<s>
The	B-Application
History	I-Application
Channel	I-Application
:	I-Application
Great	I-Application
Battles	I-Application
of	I-Application
Rome	I-Application
is	O
a	O
historical	O
real-time	B-Application
tactics	I-Application
video	O
game	O
developed	O
by	O
Slitherine	O
,	O
released	O
on	O
8	O
June	O
2007	O
by	O
Black	O
Bean	O
Games	O
and	O
the	O
History	O
Channel	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
PlayStation	B-Device
2	I-Device
,	O
and	O
PSP	B-Operating_System
.	O
</s>
<s>
Four	O
other	O
History	O
Channel	O
branded	O
games	O
by	O
Slitherine	O
were	O
released	O
:	O
History	O
:	O
Great	O
Empires	O
–	O
Rome	O
in	O
2009	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
,	O
History	O
:	O
Ice	O
Road	O
Truckers	O
in	O
2010	O
for	O
the	O
PSP	B-Operating_System
,	O
History	O
:	O
Egypt	O
–	O
Engineering	O
an	O
Empire	O
in	O
2010	O
for	O
the	O
DS	B-Device
,	O
PSP	B-Operating_System
,	O
PC	O
,	O
and	O
iOS	B-Application
,	O
and	O
History	O
:	O
Great	O
Battles	O
–	O
Medieval	O
in	O
2010	O
for	O
the	O
PC	O
,	O
PS3	B-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
Android	B-Application
,	O
and	O
iOS	B-Application
.	O
</s>
<s>
The	O
player	O
engages	O
in	O
a	O
number	O
of	O
set	O
battles	O
against	O
a	O
range	O
of	O
enemies	O
from	O
Etruscans	O
,	O
Greeks	O
,	O
Gauls	B-Application
,	O
and	O
Persians	O
.	O
</s>
<s>
Following	O
the	O
completion	O
of	O
the	O
Roman	O
portion	O
of	O
the	O
game	O
,	O
the	O
player	O
is	O
given	O
control	O
of	O
the	O
army	O
of	O
the	O
Celts	B-Algorithm
to	O
command	O
in	O
a	O
number	O
of	O
other	O
battles	O
.	O
</s>
