-Device
Sam	I-Device
series	O
,	O
with	O
the	O
first	O
game	O
ported	O
by	O
Gordon	O
and	O
with	O
the	O
second	O
self-ported	O
.	O
</s>
<s>
Gordon	O
also	O
ported	O
Epic	O
Games	O
 '	O
shooter	O
games	O
Unreal	B-Application
Tournament	I-Application
2003	I-Application
and	O
Unreal	B-Application
Tournament	I-Application
2004	I-Application
.	O
</s>
<s>
Revolution	O
System	O
Games	O
released	O
their	O
game	O
Decadence	O
:	O
Home	O
Sweet	O
Home	O
through	O
Steam	B-Application
only	O
for	O
Linux	B-Application
for	O
a	O
period	O
of	O
time	O
after	O
Mac	O
or	O
windows	B-Application
release	O
.	O
</s>
<s>
Some	O
companies	O
ported	O
games	O
to	O
Linux	B-Application
running	O
on	O
instruction	B-General_Concept
sets	I-General_Concept
other	O
than	O
x86	O
,	O
such	O
as	O
Alpha	B-Device
,	O
PowerPC	B-Architecture
,	O
Sparc	B-Architecture
,	O
MIPS	O
or	O
ARM	O
.	O
</s>
<s>
Loki	O
Entertainment	O
Software	O
ported	O
Civilization	B-Application
:	I-Application
Call	I-Application
to	I-Application
Power	I-Application
,	O
Eric	B-Operating_System
's	I-Operating_System
Ultimate	I-Operating_System
Solitaire	I-Operating_System
,	O
Heroes	B-Application
of	I-Application
Might	I-Application
and	I-Application
Magic	I-Application
III	I-Application
,	O
Myth	B-Application
II	I-Application
:	I-Application
Soulblighter	I-Application
,	O
Railroad	O
Tycoon	O
II	O
Gold	O
Edition	O
and	O
Sid	B-Application
Meier	I-Application
's	I-Application
Alpha	I-Application
Centauri	I-Application
with	O
Alien	B-Application
Crossfire	I-Application
expansion	O
pack	O
to	O
Linux	B-Application
PowerPC	B-Architecture
.	O
</s>
<s>
They	O
also	O
ported	O
Civilization	B-Application
:	I-Application
Call	I-Application
to	I-Application
Power	I-Application
,	O
Eric	B-Operating_System
's	I-Operating_System
Ultimate	I-Operating_System
Solitaire	I-Operating_System
,	O
Sid	B-Application
Meier	I-Application
's	I-Application
Alpha	I-Application
Centauri	I-Application
with	O
Alien	B-Application
Crossfire	I-Application
expansion	O
pack	O
to	O
Linux	B-Application
Alpha	B-Device
and	O
Civilization	B-Application
:	I-Application
Call	I-Application
to	I-Application
Power	I-Application
,	O
Eric	B-Operating_System
's	I-Operating_System
Ultimate	I-Operating_System
Solitaire	I-Operating_System
to	O
Linux	B-Application
SPARC	B-Architecture
.	O
</s>
<s>
Linux	B-Application
Game	I-Application
Publishing	O
published	O
Candy	O
Cruncher	O
,	O
Majesty	B-Application
Gold	I-Application
,	O
NingPo	O
MahJong	B-Application
and	O
Soul	O
Ride	O
to	O
Linux	B-Application
PowerPC	B-Architecture
.	O
</s>
<s>
They	O
also	O
ported	O
Candy	O
Cruncher	O
,	O
Soul	O
Ride	O
to	O
Linux	B-Application
SPARC	B-Architecture
and	O
Soul	O
Ride	O
to	O
Linux	B-Application
Alpha	B-Device
.	O
</s>
<s>
Illwinter	O
Game	O
Design	O
ported	O
Dominions	B-Application
:	I-Application
Priests	I-Application
,	I-Application
Prophets	I-Application
and	I-Application
Pretenders	I-Application
,	O
Dominions	B-Application
II	I-Application
:	I-Application
The	I-Application
Ascension	I-Application
Wars	I-Application
and	O
Dominions	B-Application
3	I-Application
to	O
Linux	B-Application
PowerPC	B-Architecture
,	O
as	O
well	O
as	O
Conquest	O
of	O
Elysium	O
3	O
,	O
Dominions	B-Application
4	I-Application
:	I-Application
Thrones	I-Application
of	I-Application
Ascension	I-Application
to	O
Raspberry	B-Operating_System
Pi	I-Operating_System
.	O
</s>
<s>
Hyperion	B-Operating_System
Entertainment	I-Operating_System
ported	O
Sin	B-Application
to	O
Linux	B-Application
PowerPC	B-Architecture
published	O
by	O
Titan	O
Computer	O
and	O
Gorky	B-Application
17	I-Application
to	O
Linux	B-Application
PowerPC	B-Architecture
which	O
later	O
was	O
published	O
by	O
LGP	O
.	O
</s>
<s>
Runesoft	O
hired	O
Gunnar	O
von	O
Boehn	O
which	O
ported	O
Robin	O
Hood	O
–	O
The	O
Legend	O
of	O
Sherwood	O
to	O
Linux	B-Application
PowerPC	B-Architecture
.	O
</s>
<s>
Later	O
Runesoft	O
ported	O
Airline	B-Application
Tycoon	I-Application
Deluxe	I-Application
to	O
Raspberry	B-Operating_System
Pi	I-Operating_System
was	O
running	O
Debian	O
GNU/Linux	B-Application
.	O
</s>
<s>
Several	O
developers	O
have	O
released	O
the	O
source	B-Application
code	O
to	O
many	O
of	O
their	O
legacy	O
titles	O
,	O
allowing	O
them	O
to	O
be	O
run	O
as	O
native	O
applications	O
on	O
many	O
alternative	O
platforms	O
,	O
including	O
Linux	B-Application
.	O
</s>
<s>
Examples	O
of	O
games	O
which	O
were	O
ported	O
to	O
Linux	B-Application
this	O
way	O
include	O
Duke	B-Application
Nukem	I-Application
3D	I-Application
,	O
Shadow	B-Application
Warrior	I-Application
,	O
Rise	B-Application
of	I-Application
the	I-Application
Triad	I-Application
,	O
Blake	B-Application
Stone	I-Application
,	O
Ken	B-Application
's	I-Application
Labyrinth	I-Application
,	O
Catacomb	B-Application
3D	I-Application
,	O
Seven	B-Application
Kingdoms	I-Application
,	O
Warzone	B-Application
2100	I-Application
,	O
Homeworld	B-Application
,	O
Call	B-Application
to	I-Application
Power	I-Application
II	I-Application
,	O
Wolfenstein	B-Application
3D	I-Application
,	O
Heretic	B-Application
,	O
Hexen	B-Application
,	O
Hexen	B-Application
II	I-Application
,	O
Aliens	O
versus	O
Predator	O
,	O
Descent	B-Application
,	O
Descent	B-Application
II	I-Application
and	O
Freespace	B-Application
2	I-Application
.	O
</s>
<s>
Several	O
game	O
titles	O
that	O
were	O
previously	O
released	O
for	O
Linux	B-Application
were	O
also	O
able	O
to	O
be	O
expanded	O
or	O
updated	O
because	O
of	O
the	O
availability	O
of	O
game	O
code	O
,	O
including	O
Doom	B-Application
,	O
Abuse	B-Application
,	O
Quake	B-Application
,	O
Quake	B-Application
II	I-Application
,	O
Quake	B-Application
III	I-Application
Arena	I-Application
and	O
Jagged	O
Alliance	O
2	O
.	O
</s>
<s>
Some	O
derivatives	B-Operating_System
based	O
on	O
released	O
source	B-Application
code	O
have	O
also	O
been	O
released	O
for	O
Linux	B-Application
,	O
such	O
as	O
Aleph	O
One	O
and	O
Micropolis	B-Application
for	O
Marathon	B-Application
2	I-Application
:	I-Application
Durandal	I-Application
and	O
SimCity	B-Application
respectively	O
.	O
</s>
<s>
Certain	O
game	O
titles	O
were	O
even	O
able	O
to	O
be	O
ported	O
due	O
to	O
availability	O
of	O
shared	O
engine	O
code	O
even	O
though	O
the	O
game	O
's	O
code	O
itself	O
remains	O
proprietary	B-Application
or	O
otherwise	O
unavailable	O
,	O
such	O
as	O
the	O
video	O
game	O
Strife	B-Application
,	O
Blood	B-Application
,	O
PowerSlave	B-Application
,	O
Redneck	B-Application
Rampage	I-Application
,	O
or	O
the	O
multiplayer	O
component	O
of	O
Star	B-Operating_System
Trek	I-Operating_System
:	I-Operating_System
Voyager	I-Operating_System
–	I-Operating_System
Elite	I-Operating_System
Force	I-Operating_System
.	O
</s>
<s>
Some	O
games	O
have	O
even	O
been	O
ported	O
entirely	O
or	O
partially	O
by	O
reverse	O
engineering	O
and	O
game	O
engine	O
recreation	O
such	O
as	O
WarCraft	B-Application
II	I-Application
through	O
Wargus	B-Application
or	O
Commander	B-Application
Keen	I-Application
through	O
Commander	O
Genius	O
.	O
</s>
<s>
Another	O
trick	O
is	O
to	O
attempt	O
hacking	O
the	O
game	O
to	O
work	O
as	O
a	O
mod	O
on	O
another	O
native	O
title	O
,	O
such	O
as	O
with	O
the	O
original	O
Unreal	B-Application
.	O
</s>
<s>
Additionally	O
,	O
some	O
games	O
can	O
be	O
run	O
through	O
the	O
use	O
of	O
Linux	B-Application
specific	O
runtime	O
environments	O
,	O
such	O
as	O
the	O
case	O
of	O
certain	O
games	O
made	O
with	O
Adventure	B-Application
Game	I-Application
Studio	I-Application
such	O
as	O
the	O
Chzo	O
Mythos	O
or	O
certain	O
titles	O
made	O
with	O
the	O
RPG	B-Application
Maker	I-Application
tool	O
.	O
</s>
<s>
Games	O
derived	O
from	O
released	O
code	O
,	O
with	O
both	O
free	O
and	O
proprietary	B-Application
media	O
,	O
that	O
are	O
released	O
for	O
Linux	B-Application
include	O
Urban	B-Application
Terror	I-Application
,	O
OpenArena	B-Application
,	O
Freedoom	O
,	O
World	B-Application
of	I-Application
Padman	I-Application
,	O
Nexuiz/Xonotic	O
,	O
War§ow	B-Application
,	O
The	B-Application
Dark	I-Application
Mod	I-Application
,	O
and	O
Excalibur	B-Application
:	I-Application
Morgana	I-Application
's	I-Application
Revenge	I-Application
.	O
</s>
<s>
This	O
is	O
a	O
selected	O
list	O
of	O
MMORPGs	O
that	O
are	O
native	O
on	O
Linux	B-Application
:	O
</s>
<s>
A	B-Protocol
Tale	I-Protocol
in	I-Protocol
the	I-Protocol
Desert	I-Protocol
III	I-Protocol
(	O
2003	O
,	O
eGenesis	O
)	O
–	O
A	O
trading	O
and	O
crafting	O
game	O
,	O
set	O
in	O
ancient	O
Egypt	O
,	O
pay-to-play	O
.	O
</s>
<s>
Crossfire	B-Protocol
(	O
1992	O
)	O
–	O
A	O
medieval	O
fantasy	O
2D	O
game	O
.	O
</s>
<s>
Dofus	B-Protocol
(	O
2005	O
,	O
Ankama	O
Games	O
)	O
–	O
A	O
2D	O
fantasy	O
MMORPG	O
.	O
</s>
<s>
PlaneShift	B-Application
–	O
A	O
free	O
3D	O
fantasy	O
game	O
.	O
</s>
<s>
Regnum	B-Protocol
Online	I-Protocol
–	O
A	O
3D	O
fantasy	O
game	O
,	O
free-to-play	O
with	O
premium	O
content	O
.	O
</s>
<s>
RuneScape	B-Protocol
–	O
Java	B-Language
fantasy	O
3rd	O
person	O
MMORPG	O
.	O
</s>
<s>
Salem	B-Protocol
–	O
An	O
isometric	O
,	O
3D	O
fantasy	O
game	O
with	O
a	O
focus	O
on	O
crafting	O
and	O
permadeath	B-Application
.	O
</s>
<s>
Shroud	B-Protocol
of	I-Protocol
the	I-Protocol
Avatar	I-Protocol
–	O
An	O
isometric	O
,	O
3D	O
fantasy	O
game	O
and	O
the	O
spiritual	O
successor	O
to	O
Ultima	B-Protocol
Online	I-Protocol
.	O
</s>
<s>
Spiral	B-Application
Knights	I-Application
–	O
Java	B-Language
fantasy	O
3rd	O
person	O
game	O
.	O
</s>
<s>
The	B-Protocol
Saga	I-Protocol
of	I-Protocol
Ryzom	I-Protocol
–	O
has	O
a	O
Linux	B-Application
client	O
and	O
source	B-Application
code	O
available	O
.	O
</s>
<s>
Tibia	B-Protocol
–	O
A	O
2D	O
Medieval	O
fantasy	O
MMORPG	O
game	O
.	O
</s>
<s>
With	O
Official	O
Linux	B-Application
client	O
.	O
</s>
<s>
Ultima	B-Protocol
Online	I-Protocol
has	O
an	O
unofficial	O
Linux	B-Application
client	O
.	O
</s>
<s>
Vendetta	B-Protocol
Online	I-Protocol
–	O
A	O
3D	O
spacecraft	O
MMOFPS	O
with	O
growing	O
RPG	O
elements	O
,	O
pay	O
to	O
play	O
.	O
</s>
<s>
Maintains	O
both	O
Linux/32	O
and	O
Linux/64	O
clients	O
.	O
</s>
<s>
WorldForge	B-Protocol
–	O
A	O
game	O
engine	O
.	O
</s>
<s>
There	O
are	O
Linux	B-Application
clients	O
available	O
.	O
</s>
<s>
Wyvern	B-Protocol
–	O
A	O
2D	O
fantasy	O
MMORPG	O
that	O
runs	O
on	O
Java	B-Language
.	O
</s>
<s>
Puzzle	B-Application
Pirates	I-Application
–	O
A	O
puzzle	O
game	O
which	O
runs	O
on	O
Java	B-Language
.	O
</s>
<s>
Many	O
Virtual	B-Application
Worlds	I-Application
–	O
(	O
such	O
as	O
Second	B-Application
Life	I-Application
)	O
also	O
have	O
Linux	B-Application
clients	O
.	O
</s>
<s>
Linux	B-Application
gaming	I-Application
can	O
be	O
divided	O
into	O
a	O
number	O
of	O
sub-categories	O
.	O
</s>
<s>
Libre	B-Application
gaming	I-Application
is	O
a	O
form	O
of	O
Linux	B-Application
gaming	I-Application
that	O
emphasizes	O
libre	B-Application
software	I-Application
,	O
which	O
often	O
includes	O
levels	O
and	O
assets	O
as	O
well	O
as	O
code	O
.	O
</s>
<s>
Native	O
gaming	O
is	O
a	O
form	O
of	O
Linux	B-Application
gaming	I-Application
that	O
emphasizes	O
using	O
only	O
native	O
games	O
or	O
ports	O
and	O
not	O
using	O
emulators	B-Application
or	O
compatibility	B-General_Concept
layers	I-General_Concept
.	O
</s>
<s>
DRM-free	O
gaming	O
is	O
a	O
form	O
of	O
Linux	B-Application
gaming	I-Application
that	O
emphasizes	O
boycotting	O
DRM	O
technologies	O
.	O
</s>
<s>
This	O
can	O
include	O
buying	O
games	O
from	O
GOG.com,	O
certain	O
Humble	O
Bundles	O
or	O
itch.io	O
and	O
avoiding	O
Steam	B-Application
and	O
similar	O
services	O
.	O
</s>
<s>
Terminal	O
gaming	O
is	O
the	O
playing	O
of	O
text-based	O
games	O
from	O
within	O
a	O
console	B-Application
,	O
often	O
programmed	O
within	O
Bash	B-Operating_System
or	O
using	O
libraries	O
such	O
as	O
ncurses	B-Language
.	O
</s>
<s>
Retrogaming	O
is	O
the	O
playing	O
of	O
older	O
games	O
using	O
emulators	B-Application
such	O
as	O
MAME	B-Device
or	O
Dosbox	B-Application
,	O
compatibility	B-General_Concept
layers	I-General_Concept
such	O
as	O
Wine	B-Application
and	O
Proton	B-Application
,	O
engine	O
reimplementations	O
and	O
source	B-Application
ports	O
,	O
or	O
even	O
older	O
Linux	B-Application
distributions	I-Application
(	O
including	O
live	O
CDs	O
and	O
live	O
USB	O
,	O
or	O
virtual	B-Architecture
machines	I-Architecture
)	O
,	O
original	O
binaries	O
,	O
</s>
<s>
A	O
number	O
of	O
games	O
can	O
be	O
played	O
from	O
live	O
distributions	O
such	O
as	O
Knoppix	O
,	O
allowing	O
easy	O
access	O
for	O
users	O
unwilling	O
to	O
fully	O
commit	O
to	O
Linux	B-Application
.	O
</s>
<s>
Certain	O
live	O
distros	O
have	O
specially	O
targeted	O
gamers	O
,	O
such	O
as	O
SuperGamer	O
and	O
Linux-Gamers	O
.	O
</s>
<s>
Browser	O
gaming	O
is	O
the	O
act	O
of	O
playing	O
online	B-Application
games	I-Application
through	O
a	O
web	O
browser	O
,	O
which	O
has	O
the	O
advantage	O
of	O
largely	O
being	O
platform	B-Operating_System
independent	I-Operating_System
.	O
</s>
<s>
Older	O
games	O
were	O
largely	O
based	O
on	O
Adobe	B-Operating_System
Flash	I-Operating_System
,	O
while	O
modern	O
ones	O
are	O
mostly	O
HTML5	B-Application
.	O
</s>
<s>
Cloud	B-Application
gaming	I-Application
is	O
the	O
streaming	O
of	O
games	O
from	O
a	O
central	O
server	O
onto	O
a	O
desktop	O
client	O
.	O
</s>
<s>
This	O
is	O
another	O
way	O
to	O
play	O
games	O
on	O
Linux	B-Application
that	O
are	O
not	O
natively	O
supported	O
,	O
although	O
some	O
cloud	O
services	O
,	O
such	O
as	O
the	O
erstwhile	O
Google	B-Application
Stadia	I-Application
,	O
are	O
hosted	O
on	O
Linux	B-Application
and	O
Android	B-Application
servers	O
.	O
</s>
<s>
GamingAnywhere	O
is	O
an	O
open	B-Application
source	I-Application
implementation	O
.	O
</s>
<s>
Although	O
less	O
exploited	O
than	O
the	O
reverse	O
,	O
as	O
few	O
programs	O
are	O
Linux	B-Application
exclusive	O
,	O
support	O
does	O
exist	O
for	O
running	O
Linux	B-Application
binaries	O
from	O
Windows	B-Application
.	O
</s>
<s>
The	O
Windows	B-Application
Subsystem	O
for	O
Linux	B-Application
allows	O
the	O
running	O
of	O
both	O
command	B-Application
line	I-Application
and	O
graphical	O
Linux	B-Application
applications	O
from	O
Windows	B-Operating_System
10	I-Operating_System
and	O
Windows	B-Application
11	I-Application
.	O
</s>
<s>
An	O
earlier	O
implementation	O
is	O
Cygwin	B-Language
,	O
started	O
by	O
Cygnus	O
Solutions	O
and	O
later	O
maintained	O
by	O
Red	B-Language
Hat	O
,	O
although	O
it	O
has	O
limited	O
hardware	O
access	O
and	O
required	O
adaptation	O
.	O
</s>
<s>
The	O
use	O
of	O
Wine	B-Application
can	O
even	O
allow	O
for	O
the	O
running	O
of	O
Windows	B-Application
games	O
on	O
Linux	B-Application
from	O
Windows	B-Application
.	O
</s>
<s>
The	O
LibTAS	O
library	O
for	O
tool	O
assisted	O
speedruns	O
currently	O
recommends	O
WSL	O
to	O
run	O
on	O
Windows	B-Application
.	O
</s>
<s>
Naughty	O
Dog	O
meanwhile	O
have	O
used	O
Cygwin	B-Language
to	O
run	O
old	O
command-line	B-Application
tools	I-Application
for	O
use	O
in	O
their	O
game	O
development	O
,	O
which	O
is	O
a	O
broader	O
use	O
for	O
the	O
platform	O
.	O
</s>
<s>
As	O
with	O
running	O
Windows	B-Application
applications	I-Application
on	O
Linux	B-Application
,	O
there	O
is	O
controversy	O
over	O
whether	O
running	O
Linux	B-Application
applications	O
on	O
Windows	B-Application
will	O
dilute	O
interest	O
in	O
Linux	B-Application
as	O
distinct	O
platform	O
,	O
though	O
it	O
has	O
speciality	O
uses	O
.	O
</s>
<s>
Owing	O
to	O
a	O
common	O
Unix-like	B-Operating_System
heritage	O
and	O
free	B-Application
software	I-Application
ethos	O
,	O
many	O
games	B-Application
for	I-Application
Linux	I-Application
are	O
also	O
ported	O
to	O
BSD	B-Operating_System
variants	B-Operating_System
or	O
can	O
be	O
ran	O
using	O
compatibility	B-General_Concept
layers	I-General_Concept
such	O
as	O
Linuxulator	B-General_Concept
.	O
</s>
<s>
The	O
Homura	O
launcher	O
exists	O
to	O
facilitate	O
running	O
Windows	B-Application
games	O
through	O
Wine	B-Application
,	O
which	O
can	O
still	O
be	O
used	O
standalone	O
.	O
</s>
<s>
A	O
2011	O
benchmark	O
by	O
Phoronix	O
even	O
found	O
certain	O
speed	O
advantages	O
over	O
running	O
games	O
on	O
Linux	B-Application
itself	O
,	O
comparing	O
PC-BSD	B-Application
8.2	O
to	O
Ubuntu	B-Operating_System
11.04	O
.	O
</s>
<s>
The	O
permissive	B-License
licensing	I-License
of	O
BSD	B-Operating_System
has	O
also	O
lead	O
to	O
its	O
inclusion	O
in	O
the	O
system	B-Application
software	I-Application
of	O
several	O
game	O
consoles	O
,	O
such	O
as	O
the	O
Sony	B-Device
PlayStation	I-Device
line	O
and	O
the	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
A	O
further	O
niche	O
exists	O
for	O
running	O
games	O
,	O
either	O
through	O
ports	O
or	O
lxrun	B-Application
,	O
on	O
Solaris	B-Application
and	O
derivatives	B-Operating_System
such	O
as	O
OpenIndiana	B-Application
,	O
Darwin	B-Operating_System
distributions	O
such	O
as	O
PureDarwin	O
,	O
Coherent	B-Operating_System
,	O
SerenityOS	B-Language
,	O
or	O
on	O
Minix	B-Operating_System
and	O
Hurd	B-Application
based	O
systems	O
.	O
</s>
<s>
There	O
has	O
been	O
some	O
cross-pollination	O
with	O
purely	O
proprietary	B-Application
Unix	B-Application
derivatives	B-Operating_System
,	O
such	O
as	O
AIX	B-Application
,	O
QNX	B-Operating_System
,	O
Domain/OS	B-Application
,	O
HP-UX	B-Application
,	O
IRIX	B-Operating_System
(	O
see	O
here	O
)	O
,	O
Xenix	B-Application
,	O
SCO	B-Operating_System
Unix	I-Operating_System
,	O
Unixware	B-Operating_System
,	O
Tru64	B-Operating_System
UNIX	I-Operating_System
,	O
LynxOS	B-Operating_System
(	O
which	O
features	O
inbuilt	O
Linux	B-Application
compatibility	O
)	O
,	O
Ultrix	B-Operating_System
,	O
OpenVMS	B-Operating_System
,	O
z/OS	B-Application
UNIX	B-Operating_System
System	I-Operating_System
Services	I-Operating_System
,	O
and	O
even	O
A/UX	B-Operating_System
.	O
</s>
<s>
The	O
games	O
Doom	B-Application
and	O
Quake	B-Application
were	O
developed	O
by	O
id	O
Software	O
on	O
NeXTStep	B-Application
,	O
a	O
forerunner	O
of	O
modern	O
macOS	B-Application
,	O
before	O
being	O
ported	O
to	O
DOS	B-Device
and	O
back	O
to	O
numerous	O
other	O
Unix	B-Application
variants	B-Operating_System
.	O
</s>
<s>
This	O
involved	O
reaching	O
out	O
to	O
numerous	O
Unix	B-Application
vendors	O
to	O
supply	O
machines	O
to	O
use	O
in	O
the	O
build	O
and	O
testing	O
process	O
.	O
</s>
