<s>
Call	B-Application
of	I-Application
Duty	I-Application
2	I-Application
:	I-Application
Big	I-Application
Red	I-Application
One	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
Treyarch	O
and	O
High	O
Voltage	O
Software	O
and	O
published	O
by	O
Activision	O
for	O
GameCube	B-Application
,	O
PlayStation	B-Device
2	I-Device
and	O
Xbox	B-Operating_System
.	O
</s>
<s>
It	O
is	O
a	O
side-story	O
of	O
the	O
original	O
game	O
Call	B-Application
of	I-Application
Duty	I-Application
2	I-Application
,	O
which	O
was	O
released	O
on	O
PC	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
in	O
the	O
same	O
year	O
.	O
</s>
<s>
Big	O
Red	O
One	O
differs	O
from	O
other	O
games	O
in	O
the	O
Call	B-Application
of	I-Application
Duty	I-Application
franchise	O
in	O
that	O
it	O
focuses	O
on	O
a	O
single	O
Allied	O
formation	O
in	O
World	O
War	O
II	O
:	O
the	O
U.S.	O
Army	O
's	O
1st	O
Infantry	O
Division	O
,	O
which	O
goes	O
by	O
the	O
nickname	O
Big	O
Red	O
One	O
due	O
to	O
their	O
unit	O
patch	O
which	O
features	O
a	O
large	O
,	O
red	O
number	O
one	O
.	O
</s>
<s>
In	O
North	O
America	O
,	O
it	O
was	O
later	O
released	O
as	O
part	O
of	O
a	O
compilation	O
pack	O
entitled	O
Call	B-Application
of	I-Application
Duty	I-Application
:	O
Legacy	O
for	O
the	O
PlayStation	B-Device
2	I-Device
only	O
.	O
</s>
<s>
The	O
pack	O
included	O
Call	B-Application
of	I-Application
Duty	I-Application
:	I-Application
Finest	I-Application
Hour	I-Application
and	O
Big	O
Red	O
One	O
.	O
</s>
<s>
A	O
Collector	O
's	O
Edition	O
was	O
also	O
released	O
for	O
both	O
the	O
Xbox	B-Operating_System
and	O
PlayStation	B-Device
2	I-Device
.	O
</s>
<s>
Call	B-Application
of	I-Application
Duty	I-Application
2	I-Application
:	I-Application
Big	I-Application
Red	I-Application
One	I-Application
is	O
a	O
first-person	O
shooter	O
that	O
has	O
a	O
single-player	O
story	O
mode	O
and	O
a	O
multiplayer	O
mode	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
2	I-Device
version	O
of	O
Big	O
Red	O
One	O
received	O
a	O
"	O
Platinum	O
"	O
sales	O
award	O
from	O
the	O
Entertainment	O
and	O
Leisure	O
Software	O
Publishers	O
Association	O
(	O
ELSPA	O
)	O
,	O
indicating	O
sales	O
of	O
at	O
least	O
300,000	O
copies	O
in	O
the	O
United	O
Kingdom	O
.	O
</s>
