<s>
SuperTuxKart	B-Application
(	O
STK	O
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
kart	O
racing	O
game	O
,	O
distributed	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
,	O
version	O
3	O
.	O
</s>
<s>
It	O
features	O
mascots	O
of	O
various	O
open-source	B-Application
projects	O
.	O
</s>
<s>
SuperTuxKart	B-Application
is	O
cross-platform	B-Operating_System
,	O
running	O
on	O
Linux	B-Application
,	O
macOS	B-Application
,	O
Windows	B-Application
,	O
iOS	B-Application
(	O
beta	O
)	O
,	O
Android	B-Application
systems	I-Application
and	O
Nintendo	B-Application
Switch	I-Application
(	O
homebrew	B-Application
)	O
.	O
</s>
<s>
SuperTuxKart	B-Application
started	O
as	O
a	O
fork	B-Application
of	O
TuxKart	B-Application
,	O
originally	O
developed	O
by	O
Steve	O
and	O
Oliver	O
Baker	O
in	O
2000	O
.	O
</s>
<s>
When	O
TuxKart	B-Application
's	O
development	O
ended	O
around	O
March	O
2004	O
,	O
a	O
fork	B-Application
as	O
SuperTuxKart	B-Application
was	O
conducted	O
by	O
other	O
developers	O
in	O
2006	O
.	O
</s>
<s>
SuperTuxKart	B-Application
is	O
under	O
active	O
development	O
by	O
the	O
game	O
's	O
community	O
.	O
</s>
<s>
SuperTuxKart	B-Application
gameplay	O
is	O
similar	O
to	O
that	O
of	O
the	O
Mario	B-Application
Kart	I-Application
series	O
,	O
but	O
also	O
has	O
distinct	O
elements	O
,	O
such	O
as	O
collecting	O
and	O
using	O
cans	O
of	O
Nitro	O
.	O
</s>
<s>
For	O
example	O
,	O
Mozilla	B-Application
Thunderbird	I-Application
plays	O
the	O
referee	O
,	O
flagging	O
the	O
start	O
of	O
the	O
race	O
and	O
saving	O
players	O
when	O
they	O
drive	O
off	O
the	O
course	O
.	O
</s>
<s>
The	O
game	O
supports	O
single	O
player	O
,	O
local	O
multiplayer	O
,	O
WAN	O
multiplayer	O
,	O
and	O
LAN	B-General_Concept
multiplayer	O
modes	O
.	O
</s>
<s>
The	O
official	O
playable	O
characters	O
of	O
SuperTuxKart	B-Application
are	O
the	O
mascots	O
of	O
free	B-License
and	I-License
open-source	I-License
projects	O
.	O
</s>
<s>
The	O
character	O
Nolok	O
does	O
not	O
represent	O
a	O
particular	O
open	O
source	O
project	O
,	O
but	O
was	O
created	O
by	O
the	O
SuperTux	B-Application
project	O
as	O
the	O
antagonist	O
of	O
Tux	B-Application
.	O
</s>
<s>
The	O
mascots	O
for	O
many	O
other	O
projects	O
are	O
available	O
as	O
add-ons	O
from	O
SuperTuxKart	B-Application
's	O
add-ons	O
website	O
.	O
</s>
<s>
Unlike	O
Mario	B-Application
Kart	I-Application
,	O
STK	O
has	O
a	O
story	O
associated	O
with	O
gameplay	O
,	O
similar	O
to	O
Crash	B-Application
Team	I-Application
Racing	I-Application
.	O
</s>
<s>
At	O
the	O
beginning	O
of	O
story	O
mode	O
,	O
Gnu	O
,	O
the	O
leader	O
of	O
the	O
free/libre	O
and	O
open-source	B-Application
world	O
,	O
is	O
captured	O
by	O
Nolok	O
,	O
the	O
villain	O
in	O
STK	O
,	O
with	O
his	O
spaceship	O
.	O
</s>
<s>
Nolok	O
then	O
visits	O
Tux	B-Application
and	O
tells	O
him	O
that	O
he	O
has	O
kidnapped	O
Gnu	O
;	O
unless	O
Tux	B-Application
and	O
his	O
friends	O
can	O
defeat	O
Nolok	O
,	O
the	O
'	O
King	O
of	O
the	O
Karts	O
 '	O
,	O
Gnu	O
would	O
become	O
his	O
supper	O
.	O
</s>
<s>
After	O
the	O
player	O
defeats	O
Nolok	O
in	O
Fort	O
Magma	O
,	O
the	O
final	O
track	O
of	O
STK	O
,	O
Tux	B-Application
rescues	O
Gnu	O
from	O
his	O
prison	O
.	O
</s>
<s>
SuperTuxKart	B-Application
is	O
based	O
on	O
TuxKart	B-Application
,	O
a	O
project	O
initiated	O
by	O
Steve	O
Baker	O
in	O
April	O
2000	O
.	O
</s>
<s>
Due	O
to	O
internal	O
disagreements	O
in	O
the	O
TuxKart	B-Application
project	O
,	O
development	O
stalled	O
.	O
</s>
<s>
The	O
project	O
was	O
forked	B-Application
as	O
SuperTuxKart	B-Application
,	O
but	O
remained	O
in	O
an	O
unplayable	O
and	O
unmaintained	O
state	O
.	O
</s>
<s>
Historically	O
licensed	B-License
under	O
version	O
2	O
of	O
the	O
GPL	B-License
,	O
in	O
2008	O
the	O
game	O
's	O
source	O
code	O
was	O
relicensed	O
to	O
the	O
GPLv3	O
.	O
</s>
<s>
are	O
licensed	B-License
under	O
a	O
mixture	O
of	O
free	O
content	O
and	O
DFSG	B-License
conforming	O
licenses	B-License
:	O
GPL	B-License
,	O
CC	O
BY	O
,	O
CC	O
BY-SA	O
,	O
and	O
Public	O
Domain	O
.	O
</s>
<s>
In	O
2010	O
,	O
SuperTuxKart	B-Application
switched	O
away	O
from	O
using	O
SDL	B-Operating_System
and	O
PLIB	O
libraries	O
(	O
used	O
through	O
version	O
0.6.2	O
)	O
for	O
graphics	O
and	O
started	O
using	O
the	O
Irrlicht	B-Language
Engine	I-Language
.	O
</s>
<s>
In	O
2013	O
and	O
2014	O
,	O
the	O
game	O
participated	O
in	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
as	O
a	O
mentoring	O
organization	O
.	O
</s>
<s>
The	O
migration	O
of	O
the	O
code	O
repository	O
from	O
SourceForge	B-Application
to	O
GitHub	B-Application
was	O
officially	O
announced	O
on	O
17	O
January	O
2014	O
,	O
though	O
the	O
assets	O
repository	O
and	O
downloads	O
remain	O
on	O
SourceForge	B-Application
.	O
</s>
<s>
On	O
April	O
21	O
,	O
2015	O
,	O
version	O
0.9	O
was	O
released	O
which	O
used	O
a	O
highly	O
modified	O
version	O
of	O
Irrlicht	B-Language
,	O
including	O
an	O
entirely	O
new	O
graphics	O
renderer	O
dubbed	O
Antarctica	O
.	O
</s>
<s>
Antarctica	O
Rendering	O
Engine	O
uses	O
OpenGL	B-Application
3.3	O
+	O
(	O
or	O
OpenGL	B-Application
ES	O
on	O
suitable	O
platforms	O
)	O
and	O
GLSL	B-Language
for	O
most	O
of	O
the	O
graphical	O
work	O
.	O
</s>
<s>
In	O
March	O
2017	O
,	O
SuperTuxKart	B-Application
was	O
greenlit	O
on	O
digital	O
distributor	O
Steam	B-Application
..	O
</s>
<s>
However	O
,	O
,	O
SuperTuxKart	B-Application
is	O
not	O
yet	O
downloadable	O
on	O
Steam	B-Application
.	O
</s>
<s>
In	O
May	O
2019	O
,	O
Joerg	O
"	O
Hiker	O
"	O
Henrichs	O
stepped	O
down	O
as	O
a	O
lead	O
developer	O
of	O
SuperTuxkart	B-Application
,	O
with	O
"	O
Benau	O
"	O
and	O
"	O
Alayan	O
"	O
taking	O
over	O
as	O
the	O
new	O
project	O
leaders	O
.	O
</s>
<s>
In	O
September	O
2021	O
,	O
SuperTuxKart	B-Application
1.3	O
was	O
released	O
,	O
it	O
has	O
support	O
for	O
force	B-Device
feedback	I-Device
.	O
</s>
<s>
Force	B-Device
feedback	I-Device
is	O
extremely	O
uncommon	O
for	O
free	B-Application
software	I-Application
games	O
.	O
</s>
<s>
In	O
2004	O
,	O
TuxKart	B-Application
was	O
selected	O
by	O
The	O
Linux	B-Application
Game	O
Tome	O
to	O
be	O
their	O
"	O
Game	O
of	O
the	O
Month	O
"	O
project	O
.	O
</s>
<s>
In	O
2007	O
Full	O
Circle	O
Magazine	O
named	O
SuperTuxKart	B-Application
as	O
one	O
of	O
the	O
top	O
five	O
racing	O
games	O
available	O
for	O
Linux	B-Application
,	O
describing	O
it	O
as	O
the	O
game	O
to	O
try	O
if	O
you	O
're	O
"	O
tired	O
of	O
realistic	O
driving	O
"	O
.	O
</s>
<s>
Linux	B-Application
Journal	O
also	O
praised	O
the	O
game	O
,	O
saying	O
that	O
"	O
the	O
courses	O
in	O
SuperTuxKart	B-Application
are	O
fun	O
,	O
colorful	O
and	O
imaginative	O
"	O
and	O
that	O
"	O
If	O
you	O
've	O
played	O
the	O
original	O
,	O
you	O
'll	O
be	O
impressed	O
by	O
the	O
new	O
,	O
hugely	O
improved	O
,	O
SuperTuxKart.	O
"	O
</s>
<s>
In	O
2009	O
,	O
TechRadar	O
cited	O
it	O
as	O
one	O
of	O
the	O
best	O
games	O
to	O
put	O
on	O
a	O
Linux	B-Application
netbook	B-Device
.	O
</s>
<s>
called	O
SuperTuxKart	B-Application
"	O
the	O
best	O
kart	O
racing	O
game	O
to	O
not	O
feature	O
Mario	B-Application
,	O
Toad	O
or	O
Diddy	O
Kong	O
"	O
.	O
</s>
<s>
Since	O
August	O
2007	O
SuperTuxKart	B-Application
has	O
been	O
downloaded	O
over	O
3.2	O
million	O
times	O
from	O
SourceForge.net	B-Application
and	O
has	O
over	O
500	O
thousand	O
downloads	O
on	O
the	O
Google	B-Application
Play	I-Application
store	I-Application
.	O
</s>
