<s>
BlackSite	B-Application
:	I-Application
Area	I-Application
51	I-Application
(	O
released	O
in	O
Europe	O
and	O
Australia	O
as	O
BlackSite	B-Application
)	O
is	O
a	O
first-person	O
shooter	O
video	O
game	O
,	O
released	O
for	O
Xbox	B-Operating_System
360	I-Operating_System
and	O
Microsoft	B-Application
Windows	I-Application
on	O
November	O
12	O
,	O
2007	O
in	O
North	O
America	O
,	O
and	O
PlayStation	B-Operating_System
3	I-Operating_System
on	O
December	O
10	O
,	O
2007	O
.	O
</s>
<s>
The	O
game	O
is	O
mostly	O
unrelated	O
to	O
the	O
2005	O
multi-platform	O
game	O
Area	B-Device
51	I-Device
.	O
</s>
<s>
BlackSite	B-Application
:	I-Application
Area	I-Application
51	I-Application
features	O
first-person	O
shooter	O
gameplay	O
.	O
</s>
<s>
The	O
multiplayer	O
features	O
modes	O
such	O
as	O
Deathmatch	O
,	O
Team	O
Deathmatch	O
,	O
Capture	B-Application
the	I-Application
flag	I-Application
,	O
Siege	O
,	O
and	O
Human	O
VS.	O
Reborn	O
.	O
</s>
<s>
Captain	O
Aeran	O
Pierce	O
and	O
the	O
rest	O
of	O
his	O
Delta	B-Application
Force	I-Application
Echo	O
Squad	O
are	O
sent	O
to	O
investigate	O
a	O
supposed	O
weapons	O
bunker	O
in	O
Iraq	O
in	O
2003	O
.	O
</s>
<s>
Three	O
years	O
later	O
,	O
a	O
heavily	O
armed	O
militia	O
has	O
taken	O
control	O
of	O
Area	B-Device
51	I-Device
and	O
the	O
surrounding	O
area	O
,	O
accompanied	O
by	O
an	O
outbreak	O
of	O
alien	O
creatures	O
identical	O
to	O
those	O
encountered	O
in	O
Iraq	O
.	O
</s>
<s>
Back	O
at	O
base	O
,	O
they	O
find	O
out	O
that	O
Weis	O
was	O
in	O
charge	O
of	O
the	O
Reborn	O
program	O
,	O
but	O
it	O
was	O
shut	O
down	O
years	O
ago	O
and	O
the	O
soldiers	O
sealed	O
in	O
Area	B-Device
51	I-Device
.	O
</s>
<s>
After	O
being	O
revealed	O
as	O
the	O
Reborn	O
leader	O
,	O
Somers	O
betrays	O
Echo	O
Squad	O
and	O
retreats	O
back	O
to	O
Area	B-Device
51	I-Device
as	O
the	O
Xenos	O
and	O
Reborn	O
attack	O
the	O
base	O
.	O
</s>
<s>
Echo	O
Squad	O
successfully	O
repels	O
the	O
attack	O
,	O
then	O
joins	O
another	O
military	O
division	O
in	O
an	O
assault	O
on	O
Area	B-Device
51	I-Device
.	O
</s>
<s>
Inside	O
Area	B-Device
51	I-Device
,	O
Pierce	O
discovers	O
that	O
the	O
Xenos	O
were	O
actually	O
created	O
by	O
spores	O
emitted	O
by	O
the	O
alien	O
device	O
,	O
and	O
that	O
Somers	O
is	O
using	O
the	O
device	O
to	O
spread	O
the	O
spores	O
across	O
the	O
surface	O
of	O
Earth	O
.	O
</s>
<s>
On	O
May	O
11	O
,	O
2007	O
,	O
a	O
demo	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
was	O
released	O
on	O
the	O
Xbox	B-Operating_System
Live	O
Marketplace	O
.	O
</s>
<s>
A	O
second	O
demo	O
was	O
released	O
onto	O
Xbox	B-Operating_System
Live	O
Marketplace	O
,	O
a	O
week	O
after	O
the	O
game	O
's	O
release	O
.	O
</s>
<s>
The	O
game	O
received	O
mixed	O
or	O
average	O
reviews	O
on	O
all	O
platforms	O
according	O
to	O
video	O
game	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
