<s>
XCOM	B-Application
:	I-Application
Enemy	I-Application
Within	I-Application
is	O
an	O
expansion	O
pack	O
for	O
the	O
turn-based	B-Application
tactical	I-Application
video	O
game	O
XCOM	B-Application
:	I-Application
Enemy	I-Application
Unknown	I-Application
.	O
</s>
<s>
XCOM	B-Application
:	I-Application
Enemy	I-Application
Within	I-Application
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
in	O
November	O
2013	O
and	O
received	O
generally	O
favorable	O
reviews	O
from	O
critics	O
.	O
</s>
<s>
In	O
June	O
2014	O
,	O
Feral	O
released	O
both	O
XCOM	B-Application
:	I-Application
Enemy	I-Application
Within	I-Application
and	O
its	O
base	O
game	O
XCOM	B-Application
:	I-Application
Enemy	I-Application
Unknown	I-Application
for	O
Linux	B-Application
.	O
</s>
<s>
The	O
game	O
also	O
came	O
to	O
the	O
iOS	B-Application
App	I-Application
Store	I-Application
and	O
Google	B-Application
Play	I-Application
Store	I-Application
a	O
year	O
after	O
the	O
initial	O
release	O
,	O
on	O
November	O
12	O
,	O
2014	O
.	O
</s>
<s>
On	O
March	O
22	O
,	O
2016	O
,	O
the	O
game	O
was	O
released	O
on	O
the	O
PlayStation	O
Store	O
for	O
PlayStation	B-Device
Vita	I-Device
.	O
</s>
<s>
The	O
Windows	O
,	O
OS	B-Operating_System
X	I-Operating_System
and	O
Linux	B-Application
editions	O
require	O
XCOM	B-Application
:	I-Application
Enemy	I-Application
Unknown	I-Application
to	O
play	O
;	O
Enemy	O
Within	O
was	O
released	O
for	O
Xbox	B-Operating_System
360	I-Operating_System
and	O
PlayStation	B-Operating_System
3	I-Operating_System
as	O
part	O
of	O
the	O
Commander	O
Edition	O
bundle	O
with	O
Enemy	B-Application
Unknown	I-Application
.	O
</s>
<s>
The	O
iOS	B-Application
and	O
Android	B-Application
versions	O
were	O
released	O
as	O
stand-alone	O
apps	O
not	O
requiring	O
the	O
original	O
mobile	O
port	O
of	O
Enemy	B-Application
Unknown	I-Application
to	O
play	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
Vita	I-Device
version	O
is	O
only	O
available	O
bundled	O
with	O
Enemy	B-Application
Unknown	I-Application
under	O
the	O
title	O
,	O
XCOM	B-Application
:	I-Application
Enemy	I-Application
Unknown	I-Application
Plus	O
.	O
</s>
<s>
The	O
gameplay	O
and	O
plot	O
of	O
XCOM	B-Application
:	I-Application
Enemy	I-Application
Within	I-Application
largely	O
remains	O
the	O
same	O
as	O
XCOM	B-Application
:	I-Application
Enemy	I-Application
Unknown	I-Application
with	O
some	O
additional	O
features	O
.	O
</s>
<s>
The	O
Seeker	O
is	O
an	O
airborne	O
squid-like	O
machine	O
with	O
a	O
cloaking	O
device	O
armed	O
with	O
plasma	O
blast	O
as	O
primary	O
weapon	O
.	O
</s>
<s>
XCOM	B-Application
:	I-Application
Enemy	I-Application
Within	I-Application
was	O
originally	O
announced	O
with	O
a	O
scheduled	O
release	O
date	O
of	O
November	O
15	O
,	O
2013	O
.	O
</s>
<s>
XCOM	B-Application
:	I-Application
Enemy	I-Application
Within	I-Application
was	O
released	O
in	O
stores	O
on	O
November	O
12	O
,	O
2013	O
in	O
the	O
US	O
,	O
and	O
November	O
15	O
,	O
2013	O
internationally	O
.	O
</s>
<s>
Long	B-Application
War	I-Application
is	O
a	O
partial	O
conversion	O
mod	O
originally	O
developed	O
for	O
XCOM	B-Application
:	I-Application
Enemy	I-Application
Unknown	I-Application
.	O
</s>
<s>
The	O
mod	O
makes	O
changes	O
to	O
many	O
of	O
the	O
game	O
's	O
existing	O
features	O
,	O
adds	O
entirely	O
new	O
features	O
,	O
and	O
brings	O
back	O
concepts	O
from	O
X-COM	B-Application
:	I-Application
UFO	I-Application
Defense	I-Application
.	O
</s>
<s>
The	O
mod	O
was	O
heavily	O
praised	O
by	O
Enemy	B-Application
Unknown	I-Application
lead	O
designer	O
Jake	O
Solomon	O
and	O
producer	O
Garth	O
DeAngelis	O
.	O
</s>
<s>
XCOM	B-Application
:	I-Application
Enemy	I-Application
Within	I-Application
received	O
generally	O
favorable	O
reviews	O
from	O
critics	O
.	O
</s>
<s>
Although	O
GameSpot''	O
Leif	O
Johnson	O
applauded	O
the	O
game	O
,	O
he	O
was	O
critical	O
of	O
the	O
expansion	O
pack	O
's	O
pricing	O
disparity	O
between	O
PC	O
and	O
consoles	B-Device
:	O
"	O
All	O
of	O
[	O
its	O
content ]	O
is	O
certainly	O
enough	O
for	O
PC	O
players	O
to	O
fork	O
out	O
the	O
$20	O
for	O
the	O
upgrade	O
,	O
but	O
unfortunately	O
,	O
console	O
players	O
face	O
the	O
more	O
daunting	O
task	O
of	O
buying	O
Firaxis	O
 '	O
new	O
creation	O
for	O
almost	O
the	O
price	O
of	O
a	O
new	O
game.	O
"	O
</s>
