<s>
Europa	B-Application
Universalis	I-Application
:	I-Application
Rome	I-Application
is	O
a	O
grand	O
strategy	O
game	O
developed	O
by	O
Paradox	O
Development	O
Studio	O
.	O
</s>
<s>
Published	O
by	O
Paradox	O
Interactive	O
and	O
released	O
in	O
2008	O
,	O
it	O
became	O
the	O
fourth	O
installment	O
in	O
the	O
Europa	B-Application
Universalis	I-Application
series	I-Application
.	O
</s>
<s>
It	O
was	O
the	O
second	O
game	O
to	O
be	O
based	O
on	O
Paradox	O
's	O
Clausewitz	B-Application
Engine	I-Application
.	O
</s>
<s>
Players	O
have	O
a	O
choice	O
of	O
leading	O
any	O
of	O
over	O
53	O
factions	O
,	O
which	O
represent	O
10	O
prominent	O
cultures	O
including	O
Carthaginian	O
,	O
Celtic	B-Algorithm
,	O
Egyptian	O
,	O
Greek	O
,	O
and	O
Roman	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
in	O
April	O
2008	O
,	O
followed	O
by	O
an	O
OS	B-Operating_System
X	I-Operating_System
version	O
ported	O
by	O
Virtual	O
Programming	O
in	O
July	O
.	O
</s>
<s>
Virtual	O
Programming	O
published	O
the	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
version	O
of	O
the	O
Europa	B-Application
Universalis	I-Application
:	I-Application
Rome	I-Application
Gold	O
Edition	O
on	O
23	O
July	O
2010	O
,	O
which	O
includes	O
the	O
Vae	O
Victis	O
expansion	O
pack	O
.	O
</s>
