<s>
Stalingrad	B-Language
(	O
also	O
known	O
as	O
Great	O
Battles	O
of	O
WWII	O
:	O
Stalingrad	B-Language
)	O
is	O
a	O
2005	O
real-time	B-Application
tactics	I-Application
video	O
game	O
developed	O
by	O
Russian	O
studio	O
DTF	O
Games	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
game	O
is	O
built-up	O
upon	O
Nival	O
Interactive	O
's	O
Enigma	O
Engine	O
that	O
was	O
used	O
in	O
the	O
Blitzkrieg	B-Application
game	O
and	O
is	O
a	O
fully	O
stand-alone	O
product	O
.	O
</s>
<s>
Stalingrad	B-Language
is	O
set	O
during	O
Operation	O
Barbarossa	O
,	O
the	O
invasion	O
of	O
the	O
Soviet	O
Union	O
by	O
Nazi	O
Germany	O
in	O
World	O
War	O
II	O
,	O
and	O
is	O
based	O
around	O
the	O
Battle	O
of	O
Stalingrad	B-Language
between	O
summer	O
1942	O
and	O
early	O
1943	O
.	O
</s>
<s>
The	O
game	O
features	O
two	O
single-player	O
campaigns	O
:	O
one	O
as	O
the	O
Wehrmacht	O
6th	O
Army	O
of	O
Nazi	O
Germany	O
as	O
it	O
invaded	O
and	O
captured	O
the	O
city	O
of	O
Stalingrad	B-Language
,	O
and	O
one	O
as	O
the	O
Red	O
Army	O
of	O
the	O
Soviet	O
Union	O
as	O
it	O
re-captured	O
the	O
city	O
and	O
destroyed	O
the	O
6th	O
Army	O
.	O
</s>
<s>
Unlike	O
real-time	O
strategy	O
games	O
which	O
are	O
similar	O
in	O
design	O
,	O
Stalingrad	B-Language
only	O
allows	O
the	O
player	O
to	O
command	O
pre-existing	O
units	O
already	O
placed	O
on	O
the	O
map	O
-	O
units	O
lost	O
cannot	O
be	O
replaced	O
,	O
as	O
the	O
game	O
does	O
not	O
have	O
a	O
unit	O
creation	O
or	O
base	O
building	O
system	O
.	O
</s>
<s>
The	O
maps	O
used	O
in	O
the	O
campaigns	O
are	O
reproduced	O
from	O
historical	O
tactical	O
maps	O
and	O
aerial	O
photography	O
taken	O
of	O
the	O
Stalingrad	B-Language
area	O
during	O
the	O
period	O
that	O
the	O
campaign	O
covers	O
.	O
</s>
<s>
Stalingrad	B-Language
received	O
largely	O
positive	O
reviews	O
,	O
holding	O
an	O
average	O
score	O
of	O
73%	O
at	O
GameSpot	O
and	O
60.00	O
%	O
at	O
GameRankings	O
.	O
</s>
