<s>
Doom	B-Application
3	I-Application
is	O
a	O
2004	O
action	B-Application
horror	I-Application
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
id	O
Software	O
and	O
published	O
by	O
Activision	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
was	O
originally	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
on	O
August	O
3	O
,	O
2004	O
,	O
adapted	O
for	O
Linux	B-Application
later	O
that	O
year	O
,	O
and	O
ported	O
by	O
Aspyr	O
Media	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
in	O
2005	O
.	O
</s>
<s>
Developer	O
Vicarious	O
Visions	O
ported	O
the	O
game	O
to	O
the	O
Xbox	B-Application
,	O
releasing	O
it	O
on	O
April	O
3	O
,	O
2005	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
is	O
set	O
on	O
Mars	B-Application
in	O
2145	O
,	O
where	O
a	O
military-industrial	O
conglomerate	O
has	O
set	O
up	O
a	O
scientific	O
research	O
facility	O
into	O
fields	O
such	O
as	O
teleportation	O
,	O
biological	O
research	O
,	O
and	O
advanced	O
weapons	O
design	O
.	O
</s>
<s>
The	O
teleportation	O
experiments	O
open	O
a	O
gateway	O
to	O
Hell	O
,	O
resulting	O
in	O
a	O
catastrophic	O
invasion	O
of	O
the	O
Mars	B-Application
base	O
by	O
demons	O
.	O
</s>
<s>
The	O
player	O
controls	O
a	O
space	B-Application
marine	I-Application
who	O
fights	O
through	O
the	O
base	O
to	O
stop	O
the	O
demons	O
attacking	O
Mars	B-Application
and	O
reaching	O
Earth	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
is	O
the	O
first	O
reboot	O
of	O
the	O
Doom	B-Application
series	I-Application
,	O
ignoring	O
the	O
events	O
of	O
the	O
previous	O
games	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
utilizes	O
the	O
id	B-Application
Tech	I-Application
4	I-Application
game	O
engine	O
,	O
which	O
has	O
since	O
been	O
licensed	O
out	O
to	O
other	O
developers	O
,	O
and	O
later	O
released	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
v3.0	I-License
or	I-License
later	I-License
in	O
November	O
2011	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
was	O
a	O
critical	O
and	O
commercial	O
success	O
;	O
with	O
more	O
than	O
3.5	O
million	O
copies	O
of	O
the	O
game	O
sold	O
,	O
it	O
is	O
the	O
most	O
successful	O
game	O
by	O
developer	O
id	O
Software	O
to	O
date	O
.	O
</s>
<s>
Critics	O
praised	O
the	O
game	O
's	O
graphics	O
,	O
presentation	O
,	O
and	O
atmosphere	O
,	O
although	O
reviewers	O
were	O
divided	O
by	O
how	O
close	O
the	O
gameplay	O
was	O
to	O
that	O
of	O
the	O
original	O
Doom	B-Application
,	O
focusing	O
primarily	O
on	O
simply	O
fighting	O
through	O
large	O
numbers	O
of	O
enemy	O
characters	O
.	O
</s>
<s>
The	O
game	O
was	O
followed	O
by	O
Resurrection	B-Application
of	I-Application
Evil	I-Application
,	O
an	O
expansion	O
pack	O
developed	O
by	O
Nerve	O
Software	O
,	O
in	O
April	O
2005	O
.	O
</s>
<s>
A	O
series	O
of	O
novelizations	O
of	O
Doom	B-Application
3	I-Application
,	O
written	O
by	O
Matthew	O
J	O
.	O
Costello	O
,	O
debuted	O
in	O
February	O
2008	O
.	O
</s>
<s>
An	O
expanded	O
and	O
remastered	O
edition	O
titled	O
Doom	B-Application
3	I-Application
:	I-Application
BFG	I-Application
Edition	I-Application
was	O
released	O
in	O
the	O
fourth	O
quarter	O
of	O
2012	O
,	O
while	O
a	O
version	O
based	O
on	O
the	O
BFG	O
Edition	O
of	O
the	O
game	O
was	O
released	O
without	O
online	O
multiplayer	O
,	O
simply	O
called	O
Doom	B-Application
3	I-Application
,	O
for	O
Android	B-Application
in	O
June	O
2015	O
,	O
and	O
Nintendo	B-Application
Switch	I-Application
,	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
in	O
July	O
2019	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
is	O
a	O
story-driven	O
action	O
game	O
played	O
from	O
a	O
first-person	O
perspective	O
.	O
</s>
<s>
As	O
with	O
previous	O
Doom	B-Application
games	I-Application
,	O
the	O
main	O
objective	O
is	O
to	O
successfully	O
pass	O
through	O
its	O
levels	O
,	O
defeating	O
a	O
variety	O
of	O
enemy	O
characters	O
intent	O
on	O
killing	O
the	O
player	O
's	O
character	O
.	O
</s>
<s>
Doom	B-Application
3s	I-Application
more	O
story-centered	O
approach	O
,	O
however	O
,	O
means	O
that	O
the	O
player	O
often	O
encounters	O
friendly	O
non-player	O
characters	O
,	O
who	O
provide	O
key	O
plot	O
information	O
,	O
objectives	O
and	O
inventory	O
items	O
.	O
</s>
<s>
The	O
game	O
incorporates	O
ten	O
weapons	O
for	O
the	O
players	O
use	O
to	O
survive	O
,	O
including	O
conventional	O
firearms	O
such	O
as	O
a	O
submachine	O
gun	O
,	O
shotgun	O
and	O
grenades	O
,	O
experimental	O
plasma	O
weaponry	O
,	O
and	O
the	O
powerful	O
BFG	O
9000	O
and	O
chainsaw	O
weapons	O
of	O
the	O
Doom	B-Application
franchise	O
.	O
</s>
<s>
Early	O
in	O
the	O
game	O
,	O
the	O
player	O
is	O
provided	O
with	O
a	O
personal	B-Application
data	I-Application
assistant	I-Application
(	O
PDA	B-Application
)	O
.	O
</s>
<s>
PDAs	B-Application
contain	O
security	O
clearance	O
levels	O
,	O
allowing	O
the	O
player	O
to	O
access	O
certain	O
areas	O
that	O
are	O
otherwise	O
locked	O
and	O
off-limits	O
.	O
</s>
<s>
Additionally	O
,	O
the	O
PDA	B-Application
can	O
be	O
used	O
to	O
read	O
e-mails	O
and	O
play	O
audio	O
logs	O
or	O
video	O
discs	O
that	O
the	O
player	O
's	O
character	O
acquires	O
during	O
the	O
game	O
.	O
</s>
<s>
Whenever	O
the	O
player	O
picks	O
up	O
any	O
of	O
the	O
other	O
PDAs	B-Application
found	O
throughout	O
the	O
game	O
,	O
its	O
contents	O
are	O
automatically	O
downloaded	O
to	O
the	O
player	O
's	O
own	O
device	O
.	O
</s>
<s>
Other	O
PDAs	B-Application
often	O
contain	O
e-mails	O
and	O
audio	O
logs	O
for	O
other	O
characters	O
,	O
which	O
can	O
provide	O
useful	O
information	O
such	O
as	O
storage	O
or	O
door	O
key	O
codes	O
,	O
as	O
well	O
as	O
significant	O
plot	O
details	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
was	O
released	O
with	O
a	O
four-player	O
multiplayer	O
element	O
,	O
featuring	O
four	O
game	O
modes	O
.	O
</s>
<s>
The	O
Resurrection	B-Application
of	I-Application
Evil	I-Application
expansion	O
would	O
later	O
officially	O
increase	O
the	O
player	O
limit	O
to	O
eight	O
.	O
</s>
<s>
The	O
Xbox	B-Application
version	O
of	O
Doom	B-Application
3	I-Application
also	O
incorporates	O
an	O
additional	O
two-player	O
co-operative	O
mode	O
for	O
the	O
main	O
single-player	O
game	O
.	O
</s>
<s>
As	O
of	O
April	O
15	O
,	O
2010	O
,	O
the	O
Xbox	B-Application
Live	O
service	O
was	O
shut	O
down	O
,	O
thus	O
online	O
multiplayer	O
for	O
the	B-Application
original	I-Application
Xbox	I-Application
game	O
is	O
no	O
longer	O
available	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
is	O
set	O
on	O
the	O
planet	O
Mars	B-Application
in	O
the	O
year	O
2145	O
.	O
</s>
<s>
According	O
to	O
the	O
game	O
's	O
backstory	O
,	O
the	O
Union	B-Application
Aerospace	I-Application
Corporation	I-Application
(	O
UAC	O
)	O
has	O
grown	O
to	O
become	O
the	O
largest	O
corporate	O
entity	O
in	O
existence	O
with	O
near-unlimited	O
funds	O
,	O
and	O
has	O
set	O
up	O
a	O
research	O
facility	O
on	O
Mars	B-Application
.	O
</s>
<s>
Much	O
of	O
Doom	B-Application
3s	I-Application
story	O
and	O
dialogue	O
was	O
written	O
by	O
author	O
Matthew	O
J	O
.	O
Costello	O
.	O
</s>
<s>
There	O
are	O
five	O
main	O
characters	O
in	O
Doom	B-Application
3	I-Application
.	O
</s>
<s>
The	O
player	O
assumes	O
the	O
role	O
of	O
an	O
anonymous	O
Space	B-Application
Marine	I-Application
corporal	O
who	O
has	O
just	O
arrived	O
on	O
the	O
UAC	O
's	O
Mars	B-Application
base	O
.	O
</s>
<s>
The	O
final	O
two	O
principal	O
characters	O
are	O
Elliott	O
Swann	O
(	O
Charles	O
Dennis	O
)	O
,	O
a	O
representative	O
of	O
the	O
UAC	O
's	O
board	O
of	O
directors	O
,	O
and	O
Jack	O
Campbell	O
(	O
Andy	O
Chanley	O
)	O
,	O
a	O
space	B-Application
marine	I-Application
who	O
acts	O
as	O
Swann	O
's	O
bodyguard	O
and	O
is	O
armed	O
with	O
a	O
BFG	O
9000	O
.	O
</s>
<s>
Swann	O
is	O
sent	O
to	O
Mars	B-Application
to	O
check	O
up	O
on	O
Betruger	O
's	O
research	O
and	O
investigate	O
the	O
rising	O
number	O
of	O
accidents	O
on	O
the	O
base	O
after	O
a	O
request	O
for	O
assistance	O
from	O
a	O
whistleblower	O
.	O
</s>
<s>
UAC	O
board	O
member	O
Elliott	O
Swann	O
,	O
his	O
bodyguard	O
Jack	O
Campbell	O
,	O
and	O
a	O
recently	O
transferred	O
Marine	O
arrive	O
at	O
Mars	B-Application
City	O
,	O
the	O
main	O
access	O
to	O
the	O
UAC	O
's	O
Mars	B-Application
base	O
.	O
</s>
<s>
However	O
,	O
as	O
he	O
tries	O
to	O
explain	O
the	O
situation	O
to	O
the	O
marine	O
,	O
another	O
teleportation	O
test	O
takes	O
place	O
but	O
loses	O
containment	O
,	O
at	O
which	O
point	O
the	O
entire	O
Mars	B-Application
base	O
is	O
swept	O
with	O
a	O
shockwave	O
.	O
</s>
<s>
Now	O
forced	O
to	O
fend	O
off	O
attacks	O
from	O
zombified	O
base	O
personnel	O
and	O
demons	O
from	O
Hell	O
,	O
the	O
Marine	O
returns	O
to	O
Mars	B-Application
City	O
,	O
where	O
Kelly	O
gives	O
him	O
orders	O
to	O
link	O
up	O
with	O
another	O
squad	O
of	O
marines	O
and	O
get	O
a	O
transmission	O
card	O
containing	O
a	O
distress	O
call	O
to	O
the	O
main	O
communications	O
facility	O
to	O
call	O
for	O
reinforcements	O
.	O
</s>
<s>
As	O
the	O
Marine	O
progresses	O
through	O
the	O
base	O
,	O
he	O
learns	O
that	O
Swann	O
and	O
Campbell	O
have	O
survived	O
,	O
and	O
are	O
also	O
en	O
route	O
to	O
the	O
communications	O
facility	O
to	O
prevent	O
any	O
messages	O
being	O
sent	O
in	O
order	O
to	O
contain	O
the	O
situation	O
on	O
Mars	B-Application
.	O
</s>
<s>
However	O
,	O
Kelly	O
directs	O
the	O
Marine	O
to	O
a	O
backup	O
system	O
,	O
where	O
the	O
Marine	O
is	O
given	O
the	O
choice	O
of	O
whether	O
to	O
obey	O
Kelly	O
's	O
orders	O
to	O
send	O
for	O
reinforcements	O
,	O
or	O
accept	O
Swann	O
's	O
argument	O
to	O
keep	O
Mars	B-Application
isolated	O
until	O
the	O
nature	O
of	O
the	O
invasion	O
is	O
understood	O
,	O
so	O
as	O
not	O
to	O
endanger	O
Earth	O
.	O
</s>
<s>
Upon	O
arriving	O
at	O
the	O
Delta	O
Labs	O
,	O
the	O
Marine	O
learns	O
of	O
the	O
details	O
behind	O
the	O
teleportation	O
experiments	O
,	O
expeditions	O
into	O
Hell	O
to	O
retrieve	O
specimens	O
and	O
Betruger	O
's	O
increasing	O
obsession	O
with	O
the	O
tests	O
,	O
as	O
well	O
as	O
of	O
a	O
xenoarchaeological	O
dig	O
under	O
the	O
surface	O
of	O
Mars	B-Application
.	O
</s>
<s>
The	O
dig	O
is	O
excavating	O
the	O
ruins	O
of	O
an	O
ancient	O
civilization	O
discovered	O
on	O
Mars	B-Application
,	O
and	O
has	O
produced	O
a	O
relic	O
known	O
as	O
the	O
Soul	B-Application
Cube	I-Application
.	O
</s>
<s>
According	O
to	O
a	O
scientist	O
the	O
Marine	O
finds	O
in	O
the	O
labs	O
,	O
the	O
Soul	B-Application
Cube	I-Application
is	O
a	O
weapon	O
created	O
by	O
the	O
ancient	O
civilization	O
to	O
defend	O
against	O
the	O
forces	O
of	O
Hell	O
.	O
</s>
<s>
The	O
scientist	O
also	O
reveals	O
that	O
the	O
invasion	O
began	O
when	O
Betruger	O
took	O
the	O
Soul	B-Application
Cube	I-Application
into	O
the	O
portal	O
at	O
the	O
beginning	O
of	O
the	O
game	O
,	O
depositing	O
it	O
in	O
Hell	O
.	O
</s>
<s>
The	O
portal	O
takes	O
the	O
Marine	O
directly	O
into	O
Hell	O
,	O
where	O
he	O
proceeds	O
to	O
fight	O
his	O
way	O
through	O
a	O
large	O
number	O
of	O
demons	O
to	O
the	O
Soul	B-Application
Cube	I-Application
,	O
defeating	O
its	O
demonic	O
guardian	O
.	O
</s>
<s>
Betruger	O
,	O
however	O
,	O
tells	O
the	O
Marine	O
that	O
although	O
the	O
main	O
UAC	O
teleporter	O
has	O
been	O
destroyed	O
,	O
Hell	O
is	O
opening	O
a	O
Hellmouth	O
on	O
Mars	B-Application
,	O
capable	O
of	O
bringing	O
millions	O
of	O
demons	O
to	O
Mars	B-Application
.	O
</s>
<s>
Telling	O
the	O
Marine	O
that	O
Campbell	O
has	O
gone	O
after	O
Kelly	O
,	O
Swann	O
gives	O
the	O
marine	O
his	O
PDA	B-Application
containing	O
information	O
on	O
the	O
location	O
on	O
the	O
Hellmouth	O
under	O
the	O
surface	O
of	O
Mars	B-Application
and	O
says	O
that	O
he	O
will	O
try	O
to	O
make	O
his	O
way	O
out	O
of	O
the	O
base	O
alone	O
.	O
</s>
<s>
The	O
Marine	O
is	O
able	O
to	O
kill	O
Kelly	O
and	O
takes	O
the	O
BFG	O
9000	O
before	O
proceeding	O
deeper	O
under	O
the	O
Martian	O
surface	O
to	O
Site	O
3	O
,	O
the	O
archaeological	O
dig	O
site	O
where	O
the	O
Soul	B-Application
Cube	I-Application
was	O
unearthed	O
.	O
</s>
<s>
Using	O
the	O
Soul	B-Application
Cube	I-Application
,	O
the	O
Marine	O
defeats	O
the	O
Cyberdemon	O
,	O
and	O
the	O
Soul	B-Application
Cube	I-Application
then	O
seals	O
the	O
Hellmouth	O
.	O
</s>
<s>
In	O
June	O
2000	O
,	O
id	O
Software	O
's	O
game	O
engine	O
designer	O
John	O
Carmack	O
,	O
posted	O
an	O
internal	O
company	O
plan	O
announcing	O
a	O
remake	O
of	O
Doom	B-Application
using	O
next	O
generation	O
technology	O
.	O
</s>
<s>
This	O
plan	O
revealed	O
controversy	O
had	O
been	O
growing	O
within	O
id	O
Software	O
over	O
remaking	O
Doom	B-Application
.	O
</s>
<s>
Kevin	O
Cloud	O
and	O
Adrian	O
Carmack	O
,	O
two	O
of	O
id	O
Software	O
's	O
owners	O
,	O
were	O
always	O
strongly	O
opposed	O
to	O
remaking	O
Doom	B-Application
,	O
believing	O
that	O
id	O
was	O
going	O
back	O
to	O
the	O
same	O
formulas	O
and	O
properties	O
too	O
often	O
.	O
</s>
<s>
However	O
,	O
after	O
the	O
positive	O
reception	O
to	O
Return	B-Application
to	I-Application
Castle	I-Application
Wolfenstein	I-Application
and	O
the	O
latest	O
improvements	O
in	O
rendering	O
technology	O
,	O
most	O
of	O
the	O
employees	O
agreed	O
that	O
a	O
remake	O
was	O
the	O
right	O
idea	O
and	O
presented	O
the	O
two	O
owners	O
with	O
an	O
ultimatum	O
:	O
allow	O
them	O
to	O
remake	O
Doom	B-Application
or	O
fire	O
them	O
.	O
</s>
<s>
After	O
the	O
reasonably	O
amicable	O
confrontation	O
(	O
although	O
artist	O
Paul	O
Steed	O
,	O
one	O
of	O
the	O
instigators	O
,	O
was	O
fired	O
in	O
retaliation	O
)	O
,	O
the	O
agreement	O
to	O
work	O
on	O
Doom	B-Application
3	I-Application
was	O
made	O
.	O
</s>
<s>
Id	O
Software	O
began	O
development	O
on	O
Doom	B-Application
3	I-Application
in	O
late	O
2000	O
,	O
immediately	O
after	O
finishing	O
Quake	B-Application
III	I-Application
:	O
Team	O
Arena	O
.	O
</s>
<s>
In	O
February	O
2001	O
,	O
it	O
was	O
unveiled	O
to	O
the	O
public	O
by	O
Steve	O
Jobs	O
(	O
CEO	B-Application
of	O
Apple	O
at	O
the	O
time	O
when	O
it	O
unveiled	O
)	O
in	O
Macworld	O
Conference	O
&	O
Expo/Tokyo	O
2001	O
along	O
with	O
the	O
GeForce	O
3	O
at	O
Makuhari	O
Messe	O
and	O
was	O
later	O
demonstrated	O
at	O
E3	O
2002	O
at	O
LACC	O
,	O
where	O
a	O
fifteen-minute	O
gameplay	O
demo	O
was	O
shown	O
.	O
</s>
<s>
Early	O
in	O
Doom	B-Application
3s	I-Application
development	O
,	O
Trent	O
Reznor	O
of	O
the	O
band	O
Nine	O
Inch	O
Nails	O
,	O
a	O
fan	O
of	O
the	O
Doom	B-Application
games	I-Application
,	O
was	O
set	O
to	O
compose	O
the	O
music	O
and	O
sound	O
effects	O
to	O
Doom	B-Application
3	I-Application
.	O
</s>
<s>
Doom	B-Application
3	I-Application
was	O
also	O
intended	O
to	O
be	O
more	O
storyline-focused	O
than	O
previous	O
id	O
titles	O
,	O
as	O
was	O
demonstrated	O
by	O
the	O
developers	O
 '	O
conscious	O
effort	O
to	O
have	O
more	O
professional	O
voice	O
acting	O
.	O
</s>
<s>
Late	O
in	O
2002	O
,	O
two	O
employees	O
at	O
ATI	O
Technologies	O
leaked	O
a	O
development	O
version	O
of	O
Doom	B-Application
3	I-Application
onto	O
the	O
Internet	O
.	O
</s>
<s>
One	O
year	O
later	O
,	O
a	O
new	O
trailer	O
was	O
shown	O
at	O
E3	O
2003	O
and	O
soon	O
afterwards	O
id	O
Software	O
's	O
website	O
was	O
updated	O
to	O
showcase	O
Doom	B-Application
3	I-Application
as	O
an	O
upcoming	O
project	O
,	O
although	O
it	O
was	O
also	O
announced	O
that	O
Doom	B-Application
3	I-Application
would	O
not	O
be	O
ready	O
for	O
the	O
2003	O
holiday	O
season	O
.	O
</s>
<s>
According	O
to	O
John	O
Carmack	O
,	O
the	O
lead	O
graphics	O
engine	O
developer	O
at	O
id	O
Software	O
,	O
the	O
technology	O
of	O
Doom	B-Application
3	I-Application
was	O
supported	O
by	O
three	O
primary	O
features	O
:	O
unified	O
lighting	O
and	O
shadowing	O
,	O
complex	O
animations	O
and	O
scripting	O
that	O
showed	O
real-time	O
with	O
fully	O
dynamic	O
per-pixel	O
lighting	O
and	O
stencil	O
shadowing	O
,	O
and	O
GUI	B-Application
surfaces	O
that	O
add	O
extra	O
interactivity	O
to	O
the	O
game	O
.	O
</s>
<s>
The	O
key	O
advance	O
of	O
the	O
id	B-Application
Tech	I-Application
4	I-Application
graphics	O
engine	O
developed	O
for	O
Doom	B-Application
3	I-Application
is	O
the	O
unified	O
lighting	O
and	O
shadowing	O
.	O
</s>
<s>
A	O
shortcoming	O
of	O
this	O
approach	O
is	O
the	O
engine	O
's	O
inability	O
to	O
render	O
soft	O
shadows	O
and	O
global	B-Algorithm
illumination	I-Algorithm
.	O
</s>
<s>
According	O
to	O
the	O
Doom	B-Application
3	I-Application
manual	O
,	O
GUI	B-Application
designer	O
Patrick	O
Duffy	O
wrote	O
over	O
500,000	O
lines	O
of	O
script	O
code	O
,	O
and	O
generated	O
more	O
than	O
25,000	O
image	O
files	O
to	O
create	O
all	O
of	O
the	O
graphical	B-Application
interfaces	I-Application
,	O
computer	O
screens	O
,	O
and	O
displays	O
throughout	O
Doom	B-Application
3	I-Application
.	O
</s>
<s>
Other	O
important	O
features	O
of	O
the	O
game	O
engine	O
are	O
normal	B-Application
mapping	I-Application
and	O
specular	O
highlighting	O
of	O
textures	O
,	O
realistic	O
handling	O
of	O
object	O
physics	O
,	O
a	O
dynamic	O
,	O
ambient	O
soundtrack	O
,	O
and	O
multi-channel	O
sound	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
on	O
Xbox	B-Application
supports	O
480p	O
widescreen	O
video	O
display	O
resolution	O
and	O
Dolby	O
Digital	O
5.1	O
surround	O
sound	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
achieved	O
gold	O
status	O
on	O
July	O
14	O
,	O
2004	O
and	O
a	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
release	O
was	O
confirmed	O
the	O
next	O
day	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
was	O
released	O
in	O
the	O
United	O
States	O
on	O
August	O
3	O
,	O
2004	O
,	O
and	O
to	O
the	O
rest	O
of	O
the	O
world	O
on	O
August	O
13	O
.	O
</s>
<s>
Additionally	O
,	O
a	O
Linux	B-Application
version	O
was	O
released	O
on	O
October	O
4	O
,	O
2004	O
,	O
by	O
Timothee	O
Besset	O
.	O
</s>
<s>
The	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
version	O
was	O
released	O
on	O
March	O
14	O
,	O
2005	O
,	O
and	O
on	O
February	O
20	O
,	O
2006	O
,	O
the	O
patch	O
1.3	O
Rev	O
A	O
included	O
a	O
universal	B-Operating_System
binary	I-Operating_System
,	O
adding	O
support	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
on	O
the	O
x86	B-Operating_System
architecture	I-Operating_System
.	O
</s>
<s>
Finally	O
,	O
the	O
modified	O
Xbox	B-Application
conversion	O
was	O
released	O
on	O
April	O
3	O
,	O
2005	O
,	O
featuring	O
a	O
limited	O
steel	O
book	O
edition	O
and	O
two	O
games	O
including	O
The	B-Application
Ultimate	I-Application
Doom	I-Application
and	O
Doom	B-Application
II	I-Application
:	I-Application
Hell	I-Application
on	I-Application
Earth	I-Application
.	O
</s>
<s>
A	O
week	O
before	O
the	O
game	O
's	O
release	O
,	O
it	O
became	O
known	O
that	O
an	O
agreement	O
to	O
include	O
EAX	O
audio	O
technology	O
in	O
Doom	B-Application
3	I-Application
reached	O
by	O
id	O
Software	O
and	O
Creative	O
Labs	O
was	O
heavily	O
influenced	O
by	O
a	O
software	O
patent	O
owned	O
by	O
the	O
latter	O
company	O
.	O
</s>
<s>
During	O
the	O
keynote	O
address	O
at	O
QuakeCon	O
2011	O
,	O
John	O
Carmack	O
announced	O
that	O
the	O
source	O
code	O
for	O
the	O
Doom	B-Application
3	I-Application
engine	I-Application
would	O
be	O
released	O
.	O
</s>
<s>
The	O
source	O
code	O
was	O
open-sourced	O
under	O
the	O
GNU	B-License
GPL-3.0-or-later	I-License
on	O
November	O
22	O
,	O
2011	O
.	O
</s>
<s>
On	O
April	O
3	O
,	O
2005	O
,	O
eight	O
months	O
after	O
the	O
release	O
of	O
Doom	B-Application
3	I-Application
,	O
id	O
Software	O
released	O
an	O
expansion	O
pack	O
for	O
Doom	B-Application
3	I-Application
on	O
Windows	B-Application
.	O
</s>
<s>
The	O
expansion	O
,	O
entitled	O
Resurrection	B-Application
of	I-Application
Evil	I-Application
,	O
was	O
developed	O
by	O
Nerve	O
Software	O
,	O
a	O
company	O
that	O
had	O
partnered	O
with	O
id	O
Software	O
on	O
several	O
other	O
projects	O
,	O
including	O
Return	B-Application
to	I-Application
Castle	I-Application
Wolfenstein	I-Application
and	O
the	O
Xbox	B-Application
conversion	O
of	O
Doom	B-Application
.	O
</s>
<s>
Once	O
again	O
published	O
by	O
Activision	O
,	O
a	O
Linux	B-Application
version	O
was	O
released	O
on	O
May	O
24	O
,	O
2005	O
,	O
and	O
an	O
Xbox	B-Application
version	O
followed	O
on	O
October	O
5	O
,	O
2005	O
.	O
</s>
<s>
Multiplayer	O
gameplay	O
was	O
enhanced	O
,	O
officially	O
increasing	O
the	O
player	O
limit	O
to	O
eight	O
and	O
adding	O
new	O
game	O
modes	O
such	O
as	O
capture	B-Application
the	I-Application
flag	I-Application
.	O
</s>
<s>
Resurrection	O
of	O
Evils	O
reception	O
was	O
not	O
as	O
positive	O
as	O
it	O
had	O
been	O
for	O
Doom	B-Application
3	I-Application
,	O
but	O
still	O
received	O
generally	O
favorable	O
reviews	O
from	O
the	O
industry	O
's	O
critics	O
.	O
</s>
<s>
In	O
2009	O
,	O
Escalation	O
Studios	O
released	O
a	O
spin-off	O
of	O
Doom	B-Application
3	I-Application
for	O
iOS	B-Application
called	O
Doom	B-Application
:	O
Resurrection	O
.	O
</s>
<s>
It	O
is	O
a	O
rail	O
shooter	O
much	O
like	O
Time	B-Application
Crisis	I-Application
or	O
The	B-Application
House	I-Application
of	I-Application
The	I-Application
Dead	I-Application
.	O
</s>
<s>
It	O
was	O
removed	O
from	O
the	O
App	B-Application
Store	I-Application
a	O
few	O
years	O
later	O
.	O
</s>
<s>
A	O
re-release	O
of	O
Doom	B-Application
3	I-Application
called	O
Doom	B-Application
3	I-Application
:	I-Application
BFG	I-Application
Edition	I-Application
,	O
published	O
by	O
Bethesda	O
Softworks	O
,	O
was	O
released	O
on	O
October	O
15	O
,	O
2012	O
,	O
in	O
Australia	O
,	O
October	O
16	O
,	O
2012	O
,	O
in	O
North	O
America	O
and	O
October	O
19	O
,	O
2012	O
,	O
in	O
Europe	O
.	O
</s>
<s>
The	O
BFG	O
Edition	O
features	O
enhanced	O
graphics	O
,	O
better	O
sound	O
with	O
more	O
horror	O
effects	O
,	O
a	O
checkpoint	O
save	O
system	O
,	O
support	O
for	O
3D	O
displays	O
and	O
HMDs	B-General_Concept
,	O
and	O
the	O
ability	O
to	O
use	O
the	O
flashlight	O
while	O
holding	O
a	O
weapon	O
,	O
in	O
the	O
form	O
of	O
the	O
so-called	O
"	O
armor-mounted	O
flashlight	O
"	O
.	O
</s>
<s>
Also	O
included	O
are	O
the	O
previous	O
expansion	O
pack	O
Resurrection	B-Application
of	I-Application
Evil	I-Application
,	O
a	O
new	O
single-player	O
expansion	O
called	O
The	O
Lost	O
Mission	O
,	O
and	O
copies	O
of	O
the	O
original	O
Doom	B-Application
(	O
the	B-Application
Ultimate	I-Application
Doom	I-Application
edition	O
with	O
the	O
add-on	O
fourth	O
episode	O
,	O
Thy	B-Application
Flesh	I-Application
Consumed	I-Application
)	O
and	O
Doom	B-Application
II	I-Application
(	O
with	O
the	O
expansion	O
No	O
Rest	O
for	O
the	O
Living	O
,	O
previously	O
available	O
only	O
for	O
the	O
Xbox	B-Application
360	O
)	O
.	O
</s>
<s>
The	O
versions	O
of	O
Doom	B-Application
and	O
Doom	B-Application
II	I-Application
released	O
with	O
the	O
BFG	O
Edition	O
have	O
undergone	O
some	O
degree	O
of	O
censorship	O
.	O
</s>
<s>
PC	O
versions	O
of	O
Doom	B-Application
3	I-Application
:	I-Application
BFG	I-Application
Edition	I-Application
other	O
than	O
the	O
GOG.com	O
release	O
require	O
the	O
Steam	B-Application
client	I-Application
and	O
a	O
valid	O
Steam	B-Application
account	O
for	O
installation	O
,	O
play	O
and	O
achievements	O
.	O
</s>
<s>
Doom	B-Application
3	I-Application
received	O
a	O
favorable	O
reception	O
from	O
critics	O
,	O
with	O
the	O
PC	O
version	O
of	O
the	O
game	O
holding	O
an	O
87	O
percent	O
score	O
and	O
an	O
88	O
percent	O
score	O
at	O
the	O
review	O
compilation	O
sites	O
Metacritic	O
and	O
GameRankings	O
respectively	O
.	O
</s>
<s>
Much	O
praise	O
was	O
given	O
to	O
the	O
quality	O
of	O
Doom	B-Application
3s	I-Application
graphics	O
and	O
presentation	O
;	O
GameSpot	O
described	O
the	O
game	O
's	O
environments	O
as	O
"	O
convincingly	O
lifelike	O
,	O
densely	O
atmospheric	O
,	O
and	O
surprisingly	O
expansive	O
"	O
,	O
while	O
PC	O
Gamer	O
UK	O
described	O
the	O
graphics	O
and	O
non-player	O
character	O
modeling	O
and	O
animation	O
as	O
simply	O
"	O
flawless	O
"	O
,	O
stating	O
that	O
Doom	B-Application
3	I-Application
signalled	O
the	O
return	O
of	O
the	O
Doom	B-Application
franchise	O
to	O
the	O
forefront	O
of	O
the	O
computer	O
and	O
video	O
game	O
industry	O
,	O
eleven	O
years	O
after	O
the	O
release	O
of	O
the	O
original	O
Doom	B-Application
.	O
</s>
<s>
IGNs	O
Dan	O
Adams	O
noted	O
that	O
the	O
game	O
's	O
presentation	O
comprised	O
a	O
remarkably	O
high	O
proportion	O
of	O
the	O
game	O
,	O
stating	O
that	O
"	O
without	O
the	O
atmosphere	O
,	O
Doom	B-Application
3	I-Application
is	O
a	O
plain	O
shooter	O
that	O
hearkens	O
back	O
to	O
those	O
of	O
the	O
'	O
90s.	O
"	O
</s>
<s>
A	O
number	O
of	O
reviewers	O
also	O
praised	O
the	O
attention	O
paid	O
to	O
the	O
game	O
's	O
premise	O
and	O
setting	O
;	O
GameSpot	O
's	O
Greg	O
Kasavin	O
described	O
getting	O
"	O
the	O
impression	O
that	O
Doom	B-Application
3	I-Application
takes	O
place	O
in	O
a	O
fully	O
realized	O
world	O
"	O
while	O
IGN	O
noted	O
that	O
"	O
the	O
UAC	O
base	O
also	O
has	O
a	O
very	O
worn	O
and	O
lived-in	O
feel	O
that	O
adds	O
to	O
the	O
realism.	O
"	O
</s>
<s>
Eurogamer	O
in	O
particular	O
pointed	O
out	O
that	O
the	O
game	O
's	O
opening	O
sequence	O
"	O
feels	O
like	O
a	O
fitting	O
tribute	O
to	O
the	O
excellent	O
ideas	O
"	O
of	O
Valve	O
's	O
genre-defining	O
Half-Life	B-Application
.	O
</s>
<s>
Many	O
reviewers	O
noted	O
that	O
Doom	B-Application
3	I-Application
stuck	O
with	O
a	O
similar	O
"	O
run	O
and	O
gun	O
"	O
gameplay	O
style	O
that	O
was	O
successful	O
with	O
its	O
predecessors	O
,	O
and	O
the	O
game	O
was	O
alternately	O
praised	O
and	O
criticized	O
for	O
this	O
element	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
game	O
's	O
artificial	B-Application
intelligence	I-Application
was	O
not	O
regarded	O
as	O
particularly	O
challenging	O
,	O
with	O
GameSpot	O
noting	O
that	O
"	O
enemies	O
follow	O
the	O
same	O
sorts	O
of	O
predictable	O
patterns	O
that	O
 [ players ] 	O
may	O
remember	O
from	O
previous	O
Doom	B-Application
games	I-Application
"	O
while	O
GameSpy	O
stated	O
the	O
way	O
enemies	O
would	O
spawn	O
to	O
attack	O
the	O
player	O
was	O
"	O
gimmicky	O
"	O
;	O
the	O
reviewer	O
noted	O
that	O
players	O
would	O
realize	O
that	O
picking	O
up	O
a	O
lone	O
armor	O
vest	O
would	O
cause	O
a	O
variety	O
of	O
zombies	O
to	O
emerge	O
from	O
hidden	O
compartments	O
in	O
the	O
dark	O
.	O
</s>
<s>
Finally	O
,	O
the	O
game	O
's	O
multiplayer	O
was	O
seen	O
as	O
lacking	O
in	O
innovation	O
,	O
with	O
its	O
low	O
player	O
limits	O
and	O
small	O
number	O
of	O
game	O
modes	O
,	O
particularly	O
in	O
contrast	O
to	O
id	O
Software	O
's	O
influential	O
Quake	B-Application
III	I-Application
Arena	I-Application
.	O
</s>
<s>
The	O
Xbox	B-Application
version	O
of	O
Doom	B-Application
3	I-Application
received	O
a	O
similar	O
level	O
of	O
critical	O
support	O
,	O
holding	O
a	O
score	O
of	O
88	O
percent	O
on	O
Metacritic	O
and	O
an	O
87.7	O
percent	O
score	O
on	O
GameRankings	O
.	O
</s>
<s>
However	O
,	O
some	O
criticism	O
was	O
directed	O
towards	O
slowdowns	O
in	O
play	O
due	O
to	O
the	O
game	O
engine	O
,	O
despite	O
being	O
scaled	O
down	O
for	O
the	O
Xbox	B-Application
,	O
still	O
being	O
demanding	O
on	O
the	O
Xbox	B-Application
hardware	O
.	O
</s>
<s>
GameSpot	O
named	O
Doom	B-Application
3	I-Application
the	O
best	O
computer	O
game	O
of	O
August	O
2004	O
,	O
and	O
later	O
gave	O
the	O
game	O
its	O
annual	O
"	O
Best	O
Graphics	O
,	O
Technical	O
"	O
prize	O
.	O
</s>
<s>
Computer	O
Games	O
Magazine	O
nominated	O
the	O
game	O
for	O
its	O
"	O
Best	O
Technology	O
"	O
award	O
in	O
2005	O
,	O
which	O
ultimately	O
went	O
to	O
Half-Life	B-Application
2	I-Application
.	O
</s>
<s>
Doom	B-Application
3	I-Application
was	O
a	O
commercial	O
success	O
for	O
id	O
Software	O
.	O
</s>
<s>
By	O
the	O
beginning	O
of	O
2007	O
,	O
over	O
3.5	O
million	O
copies	O
of	O
Doom	B-Application
3	I-Application
had	O
been	O
sold	O
worldwide	O
(	O
compared	O
to	O
2-3	O
million	O
copies	O
sold	O
for	O
the	O
original	O
Doom	B-Application
and	O
2	O
million	O
for	O
Doom	B-Application
II	I-Application
)	O
,	O
making	O
it	O
the	O
most	O
successful	O
project	O
by	O
id	O
Software	O
at	O
the	O
time	O
.	O
</s>
<s>
In	O
early	O
2008	O
,	O
a	O
new	O
series	O
of	O
Doom	B-Application
novels	O
by	O
Matthew	O
J	O
.	O
Costello	O
were	O
published	O
,	O
an	O
author	O
who	O
had	O
worked	O
on	O
the	O
story	O
and	O
scripts	O
for	O
Doom	B-Application
3	I-Application
and	O
Resurrection	B-Application
of	I-Application
Evil	I-Application
;	O
previous	O
Doom	B-Application
novels	O
had	O
expanded	O
the	O
storyline	O
of	O
the	O
original	O
two	O
Doom	B-Application
games	I-Application
.	O
</s>
<s>
The	O
series	O
of	O
books	O
aims	O
to	O
novelize	O
the	O
story	O
of	O
Doom	B-Application
3	I-Application
,	O
with	O
the	O
first	O
installment	O
,	O
Worlds	O
on	O
Fire	O
,	O
published	O
on	O
February	O
26	O
,	O
2008	O
.	O
</s>
<s>
The	O
game	O
engine	O
for	O
Doom	B-Application
3	I-Application
,	O
id	B-Application
Tech	I-Application
4	I-Application
,	O
has	O
been	O
licensed	O
out	O
for	O
the	O
use	O
of	O
other	O
developers	O
,	O
such	O
as	O
in	O
Human	O
Head	O
Studios	O
 '	O
Prey	B-Application
,	O
Raven	O
Software	O
's	O
Quake	B-Application
4	I-Application
,	O
Splash	O
Damage	O
's	O
Enemy	B-Application
Territory	I-Application
:	I-Application
Quake	I-Application
Wars	I-Application
,	O
Raven	O
Software	O
's	O
Wolfenstein	B-Application
,	O
and	O
Splash	O
Damage	O
's	O
Brink	B-Application
;	O
however	O
id	B-Application
Tech	I-Application
4	I-Application
has	O
not	O
been	O
widely	O
licensed	O
compared	O
to	O
Epic	O
Games	O
 '	O
Unreal	B-Operating_System
Engine	I-Operating_System
.	O
</s>
<s>
On	O
November	O
22	O
,	O
2011	O
,	O
the	O
source	O
code	O
of	O
the	O
engine	O
was	O
released	O
under	O
the	O
GNU	B-License
GPL-3.0-or-later	I-License
,	O
but	O
the	O
game	O
's	O
artwork	O
content	O
still	O
remains	O
under	O
the	O
EULA	O
.	O
</s>
<s>
A	O
later	O
source	O
code	O
drop	O
also	O
included	O
the	O
changes	O
made	O
for	O
the	O
BFG	O
Edition	O
,	O
allowing	O
the	O
re-release	O
to	O
potentially	O
be	O
ported	O
to	O
other	O
previously	O
unsupported	O
platforms	O
such	O
as	O
Linux	B-Application
and	O
OS	B-Operating_System
X	I-Operating_System
,	O
and	O
such	O
a	O
port	O
was	O
eventually	O
released	O
.	O
</s>
<s>
Development	O
was	O
announced	O
in	O
2008	O
,	O
then	O
slated	O
to	O
run	O
on	O
the	O
id	B-Application
Tech	I-Application
5	I-Application
engine	I-Application
and	O
initially	O
titled	O
Doom	B-Application
4	I-Application
.	O
</s>
<s>
Titled	O
just	O
Doom	B-Application
and	O
powered	O
by	O
the	O
id	B-Operating_System
Tech	I-Operating_System
6	I-Operating_System
,	O
the	O
game	O
was	O
released	O
in	O
2016	O
by	O
Bethesda	O
Softworks	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Xbox	B-Device
One	I-Device
,	O
and	O
PlayStation	B-Operating_System
4	I-Operating_System
with	O
cross-platform	O
support	O
in	O
its	O
"	O
Snapmap	O
"	O
multiplayer	O
mode	O
.	O
</s>
<s>
A	O
Nintendo	B-Application
Switch	I-Application
version	O
was	O
released	O
in	O
2017	O
.	O
</s>
<s>
It	O
is	O
considered	O
a	O
continuation	O
of	O
the	O
original	O
Doom	B-Application
storyline	O
.	O
</s>
