<s>
Urban	B-Application
Terror	I-Application
is	O
a	O
freeware	B-License
multiplayer	O
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
FrozenSand	O
.	O
</s>
<s>
Originally	O
a	O
total	O
conversion	O
of	O
id	O
Software	O
's	O
Quake	B-Application
III	I-Application
Arena	I-Application
,	O
FrozenSand	O
released	O
Urban	B-Application
Terror	I-Application
as	O
a	O
free	B-License
standalone	O
game	O
in	O
2007	O
utilizing	O
ioquake3	B-Application
as	O
the	O
game	O
engine	O
.	O
</s>
<s>
While	O
the	O
game	O
engine	O
is	O
licensed	B-License
under	O
the	O
open-source	O
GPL	B-License
,	O
Urban	B-Application
Terror	I-Application
's	O
game	O
code	O
is	O
closed	B-Application
source	I-Application
and	O
its	O
assets	O
are	O
freeware	B-License
but	O
not	O
open	O
content	O
.	O
</s>
<s>
Urban	B-Application
Terror	I-Application
started	O
out	O
in	O
1998	O
as	O
a	O
planned	O
map	O
pack	O
for	O
Quake	B-Application
III	I-Application
Arena	I-Application
,	O
in	O
which	O
real	O
world	O
environments	O
would	O
be	O
featured	O
.	O
</s>
<s>
It	O
expanded	O
from	O
this	O
idea	O
to	O
a	O
full	O
total	O
conversion	O
featuring	O
realistic	O
weapons	O
and	O
gameplay	O
similar	O
to	O
Action	B-Application
Quake	I-Application
2	I-Application
.	O
</s>
<s>
Development	O
group	O
Silicon	O
Ice	O
Development	O
was	O
formed	O
in	O
spring	O
2000	O
and	O
was	O
made	O
of	O
several	O
international	O
developers	O
,	O
many	O
whom	O
were	O
familiar	O
with	O
modifying	O
Quake	B-Application
III	I-Application
Engine	O
games	O
;	O
hence	O
progress	O
was	O
made	O
quickly	O
.	O
</s>
<s>
When	O
its	O
first	O
version	O
,	O
beta	O
1.0	O
,	O
was	O
released	O
at	O
QuakeCon	O
2000	O
,	O
Urban	B-Application
Terror	I-Application
was	O
the	O
realism	O
mod	O
with	O
the	O
most	O
features	O
and	O
graphics	O
completed	O
.	O
</s>
<s>
FrozenSand	O
began	O
development	O
on	O
Urban	B-Application
Terror	I-Application
HD	O
in	O
2009	O
and	O
was	O
set	O
to	O
release	O
an	O
alpha	O
version	O
in	O
2010	O
but	O
soon	O
abandoned	O
the	O
project	O
and	O
switched	O
engines	O
from	O
idtech3	O
to	O
Unreal	O
Engine	O
4	O
due	O
to	O
licensing	O
complications	O
of	O
idtech3	O
.	O
</s>
<s>
Urban	B-Application
Terror	I-Application
is	O
billed	O
by	O
FrozenSand	O
as	O
a	O
"	O
Hollywood	O
tactical	O
shooter.	O
"	O
</s>
<s>
It	O
blends	O
elements	O
from	O
games	O
such	O
as	O
Quake	B-Application
III	I-Application
Arena	I-Application
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
and	O
Counter-Strike	B-Application
.	O
</s>
<s>
Damage	O
is	O
also	O
more	O
realistic	O
than	O
in	O
Quake	B-Application
III	I-Application
Arena	I-Application
,	O
based	O
on	O
dividing	O
the	O
player	O
target	O
into	O
discrete	O
areas	O
.	O
</s>
<s>
Numerous	O
game	O
modes	O
are	O
featured	O
,	O
including	O
classic	O
first-person	O
shooter	O
modes	O
such	O
as	O
Team	O
Deathmatch	O
,	O
Capture	B-Application
the	I-Application
Flag	I-Application
,	O
and	O
Last	O
Man	O
Standing	O
.	O
</s>
<s>
Additionally	O
,	O
Urban	B-Application
Terror	I-Application
has	O
a	O
nonviolent	O
"	O
jump	O
mode	O
,	O
"	O
in	O
which	O
players	O
utilize	O
the	O
game	O
's	O
unique	O
mechanics	O
to	O
progress	O
through	O
movement-based	O
"	O
jump	O
maps	O
"	O
of	O
varying	O
difficulties	O
.	O
</s>
<s>
Zombie	O
Mode	O
is	O
a	O
mod	O
of	O
the	O
Survivor	O
game	O
mode	O
in	O
Urban	B-Application
Terror	I-Application
.	O
</s>
