<s>
Unreal	B-Application
Tournament	I-Application
2003	I-Application
is	O
a	O
first-person	O
arena	O
shooter	O
video	O
game	O
developed	O
by	O
Epic	O
Games	O
and	O
Digital	O
Extremes	O
,	O
and	O
published	O
by	O
Infogrames	O
under	O
the	O
Atari	O
brand	O
name	O
.	O
</s>
<s>
The	O
game	O
is	O
part	O
of	O
the	O
Unreal	O
franchise	O
,	O
and	O
is	O
a	O
sequel	O
to	O
1999	O
's	O
Unreal	B-Operating_System
Tournament	I-Operating_System
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
has	O
been	O
widely	O
licensed	O
for	O
games	O
such	O
as	O
the	O
Tom	B-Application
Clancy	I-Application
's	I-Application
Rainbow	I-Application
Six	I-Application
series	O
,	O
Splinter	B-Application
Cell	I-Application
,	O
and	O
America	B-Application
's	I-Application
Army	I-Application
.	O
</s>
<s>
An	O
Xbox	B-Protocol
port	O
,	O
Unreal	B-Application
Championship	I-Application
was	O
released	O
on	O
November	O
12	O
,	O
2002	O
.	O
</s>
<s>
Unreal	B-Application
Tournament	I-Application
2003	I-Application
would	O
be	O
succeeded	O
by	O
Unreal	B-Application
Tournament	I-Application
2004	I-Application
,	O
which	O
was	O
released	O
on	O
March	O
16	O
of	O
that	O
year	O
.	O
</s>
<s>
Capture	B-Application
the	I-Application
Flag	I-Application
:	O
Players	O
must	O
invade	O
the	O
enemies	O
 '	O
base	O
,	O
capture	O
their	O
flag	O
and	O
bring	O
it	O
back	O
to	O
their	O
base	O
in	O
order	O
to	O
score	O
.	O
</s>
<s>
GameSpot	O
named	O
Unreal	B-Application
Tournament	I-Application
2003	I-Application
the	O
best	O
computer	O
game	O
of	O
October	O
2002	O
.	O
</s>
<s>
Unreal	B-Application
Tournament	I-Application
2003	I-Application
won	O
GameSpots	O
annual	O
"	O
Best	O
Graphics	O
(	O
Technical	O
)	O
on	O
PC	O
"	O
award	O
,	O
and	O
was	O
nominated	O
in	O
the	O
"	O
Best	O
Multiplayer	O
Action	O
Game	O
on	O
PC	O
"	O
category	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
Unreal	B-Application
Tournament	I-Application
2003	I-Application
sold	O
360,000	O
copies	O
and	O
earned	O
$13.6	O
million	O
by	O
August	O
2006	O
.	O
</s>
<s>
In	O
its	O
first	O
month	O
,	O
Unreal	B-Application
Tournament	I-Application
2003	I-Application
sold	O
more	O
than	O
800,000	O
copies	O
worldwide	O
.	O
</s>
