<s>
Unreal	B-Operating_System
Tournament	I-Operating_System
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
</s>
<s>
The	O
second	O
installment	O
in	O
the	O
Unreal	B-Application
series	O
,	O
it	O
was	O
first	O
published	O
by	O
GT	O
Interactive	O
in	O
1999	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
later	O
released	O
on	O
the	O
PlayStation	B-Device
2	I-Device
and	O
Dreamcast	B-Operating_System
by	O
Infogrames	O
in	O
2000	O
and	O
2001	O
,	O
respectively	O
.	O
</s>
<s>
The	O
PC	O
and	O
Dreamcast	B-Operating_System
versions	O
support	O
multiplayer	O
online	B-Application
or	O
over	O
a	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
.	O
</s>
<s>
Free	O
expansion	O
packs	O
were	O
released	O
,	O
some	O
of	O
which	O
were	O
bundled	O
with	O
a	O
2000	O
re-release	O
:	O
Unreal	B-Application
Tournament	I-Application
:	I-Application
Game	I-Application
of	I-Application
the	I-Application
Year	I-Application
Edition	I-Application
.	O
</s>
<s>
Powered	O
by	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
received	O
universal	O
acclaim	O
,	O
often	O
being	O
considered	O
one	O
of	O
the	O
greatest	O
video	O
games	O
ever	O
made	O
,	O
with	O
reviewers	O
praising	O
the	O
graphics	O
,	O
level	O
design	O
and	O
gameplay	O
,	O
though	O
the	O
console	O
ports	O
were	O
noted	O
for	O
having	O
limitations	O
.	O
</s>
<s>
The	O
design	O
of	O
the	O
game	O
shifted	O
the	O
series	O
 '	O
focus	O
to	O
competitive	O
multiplayer	O
action	O
with	O
the	O
releases	O
of	O
sequels	O
Unreal	B-Application
Tournament	I-Application
2003	I-Application
in	O
2002	O
,	O
Unreal	B-Application
Tournament	I-Application
2004	I-Application
in	O
2004	O
,	O
and	O
Unreal	B-Application
Tournament	I-Application
3	I-Application
in	O
2007	O
.	O
</s>
<s>
Unreal	B-Operating_System
Tournament	I-Operating_System
is	O
an	O
arena	O
first-person	O
shooter	O
,	O
with	O
head-to-head	O
multiplayer	O
deathmatches	O
being	O
the	O
primary	O
focus	O
of	O
the	O
game	O
.	O
</s>
<s>
The	O
game	O
is	O
backwards	O
compatible	O
with	O
the	O
majority	O
of	O
Unreal	B-Application
multiplayer	O
maps	O
.	O
</s>
<s>
The	O
PC	O
version	O
includes	O
a	O
level	O
editor	O
in	O
which	O
players	O
can	O
create	O
their	O
own	O
levels	O
,	O
and	O
the	O
PlayStation	B-Device
2	I-Device
version	O
supports	O
the	O
use	O
of	O
a	O
USB	B-Protocol
keyboard	O
and	O
mouse	O
,	O
enabling	O
players	O
to	O
play	O
in	O
a	O
similar	O
manner	O
to	O
the	O
PC	O
version	O
.	O
</s>
<s>
The	O
PC	O
version	O
supports	O
multiplayer	O
mode	O
over	O
the	O
internet	O
or	O
a	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
(	O
the	O
original	O
Unreal	B-Application
was	O
mainly	O
a	O
single-player	O
game	O
)	O
.	O
</s>
<s>
The	B-Operating_System
Dreamcast	I-Operating_System
version	O
does	O
not	O
feature	O
this	O
mode	O
.	O
</s>
<s>
Capture	B-Application
the	I-Application
Flag	I-Application
:	O
Players	O
compete	O
to	O
capture	O
the	O
other	O
team	O
's	O
flag	O
and	O
return	O
it	O
to	O
their	O
base	O
.	O
</s>
<s>
With	O
a	O
budget	O
of	O
$2	O
million	O
,	O
using	O
350,000	O
lines	O
of	O
C++	B-Language
and	O
UnrealScript	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
took	O
around	O
a	O
year	O
and	O
a	O
half	O
to	O
develop	O
.	O
</s>
<s>
When	O
Unreal	B-Application
(	O
the	O
first	O
installment	O
of	O
the	O
Unreal	B-Application
series	O
)	O
was	O
released	O
in	O
May	O
1998	O
,	O
it	O
was	O
well	O
received	O
by	O
the	O
press	O
.	O
</s>
<s>
In	O
the	O
months	O
following	O
Unreals	B-Application
release	O
,	O
improving	O
the	O
game	O
's	O
multiplayer	O
part	O
became	O
the	O
top	O
priority	O
of	O
the	O
development	O
team	O
.	O
</s>
<s>
During	O
the	O
development	O
of	O
Unreal	B-Application
,	O
the	O
team	O
members	O
at	O
Digital	O
Extremes	O
were	O
working	O
in	O
Ontario	B-Architecture
,	O
Canada	O
,	O
while	O
the	O
members	O
at	O
Epic	O
were	O
based	O
in	O
North	O
Carolina	O
,	O
United	O
States	O
,	O
requiring	O
regular	O
travel	O
to	O
Ontario	B-Architecture
.	O
</s>
<s>
Lead	O
programmer	O
Steve	O
Polge	O
set	O
about	O
laying	O
the	O
foundations	O
for	O
the	O
new	O
game	O
types	O
,	O
such	O
as	O
Capture	B-Application
the	I-Application
Flag	I-Application
and	O
Domination	O
,	O
and	O
level	O
designers	O
created	O
the	O
first	O
round	O
of	O
maps	O
for	O
testing	O
.	O
</s>
<s>
The	O
team	O
was	O
reticent	O
at	O
first	O
,	O
but	O
soon	O
accepted	O
the	O
idea	O
,	O
and	O
in	O
December	O
the	O
game	O
became	O
known	O
internally	O
as	O
Unreal	B-Application
:	O
Tournament	O
Edition	O
.	O
</s>
<s>
The	O
development	O
team	O
for	O
Unreal	B-Operating_System
Tournament	I-Operating_System
consisted	O
of	O
around	O
16	O
people	O
.	O
</s>
<s>
Most	O
team	O
members	O
had	O
worked	O
on	O
Unreal	B-Application
,	O
though	O
Epic	O
hired	O
a	O
number	O
of	O
new	O
developers	O
to	O
reinforce	O
the	O
team	O
.	O
</s>
<s>
Programmer	O
Brandon	O
Reinhart	O
was	O
one	O
such	O
hire	O
,	O
joining	O
Epic	O
in	O
August	O
1998	O
to	O
help	O
with	O
the	O
support	O
of	O
Unreal	B-Application
and	O
the	O
development	O
of	O
Unreal	B-Operating_System
Tournament	I-Operating_System
.	O
</s>
<s>
In	O
December	O
1998	O
,	O
Reinhart	O
discovered	O
an	O
Unreal	B-Application
mod	O
called	O
UBrowser	O
,	O
which	O
provided	O
a	O
new	O
user	O
interface	O
for	O
finding	O
multiplayer	O
matches	O
.	O
</s>
<s>
The	O
game	O
's	O
level	O
and	O
content	O
management	O
program	O
,	O
UnrealEd	B-Application
,	O
was	O
written	O
in	O
Visual	B-Language
Basic	I-Language
and	O
considered	O
buggy	O
,	O
but	O
no	O
one	O
had	O
time	O
to	O
fix	O
it	O
.	O
</s>
<s>
The	O
game	O
engine	O
had	O
an	O
object-oriented	B-Language
design	O
,	O
and	O
the	O
scripting	B-Language
language	I-Language
,	O
UnrealScript	O
,	O
was	O
considered	O
to	O
be	O
more	O
like	O
Java	B-Language
.	O
</s>
<s>
The	O
modularity	O
of	O
the	O
object-oriented	B-Language
design	O
meant	O
that	O
programmers	O
could	O
make	O
large	O
changes	O
without	O
affecting	O
other	O
parts	O
of	O
the	O
game	O
.	O
</s>
<s>
Other	O
tools	O
used	O
during	O
development	O
included	O
Microsoft	B-Application
Visual	I-Application
Studio	I-Application
and	O
3D	B-Language
Studio	I-Language
Max	I-Language
.	O
</s>
<s>
Unreal	B-Operating_System
Tournament	I-Operating_System
had	O
support	O
for	O
the	O
EAX	O
Version	O
2.0	O
3D	B-Application
positional	I-Application
audio	I-Application
technology	O
by	O
Creative	O
Labs	O
and	O
A3D	O
2.0	O
HRTF	O
technology	O
by	O
Aureal	O
Semiconductor	O
out	O
of	O
the	O
box	O
.	O
</s>
<s>
This	O
version	O
of	O
the	O
demo	O
was	O
only	O
compatible	O
with	O
Glide-based	O
accelerators	O
.	O
</s>
<s>
An	O
updated	O
demo	O
version	O
,	O
with	O
support	O
for	O
OpenGL	B-Application
and	O
Direct3D	B-Application
cards	O
,	O
was	O
released	O
on	O
September	O
28	O
.	O
</s>
<s>
Unreal	B-Operating_System
Tournament	I-Operating_System
went	O
gold	O
(	O
became	O
ready	O
for	O
release	O
)	O
on	O
November	O
16	O
,	O
shipping	O
a	O
few	O
days	O
later	O
on	O
November	O
22	O
.	O
</s>
<s>
The	B-Operating_System
Dreamcast	I-Operating_System
version	O
was	O
developed	O
by	O
Secret	O
Level	O
,	O
who	O
had	O
to	O
drop	O
Assault	O
mode	O
,	O
along	O
with	O
many	O
larger	O
maps	O
,	O
due	O
to	O
the	B-Operating_System
Dreamcast	I-Operating_System
having	O
insufficient	O
memory	O
.	O
</s>
<s>
In	O
December	O
28	O
,	O
Brandon	O
Reinhart	O
announced	O
plans	O
to	O
release	O
Linux	B-Application
libraries	O
of	O
Unreal	B-Operating_System
Tournament	I-Operating_System
through	O
SourceForge	B-Application
:	O
"	O
I	O
've	O
chosen	O
the	O
Artistic	B-License
License	I-License
.	O
</s>
<s>
The	O
goal	O
of	O
the	O
project	O
was	O
to	O
improve	O
the	O
quality	O
of	O
the	O
Linux	B-Application
port	O
of	O
the	O
game	O
as	O
well	O
as	O
strengthen	O
the	O
mod	O
authoring	O
community	O
and	O
teach	O
Epic	O
about	O
open	O
source	O
projects	O
.	O
</s>
<s>
On	O
August	O
1	O
,	O
2000	O
,	O
Loki	O
Software	O
announced	O
an	O
exclusive	O
agreement	O
with	O
Epic	O
Games	O
to	O
maintain	O
and	O
support	O
the	O
Linux	B-Application
version	O
of	O
Unreal	B-Operating_System
Tournament	I-Operating_System
,	O
offering	O
new	O
features	O
,	O
addressing	O
any	O
technical	O
issues	O
and	O
achieving	O
revision	O
parity	O
with	O
the	O
Windows	O
version	O
.	O
</s>
<s>
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
re-released	O
in	O
fall	O
(	O
autumn	O
)	O
2000	O
as	O
Unreal	B-Application
Tournament	I-Application
:	I-Application
Game	I-Application
of	I-Application
the	I-Application
Year	I-Application
Edition	I-Application
,	O
which	O
includes	O
the	O
first	O
three	O
bonus	O
packs	O
and	O
mods	O
such	O
as	O
Rocket	O
Arena	O
,	O
a	O
one-on-one	O
combat	O
mode	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
alone	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
sold	O
100,998	O
copies	O
by	O
the	O
end	O
of	O
1999	O
,	O
according	O
to	O
PC	O
Data	O
.	O
</s>
<s>
This	O
placed	O
it	O
behind	O
competitor	O
Quake	B-Application
III	I-Application
:	I-Application
Arena	I-Application
over	O
the	O
same	O
period	O
.	O
</s>
<s>
From	O
January	O
through	O
October	O
2000	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
sold	O
234,451	O
units	O
and	O
earned	O
$8.94	O
million	O
in	O
the	O
region	O
.	O
</s>
<s>
By	O
November	O
2001	O
,	O
Unreal	B-Operating_System
Tournaments	I-Operating_System
total	O
sales	O
were	O
close	O
to	O
2	O
million	O
units	O
.	O
</s>
<s>
Upon	O
its	O
release	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
received	O
universal	O
acclaim	O
from	O
critics	O
,	O
earning	O
an	O
overall	O
score	O
of	O
92	O
out	O
of	O
100	O
on	O
aggregate	O
review	O
website	O
Metacritic	O
.	O
</s>
<s>
Similarly	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
earned	O
an	O
overall	O
score	O
of	O
94%	O
on	O
the	O
video	O
gaming	O
review	O
aggregator	O
GameRankings	O
.	O
</s>
<s>
Mainstream	O
press	O
reviews	O
lauded	O
the	O
title	O
for	O
its	O
graphics	O
,	O
gameplay	O
and	O
level	O
design	O
,	O
with	O
Computer	O
and	O
Video	O
Games	O
concluding	O
"	O
Unreal	B-Operating_System
Tournament	I-Operating_System
is	O
nothing	O
short	O
of	O
a	O
technical	O
and	O
game-playing	O
marvel	O
destined	O
to	O
hold	O
you	O
—	O
as	O
it	O
did	O
us	O
—	O
wailing	O
with	O
happiness	O
and	O
wasting	O
far	O
too	O
many	O
precious	O
hours	O
hammering	O
keyboards	O
.	O
</s>
<s>
In	O
March	O
2000	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
second	O
on	O
a	O
list	O
of	O
best-selling	O
games	O
in	O
Computer	O
Dealer	O
News	O
trade	O
magazine	O
.	O
</s>
<s>
Jeff	O
Gerstmann	O
of	O
GameSpot	O
praised	O
the	O
graphics	O
,	O
noting	O
:	O
"	O
As	O
good	O
as	O
the	O
original	O
Unreal	B-Application
looked	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
looks	O
even	O
better	O
.	O
</s>
<s>
But	O
Unreal	B-Operating_System
Tournament	I-Operating_System
rises	O
above	O
the	O
rest	O
with	O
its	O
solid	O
multiplayer	O
performance	O
,	O
from	O
its	O
good	O
weapon	O
balance	O
to	O
its	O
great	O
level	O
design	O
"	O
.	O
</s>
<s>
The	O
game	O
was	O
similarly	O
reviewed	O
by	O
GameSpy	O
,	O
who	O
concluded	O
:	O
"	O
Unreal	B-Operating_System
Tournament	I-Operating_System
raises	O
the	O
bar	O
for	O
first	O
person	O
teamplay	O
games	O
.	O
</s>
<s>
Game	O
Revolution	O
agreed	O
and	O
praised	O
the	O
bots	O
and	O
maps	O
,	O
although	O
it	O
complained	O
that	O
player	O
models	O
were	O
not	O
particularly	O
varied	O
and	O
that	O
the	O
game	O
was	O
not	O
"	O
as	O
visually	O
appealing	O
as	O
the	O
original	O
Unreal	B-Application
"	O
.	O
</s>
<s>
IGN	O
stated	O
that	O
Unreal	B-Operating_System
Tournament	I-Operating_System
received	O
the	O
highest	O
ever	O
score	O
at	O
the	O
time	O
of	O
their	O
review	O
,	O
describing	O
the	O
game	O
as	O
nearly	O
flawless	O
.	O
</s>
<s>
The	O
Electric	O
Playground	O
,	O
who	O
rated	O
the	O
game	O
10	O
out	O
of	O
10	O
,	O
praised	O
the	O
"	O
innovative	O
"	O
level	O
design	O
,	O
while	O
Computer	O
Gaming	O
World	O
gave	O
it	O
five	O
stars	O
out	O
of	O
five	O
,	O
saying	O
"	O
UT	O
has	O
completely	O
redeemed	O
both	O
Epic	O
and	O
the	O
Unreal	B-Application
franchise	O
to	O
action	O
gamers	O
.	O
</s>
<s>
The	O
Macintosh	O
version	O
of	O
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
equally	O
praised	O
.	O
</s>
<s>
Inside	B-Application
Mac	I-Application
Games	I-Application
praised	O
the	O
replay	O
value	O
,	O
but	O
criticized	O
the	O
high	O
system	O
requirements	O
.	O
</s>
<s>
In	O
December	O
1999	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
inducted	O
into	O
the	O
Macworld	O
Hall	O
of	O
Fame	O
.	O
</s>
<s>
Reviewing	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
,	O
Gamezilla	O
complimented	O
the	O
sound	O
,	O
but	O
criticized	O
the	O
graphics	O
and	O
lack	O
of	O
a	O
plot	O
.	O
</s>
<s>
The	O
British	O
Dreamcast	B-Operating_System
Magazine	O
(	O
not	O
to	O
be	O
confused	O
with	O
the	O
Official	O
Dreamcast	B-Operating_System
Magazine	O
or	O
DC-UK	O
)	O
was	O
ambivalent	O
to	O
the	O
port	O
's	O
gameplay	O
,	O
visuals	O
and	O
sounds	O
,	O
noting	O
its	O
"	O
blasting	O
"	O
action	O
and	O
the	O
removal	O
of	O
online	B-Application
multiplayer	O
from	O
the	O
European	O
version	O
of	O
the	O
game	O
.	O
</s>
<s>
GameSpy	O
cited	O
both	O
slow	O
framerate	O
speeds	O
and	O
low	O
sound	O
quality	O
as	O
problems	O
with	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
2	I-Device
release	O
did	O
not	O
fare	O
as	O
well	O
as	O
the	O
PC	O
and	O
Dreamcast	B-Operating_System
versions	O
.	O
</s>
<s>
GameSpy	O
criticized	O
the	O
graphics	O
of	O
the	O
PS2	B-Device
version	O
,	O
saying	O
"	O
Graphically	O
,	O
the	O
PS2	B-Device
version	O
of	O
Unreal	B-Operating_System
Tournament	I-Operating_System
seems	O
uninspired	O
"	O
.	O
</s>
<s>
Gamezilla	O
criticized	O
the	O
PlayStation	B-Device
2	I-Device
version	O
's	O
lack	O
of	O
multiplayer	O
support	O
compared	O
to	O
the	O
PC	O
version	O
along	O
with	O
Game	O
Informer	O
,	O
who	O
said	O
despite	O
its	O
flaws	O
,	O
the	O
game	O
"	O
holds	O
its	O
own	O
as	O
one	O
of	O
the	O
best	O
FPSs	O
out	O
there	O
"	O
.	O
</s>
<s>
On	O
the	O
other	O
hand	O
,	O
the	O
port	O
scored	O
3	O
out	O
of	O
10	O
in	O
the	O
television	O
show	O
The	O
Electric	O
Playground	O
,	O
with	O
the	O
reviewer	O
lauding	O
the	O
audio	O
and	O
graphics	O
but	O
feeling	O
that	O
the	O
controls	O
could	O
have	O
been	O
better	O
implemented	O
:	O
"	O
Control	O
,	O
or	O
lack	O
thereof	O
,	O
is	O
the	O
biggest	O
thorn	O
in	O
the	O
side	O
of	O
Unreal	B-Operating_System
Tournament	I-Operating_System
.	O
</s>
<s>
The	O
other	O
Unreal	B-Operating_System
Tournament	I-Operating_System
contestants	O
probably	O
thought	O
that	O
our	O
character	O
was	O
possessed	O
"	O
.	O
</s>
<s>
In	O
addition	O
to	O
receiving	O
Eurogamer	O
first-ever	O
perfect	O
score	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
named	O
by	O
the	O
site	O
one	O
of	O
the	O
best	O
games	O
of	O
1999	O
.	O
</s>
<s>
Launch	O
editor	O
John	O
Bye	O
chose	O
the	O
shooter	O
as	O
the	O
game	O
of	O
the	O
past	O
decade	O
(	O
1999	O
–	O
2009	O
)	O
and	O
said	O
:	O
"	O
Unreal	B-Operating_System
Tournament	I-Operating_System
is	O
one	O
of	O
the	O
few	O
games	O
in	O
the	O
early	O
days	O
of	O
Eurogamer	O
that	O
I	O
kept	O
going	O
back	O
to	O
months	O
after	O
I	O
'd	O
finished	O
reviewing	O
it	O
,	O
a	O
game	O
that	O
I	O
played	O
to	O
unwind	O
after	O
a	O
long	O
day	O
playing	O
other	O
games	O
.	O
</s>
<s>
Whether	O
it	O
was	O
trying	O
to	O
break	O
the	O
one-minute	O
barrier	O
in	O
the	O
speed	O
running	O
mayhem	O
of	O
Assault	O
mode	O
,	O
battling	O
back	O
and	O
forth	O
amongst	O
the	O
alleyways	O
of	O
Domination	O
,	O
or	O
dropping	O
shrapnel	O
shells	O
at	O
people	O
's	O
feet	O
with	O
the	O
wonderfully	O
chunky	O
flak	O
cannon	O
in	O
a	O
fast	O
and	O
furious	O
free-for-all	O
deathmatch	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
an	O
endless	O
source	O
of	O
entertainment	O
"	O
.	O
</s>
<s>
In	O
2004	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
inducted	O
into	O
the	O
Computer	O
Gaming	O
World	O
Hall	O
of	O
Fame	O
.	O
</s>
<s>
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
a	O
nominee	O
for	O
PC	O
Gamer	O
USs	O
1999	O
"	O
Best	O
Action	O
Game	O
"	O
and	O
"	O
Best	O
Multiplayer	O
Game	O
"	O
awards	O
,	O
which	O
went	O
to	O
Tom	B-Device
Clancy	I-Device
's	I-Device
Rainbow	I-Device
Six	I-Device
:	I-Device
Rogue	I-Device
Spear	I-Device
and	O
Team	B-Application
Fortress	I-Application
Classic	I-Application
,	O
respectively	O
.	O
</s>
<s>
They	O
called	O
it	O
"	O
a	O
brilliant	O
multiplayer	O
game	O
that	O
blew	O
its	O
main	O
rival	O
Quake	B-Application
III	I-Application
away	O
with	O
awesome	O
bots	O
,	O
graphics	O
,	O
game	O
types	O
and	O
online	B-Application
functionality	O
"	O
.	O
</s>
<s>
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
a	O
finalist	O
for	O
the	O
Academy	O
of	O
Interactive	O
Arts	O
&	O
Sciences	O
 '	O
1999	O
"	O
Action	O
Game	O
of	O
the	O
Year	O
"	O
award	O
,	O
which	O
ultimately	O
went	O
to	O
Half-Life	B-Application
:	I-Application
Opposing	I-Application
Force	I-Application
.	O
</s>
<s>
The	B-Operating_System
Dreamcast	I-Operating_System
version	O
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
a	O
finalist	O
for	O
"	O
11th	O
Annual	O
GamePro	O
Readers	O
 '	O
Choice	O
Awards	O
"	O
for	O
"	O
Best	O
Combat	O
Game	O
of	O
The	O
Year	O
"	O
,	O
but	O
lost	O
to	O
Halo	O
:	O
Combat	O
Evolved	O
for	O
Xbox	B-Application
.	O
</s>
<s>
In	O
2014	O
,	O
Complex	O
magazine	O
placed	O
Unreal	B-Operating_System
Tournament	I-Operating_System
as	O
number	O
three	O
on	O
its	O
list	O
of	O
"	O
The	O
50	O
Best	O
First	O
Person	O
Shooters	O
Of	O
All	O
Time	O
"	O
,	O
while	O
Moviepilot	O
placed	O
it	O
as	O
number	O
two	O
on	O
its	O
list	O
of	O
"	O
The	O
7	O
Most	O
Influential	O
Video	O
Games	O
Ever	O
"	O
.	O
</s>
<s>
As	O
he	O
said	O
in	O
the	O
November	O
2001	O
issue	O
of	O
Maximum	O
PC	O
,	O
"	O
Unreal	B-Operating_System
Tournament	I-Operating_System
would	O
not	O
have	O
sold	O
nearly	O
two	O
million	O
copies	O
if	O
it	O
did	O
not	O
have	O
support	O
from	O
the	O
community	O
...	O
We	O
ship	O
the	O
very	O
same	O
tools	O
that	O
we	O
used	O
to	O
build	O
the	O
game	O
,	O
and	O
folks	O
use	O
these	O
tools	O
to	O
realize	O
their	O
own	O
visions	O
of	O
first-person	O
action	O
"	O
.	O
</s>
<s>
Like	O
Unreal	B-Application
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
is	O
designed	O
to	O
be	O
easily	O
programmable	O
and	O
highly	O
modularized	O
.	O
</s>
<s>
Through	O
its	O
scripting	O
environment	O
UnrealScript	O
and	O
level	O
editor	O
UnrealEd	B-Application
,	O
developers	O
are	O
able	O
to	O
modify	O
easily	O
most	O
parts	O
of	O
the	O
game	O
to	O
both	O
manipulate	O
default	O
game	O
behavior	O
and	O
to	O
supplement	O
the	O
game	O
with	O
their	O
own	O
mods	O
.	O
</s>
<s>
One	O
modification	O
,	O
ChaosUT	O
,	O
became	O
popular	O
enough	O
that	O
it	O
was	O
included	O
with	O
the	O
'	O
Game	O
of	O
the	O
Year	O
 '	O
edition	O
of	O
the	O
game	O
,	O
while	O
Tactical	B-Application
Ops	I-Application
:	I-Application
Assault	I-Application
on	I-Application
Terror	I-Application
was	O
released	O
as	O
a	O
stand-alone	O
retail	O
product	O
.	O
</s>
<s>
Unreal	B-Operating_System
Tournament	I-Operating_System
was	O
played	O
at	O
the	O
World	O
Cyber	O
Games	O
in	O
2001	O
and	O
2002	O
.	O
</s>
<s>
The	O
success	O
of	O
the	O
original	O
Unreal	B-Operating_System
Tournament	I-Operating_System
spawned	O
four	O
sequels	O
,	O
including	O
Unreal	B-Application
Tournament	I-Application
2003	I-Application
and	O
Unreal	B-Application
Tournament	I-Application
2004	I-Application
,	O
Unreal	B-Application
Tournament	I-Application
3	I-Application
and	O
the	O
cancelled	O
Unreal	B-Operating_System
Tournament	I-Operating_System
reboot	O
.	O
</s>
<s>
Digital	O
Extremes	O
announced	O
Dark	B-Application
Sector	I-Application
in	O
2000	O
,	O
which	O
was	O
planned	O
as	O
a	O
spiritual	O
successor	O
to	O
Unreal	B-Operating_System
Tournament	I-Operating_System
.	O
</s>
