<s>
Aliens	B-Device
:	I-Device
Colonial	I-Device
Marines	I-Device
is	O
a	O
2013	O
first-person	O
shooter	O
developed	O
by	O
Gearbox	O
Software	O
and	O
published	O
by	O
Sega	O
for	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Windows	O
,	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
Based	O
on	O
the	O
Alien	O
universe	O
and	O
set	O
shortly	O
after	O
the	O
events	O
of	O
James	O
Cameron	O
's	O
1986	O
film	O
Aliens	B-Device
,	O
the	O
game	O
follows	O
a	O
group	O
of	O
Colonial	O
Marines	O
,	O
a	O
fictional	O
military	O
unit	O
,	O
as	O
they	O
confront	O
the	O
Weyland-Yutani	O
corporation	O
in	O
an	O
effort	O
to	O
rescue	O
survivors	O
from	O
the	O
Sulaco	O
spaceship	O
.	O
</s>
<s>
Because	O
Gearbox	O
decided	O
to	O
focus	O
on	O
other	O
projects	O
like	O
Duke	B-Application
Nukem	I-Application
Forever	I-Application
and	O
Borderlands	B-Application
2	I-Application
,	O
they	O
outsourced	O
a	O
significant	O
part	O
of	O
the	O
game	O
to	O
other	O
studios	O
.	O
</s>
<s>
Four	O
downloadable	B-Protocol
content	I-Protocol
packs	O
were	O
released	O
,	O
adding	O
multiplayer	O
maps	O
,	O
a	O
new	O
cooperative	O
mode	O
,	O
and	O
a	O
new	O
campaign	O
mode	O
that	O
takes	O
place	O
before	O
the	O
campaign	O
of	O
the	O
base	O
game	O
.	O
</s>
<s>
Colonial	O
Marines	O
sold	O
more	O
than	O
one	O
million	O
copies	O
in	O
the	O
United	O
States	O
and	O
Europe	O
,	O
but	O
received	O
unfavorable	O
reviews	O
from	O
critics	O
,	O
who	O
criticized	O
its	O
technical	O
problems	O
,	O
low-quality	O
graphics	O
,	O
and	O
weak	O
artificial	B-Application
intelligence	I-Application
of	O
enemies	O
.	O
</s>
<s>
In	O
2017	O
,	O
a	O
modder	B-Device
improved	O
the	O
game	O
's	O
artificial	B-Application
intelligence	I-Application
by	O
correcting	O
an	O
error	O
in	O
the	O
game	O
's	O
code	O
.	O
</s>
<s>
Aliens	B-Device
:	I-Device
Colonial	I-Device
Marines	I-Device
is	O
a	O
first-person	O
shooter	O
based	O
on	O
the	O
Alien	O
science	O
fiction	O
horror	O
film	O
series	O
.	O
</s>
<s>
The	O
game	O
's	O
campaign	O
mode	O
,	O
which	O
can	O
be	O
played	O
by	O
a	O
single	O
player	O
or	O
cooperatively	O
by	O
up	O
to	O
four	O
players	O
,	O
features	O
11	O
missions	O
that	O
involve	O
players	O
moving	O
from	O
one	O
checkpoint	O
to	O
another	O
while	O
fighting	O
opponents	O
controlled	O
by	O
the	O
game	O
's	O
artificial	B-Application
intelligence	I-Application
.	O
</s>
<s>
As	O
the	O
fictional	O
Colonial	O
Marines	O
military	O
unit	O
depicted	O
in	O
James	O
Cameron	O
's	O
1986	O
film	O
Aliens	B-Device
,	O
players	O
have	O
access	O
to	O
weapons	O
such	O
as	O
pistols	O
,	O
shotguns	O
,	O
grenades	O
,	O
pulse	O
rifles	O
,	O
flamethrowers	O
,	O
robotic	O
sentry	O
turrets	O
,	O
and	O
smartguns	O
,	O
which	O
automatically	O
track	O
and	O
target	O
opponents	O
.	O
</s>
<s>
Each	O
scenario	O
involves	O
one	O
team	O
playing	O
as	O
Colonial	O
Marines	O
and	O
the	O
other	O
as	O
Aliens	B-Device
.	O
</s>
<s>
Scenarios	O
include	O
Team	O
Deathmatch	O
,	O
where	O
both	O
teams	O
must	O
kill	O
as	O
many	O
opposing	O
players	O
as	O
possible	O
;	O
Extermination	O
,	O
where	O
Colonial	O
Marines	O
must	O
detonate	O
bombs	O
in	O
egg-infested	O
areas	O
protected	O
by	O
Aliens	B-Device
;	O
Escape	O
,	O
which	O
involves	O
Colonial	O
Marines	O
completing	O
objectives	O
to	O
reach	O
a	O
destination	O
while	O
being	O
assaulted	O
by	O
Aliens	B-Device
;	O
and	O
Survivor	O
,	O
where	O
Colonial	O
Marines	O
must	O
survive	O
attacks	O
from	O
Aliens	B-Device
with	O
limited	O
health	O
and	O
ammunition	O
resources	O
for	O
as	O
long	O
as	O
possible	O
.	O
</s>
<s>
17	O
weeks	O
after	O
the	O
events	O
of	O
Aliens	B-Device
,	O
the	O
Sephora	O
spaceship	O
sends	O
a	O
full	O
battalion	O
of	O
Colonial	O
Marines	O
to	O
investigate	O
the	O
Sulaco	O
spaceship	O
,	O
now	O
in	O
orbit	O
around	O
the	O
LV-426	O
moon	O
.	O
</s>
<s>
In	O
an	O
attempt	O
at	O
saving	O
Clarison	O
,	O
Winter	O
and	O
O'Neal	O
accept	O
the	O
mission	O
and	O
escort	O
her	O
to	O
the	O
facility	O
,	O
where	O
they	O
intend	O
to	O
convince	O
surviving	O
personnel	O
to	O
remove	O
the	O
Xenomorph	O
embryo	B-Application
from	O
her	O
body	O
.	O
</s>
<s>
However	O
,	O
upon	O
arrival	O
,	O
an	O
interrogated	O
Weyland-Yutani	O
medical	O
officer	O
explains	O
to	O
them	O
that	O
Clarison	O
's	O
life	O
cannot	O
be	O
saved	O
because	O
the	O
creature	O
's	O
invasive	O
placenta	O
is	O
cancerous	O
and	O
will	O
eventually	O
kill	O
her	O
even	O
if	O
the	O
embryo	B-Application
is	O
successfully	O
extracted	O
.	O
</s>
<s>
When	O
Brothers	B-Application
in	I-Application
Arms	I-Application
:	I-Application
Road	I-Application
to	I-Application
Hill	I-Application
30	I-Application
was	O
released	O
in	O
2005	O
,	O
Gearbox	O
was	O
interested	O
in	O
working	O
with	O
an	O
existing	O
intellectual	O
property	O
and	O
had	O
previously	O
considered	O
Scott	O
's	O
1982	O
film	O
Blade	B-Application
Runner	I-Application
and	O
Michael	O
Mann	O
's	O
1995	O
film	O
Heat	O
as	O
candidates	O
.	O
</s>
<s>
Because	O
Gearbox	O
had	O
experience	O
with	O
first-person	O
shooters	O
and	O
the	O
development	O
team	O
was	O
composed	O
of	O
people	O
who	O
were	O
fans	O
of	O
Aliens	B-Device
,	O
the	O
company	O
proposed	O
a	O
first-person	O
shooter	O
that	O
would	O
be	O
a	O
direct	O
sequel	O
to	O
it	O
.	O
</s>
<s>
The	O
game	O
takes	O
place	O
shortly	O
after	O
the	O
1992	O
Aliens	B-Device
sequel	O
Alien	B-Application
3	I-Application
,	O
but	O
addresses	O
the	O
events	O
that	O
lead	O
to	O
it	O
.	O
</s>
<s>
Several	O
locations	O
of	O
Aliens	B-Device
like	O
the	O
Sulaco	O
spaceship	O
and	O
the	O
Hadley	O
's	O
Hope	O
colony	O
were	O
recreated	O
for	O
the	O
game	O
.	O
</s>
<s>
The	O
development	O
team	O
also	O
contacted	O
Kodak	O
to	O
get	O
color	B-Algorithm
channel	I-Algorithm
details	O
about	O
the	O
film	O
's	O
film	O
stock	O
.	O
</s>
<s>
Originally	O
,	O
Colonial	O
Marines	O
was	O
intended	O
to	O
feature	O
squad-based	O
gameplay	O
,	O
allowing	O
the	O
player	O
to	O
issue	O
orders	O
to	O
Colonial	O
Marines	O
controlled	O
by	O
the	O
game	O
's	O
artificial	B-Application
intelligence	I-Application
using	O
context-sensitive	B-Application
commands	O
.	O
</s>
<s>
Gearbox	O
chose	O
to	O
develop	O
the	O
game	O
for	O
Windows	O
and	O
the	O
then	O
recently	O
released	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
consoles	O
,	O
stating	O
that	O
their	O
technology	O
would	O
"	O
do	O
[	O
the	O
film ]	O
justice.	O
"	O
</s>
<s>
Between	O
2007	O
and	O
2010	O
,	O
Gearbox	O
did	O
not	O
focus	O
on	O
the	O
development	O
of	O
the	O
game	O
,	O
instead	O
preferring	O
to	O
work	O
on	O
other	O
projects	O
like	O
Borderlands	B-Application
and	O
Duke	B-Application
Nukem	I-Application
Forever	I-Application
,	O
a	O
game	O
that	O
took	O
over	O
a	O
decade	O
to	O
develop	O
.	O
</s>
<s>
The	O
game	O
was	O
built	O
using	O
Epic	O
Games	O
 '	O
Unreal	O
Engine	O
3	O
,	O
but	O
Gearbox	O
spent	O
a	O
considerable	O
amount	O
of	O
preproduction	O
time	O
developing	O
a	O
custom	O
real-time	O
lighting	O
and	O
shadow	O
renderer	O
that	O
is	O
"	O
plugged	O
"	O
into	O
the	O
engine	O
to	O
capture	O
the	O
feel	O
of	O
Aliens	B-Device
.	O
</s>
<s>
Nerve	O
Software	O
,	O
a	O
company	O
that	O
handled	O
the	O
multiplayer	O
of	O
the	O
2001	O
first-person	O
shooter	O
Return	B-Application
to	I-Application
Castle	I-Application
Wolfenstein	I-Application
,	O
built	O
multiplayer	O
maps	O
for	O
the	O
game	O
.	O
</s>
<s>
When	O
Borderlands	B-Application
was	O
released	O
in	O
2009	O
,	O
the	O
game	O
turned	O
out	O
to	O
be	O
a	O
critical	O
and	O
commercial	O
success	O
.	O
</s>
<s>
This	O
led	O
Gearbox	O
to	O
immediately	O
start	O
work	O
on	O
a	O
sequel	O
,	O
Borderlands	B-Application
2	I-Application
,	O
and	O
outsource	O
primary	O
development	O
on	O
Colonial	O
Marines	O
to	O
TimeGate	O
Studios	O
,	O
who	O
was	O
developing	O
Section	B-Application
8	I-Application
:	I-Application
Prejudice	I-Application
at	O
the	O
time	O
.	O
</s>
<s>
Although	O
TimeGate	O
handled	O
primary	O
development	O
on	O
the	O
game	O
until	O
Borderlands	B-Application
2	I-Application
was	O
almost	O
complete	O
in	O
mid-2012	O
,	O
their	O
work	O
had	O
to	O
constantly	O
be	O
approved	O
by	O
both	O
Gearbox	O
and	O
Sega	O
.	O
</s>
<s>
To	O
further	O
complicate	O
the	O
situation	O
,	O
there	O
were	O
disagreements	O
on	O
how	O
the	O
game	O
should	O
be	O
designed	O
;	O
Sega	O
wanted	O
Colonial	O
Marines	O
to	O
be	O
more	O
similar	O
to	O
a	O
Call	B-Application
of	I-Application
Duty	I-Application
game	O
,	O
with	O
fewer	O
Aliens	B-Device
and	O
more	O
Marines	O
to	O
shoot	O
at	O
,	O
a	O
view	O
Gearbox	O
and	O
TimeGate	O
disagreed	O
with	O
.	O
</s>
<s>
The	O
game	O
's	O
shader	O
and	O
particle	O
fidelity	O
were	O
then	O
decreased	O
significantly	O
before	O
release	O
,	O
and	O
textures	O
had	O
to	O
be	O
reduced	O
in	O
size	O
to	O
fit	O
into	O
the	O
memory	O
restraints	O
of	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
When	O
Gearbox	O
took	O
the	O
project	O
back	O
in	O
mid-2012	O
,	O
the	O
company	O
was	O
not	O
satisfied	O
with	O
TimeGate	O
's	O
work	O
,	O
partially	O
because	O
the	O
game	O
could	O
not	O
run	O
on	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
.	O
</s>
<s>
A	O
moderator	O
on	O
the	O
official	O
TimeGate	O
forum	O
revealed	O
that	O
the	O
studio	O
worked	O
on	O
the	O
weapons	O
,	O
characters	O
,	O
Aliens	B-Device
,	O
story	O
,	O
and	O
multiplayer	O
component	O
,	O
while	O
some	O
TimeGate	O
developers	O
estimated	O
that	O
50	O
percent	O
of	O
the	O
campaign	O
mode	O
in	O
the	O
released	O
game	O
was	O
made	O
by	O
them	O
.	O
</s>
<s>
The	O
soundtrack	O
was	O
composed	O
by	O
Kevin	O
Riepl	O
,	O
who	O
is	O
best	O
known	O
for	O
his	O
work	O
on	O
numerous	O
independent	O
films	O
and	O
the	O
Gears	B-Application
of	I-Application
War	I-Application
series	O
.	O
</s>
<s>
Because	O
the	O
story	O
of	O
the	O
game	O
is	O
canonical	O
,	O
Riepl	O
's	O
score	O
was	O
heavily	O
influenced	O
by	O
Jerry	O
Goldsmith	O
's	O
work	O
on	O
Alien	O
and	O
James	O
Horner	O
's	O
work	O
on	O
Aliens	B-Device
.	O
</s>
<s>
Although	O
the	O
game	O
shares	O
the	O
same	O
title	O
as	O
a	O
canceled	O
2002	O
PlayStation	B-Device
2	I-Device
project	O
by	O
Electronic	O
Arts	O
and	O
Fox	O
Interactive	O
that	O
would	O
feature	O
a	O
similar	O
setting	O
and	O
subject	O
matter	O
,	O
the	O
game	O
is	O
completely	O
unrelated	O
to	O
it	O
.	O
</s>
<s>
At	O
the	O
2011	O
Electronic	O
Entertainment	O
Expo	O
in	O
Los	O
Angeles	O
,	O
after	O
confirming	O
that	O
Colonial	O
Marines	O
would	O
be	O
released	O
in	O
spring	O
2012	O
,	O
Gearbox	O
unveiled	O
a	O
teaser	O
trailer	O
and	O
revealed	O
that	O
a	O
Wii	B-Device
U	I-Device
version	O
was	O
in	O
development	O
.	O
</s>
<s>
In	O
May	O
2012	O
,	O
the	O
game	O
was	O
delayed	O
one	O
last	O
time	O
,	O
with	O
Gearbox	O
stating	O
that	O
Colonial	O
Marines	O
would	O
launch	O
for	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Windows	O
,	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
on	O
February	O
12	O
,	O
2013	O
,	O
while	O
the	O
Wii	B-Device
U	I-Device
version	O
would	O
follow	O
later	O
.	O
</s>
<s>
Shortly	O
after	O
the	O
game	O
's	O
release	O
,	O
Gearbox	O
released	O
a	O
patch	O
that	O
fixed	O
numerous	O
campaign	O
and	O
multiplayer	O
bugs	B-Error_Name
and	O
offered	O
various	O
visual	O
improvements	O
.	O
</s>
<s>
The	O
Wii	B-Device
U	I-Device
version	O
,	O
which	O
was	O
being	O
handled	O
by	O
Demiurge	O
,	O
was	O
canceled	O
in	O
April	O
2013	O
.	O
</s>
<s>
Colonial	O
Marines	O
supports	O
additional	O
in-game	O
content	O
in	O
the	O
form	O
of	O
downloadable	B-Protocol
content	I-Protocol
packs	O
.	O
</s>
<s>
Between	O
March	O
and	O
July	O
2013	O
,	O
four	O
downloadable	B-Protocol
content	I-Protocol
packs	O
were	O
released	O
for	O
the	O
game	O
.	O
</s>
<s>
The	O
first	O
pack	O
,	O
Bug	B-Error_Name
Hunt	O
,	O
was	O
released	O
on	O
March	O
19	O
,	O
2013	O
,	O
and	O
adds	O
a	O
new	O
cooperative	O
mode	O
that	O
involves	O
up	O
to	O
four	O
players	O
fighting	O
increasingly	O
larger	O
waves	O
of	O
Xenomorphs	O
and	O
hostile	O
soldiers	O
across	O
three	O
new	O
maps	O
.	O
</s>
<s>
The	O
fourth	O
and	O
final	O
pack	O
,	O
Stasis	O
Interrupted	O
,	O
was	O
released	O
on	O
July	O
23	O
,	O
2013	O
,	O
and	O
adds	O
a	O
new	O
campaign	O
mode	O
that	O
takes	O
place	O
before	O
the	O
campaign	O
of	O
the	O
base	O
game	O
,	O
exploring	O
what	O
happened	O
to	O
Hicks	O
between	O
Aliens	B-Device
and	O
Alien	B-Application
3	I-Application
.	O
</s>
<s>
Stasis	O
Interrupted	O
also	O
adds	O
several	O
new	O
achievements	O
for	O
players	O
to	O
unlock	O
,	O
which	O
were	O
initially	O
leaked	O
via	O
a	O
list	O
of	O
PlayStation	B-Operating_System
3	I-Operating_System
Trophies	B-Device
.	O
</s>
<s>
According	O
to	O
a	O
report	O
,	O
both	O
Demiurge	O
and	O
Nerve	O
were	O
in	O
charge	O
of	O
developing	O
the	O
downloadable	B-Protocol
content	I-Protocol
packs	O
for	O
the	O
game	O
,	O
but	O
it	O
was	O
not	O
confirmed	O
if	O
they	O
contributed	O
to	O
the	O
development	O
of	O
Stasis	O
Interrupted	O
.	O
</s>
<s>
Writing	O
for	O
IGN	O
,	O
editor	O
Tristan	O
Ogilvie	O
remarked	O
that	O
,	O
although	O
Colonial	O
Marines	O
looks	O
and	O
sounds	O
like	O
Aliens	B-Device
,	O
it	O
does	O
not	O
feel	O
like	O
it	O
and	O
does	O
not	O
bring	O
anything	O
new	O
to	O
the	O
first-person	O
shooter	O
genre	O
.	O
</s>
<s>
The	O
game	O
was	O
criticized	O
for	O
having	O
low-resolution	O
textures	O
,	O
low-quality	O
lighting	O
,	O
poor	O
character	O
models	O
and	O
animations	O
,	O
and	O
uncontrolled	O
aliasing	B-Error_Name
and	O
screen	O
tearing	O
.	O
</s>
<s>
However	O
,	O
the	O
Aliens	B-Device
aesthetic	O
was	O
praised	O
by	O
some	O
reviewers	O
,	O
with	O
Edge	O
noting	O
that	O
it	O
was	O
reproduced	O
faithfully	O
in	O
the	O
game	O
and	O
that	O
it	O
was	O
still	O
attractive	O
years	O
after	O
the	O
film	O
was	O
released	O
.	O
</s>
<s>
The	O
game	O
's	O
numerous	O
bugs	B-Error_Name
frustrated	O
critics	O
.	O
</s>
<s>
These	O
included	O
poor	O
collision	O
detection	O
and	O
glitchy	O
artificial	B-Application
intelligence	I-Application
,	O
causing	O
enemies	O
to	O
freeze	B-General_Concept
or	O
fail	O
to	O
recognize	O
each	O
other	O
.	O
</s>
<s>
Technically	O
,	O
the	O
PC	O
version	O
was	O
considered	O
more	O
polished	O
than	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
versions	O
.	O
</s>
<s>
Destructoid	O
editor	O
Jim	O
Sterling	O
criticized	O
the	O
story	O
for	O
its	O
archetypal	O
characters	O
and	O
immature	O
dialogue	O
,	O
stating	O
that	O
the	O
game	O
fails	O
to	O
understand	O
the	O
essence	O
of	O
Aliens	B-Device
.	O
</s>
<s>
Journalists	O
primarily	O
criticized	O
the	O
gameplay	O
for	O
the	O
weak	O
artificial	B-Application
intelligence	I-Application
of	O
enemies	O
.	O
</s>
<s>
VanOrd	O
explained	O
that	O
additional	O
players	O
do	O
not	O
take	O
the	O
role	O
of	O
companions	O
that	O
are	O
controlled	O
by	O
the	O
game	O
's	O
artificial	B-Application
intelligence	I-Application
,	O
but	O
are	O
simply	O
added	O
to	O
the	O
game	O
,	O
resulting	O
in	O
crowded	O
matches	O
with	O
players	O
fighting	O
for	O
space	O
and	O
trying	O
to	O
shoot	O
enemies	O
.	O
</s>
<s>
On	O
both	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
and	O
PlayStation	B-Operating_System
3	I-Operating_System
individual	O
charts	O
,	O
the	O
game	O
also	O
reached	O
the	O
top	O
position	O
.	O
</s>
<s>
According	O
to	O
GfK	O
Chart-Track	O
,	O
it	O
was	O
the	O
biggest	O
release	O
of	O
the	O
year	O
in	O
the	O
United	O
Kingdom	O
and	O
held	O
the	O
second	O
highest	O
first-week	O
sales	O
for	O
an	O
Alien	O
game	O
since	O
Sega	O
's	O
2010	O
title	O
Aliens	B-Device
vs	O
.	O
</s>
<s>
According	O
to	O
a	O
report	O
,	O
Gearbox	O
had	O
been	O
moving	O
people	O
and	O
resources	O
off	O
Colonial	O
Marines	O
onto	O
Borderlands	B-Application
and	O
Duke	B-Application
Nukem	I-Application
Forever	I-Application
while	O
still	O
collecting	O
full	O
payments	O
from	O
Sega	O
as	O
if	O
they	O
were	O
working	O
on	O
the	O
game	O
.	O
</s>
<s>
The	O
demos	O
,	O
described	O
as	O
"	O
actual	O
gameplay	O
"	O
by	O
Gearbox	O
CEO	O
Randy	O
Pitchford	O
,	O
were	O
said	O
to	O
feature	O
graphical	O
fidelity	O
,	O
artificial	B-Application
intelligence	I-Application
,	O
and	O
levels	O
not	O
featured	O
in	O
the	O
game	O
.	O
</s>
<s>
In	O
2017	O
,	O
a	O
modder	B-Device
discovered	O
a	O
typographical	O
error	O
in	O
the	O
game	O
's	O
code	O
.	O
</s>
<s>
Fixing	O
this	O
error	O
notably	O
improved	O
the	O
artificial	B-Application
intelligence	I-Application
of	O
enemies	O
.	O
</s>
