<s>
Urban	B-Application
Chaos	I-Application
:	I-Application
Riot	I-Application
Response	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
British	O
games	O
developer	O
Rocksteady	O
Studios	O
and	O
published	O
by	O
Eidos	O
Interactive	O
for	O
the	O
PlayStation	B-Device
2	I-Device
and	O
Xbox	B-Application
.	O
</s>
<s>
Urban	B-Application
Chaos	I-Application
:	I-Application
Riot	I-Application
Response	I-Application
was	O
known	O
by	O
three	O
different	O
names	O
in	O
development	O
,	O
it	O
was	O
first	O
called	O
Roll	O
Call	O
,	O
a	O
first-person	O
shooter	O
set	O
in	O
a	O
run-down	O
city	O
in	O
the	O
near	O
future	O
.	O
</s>
<s>
In	O
October	O
2005	O
,	O
Eidos	O
announced	O
the	O
project	O
had	O
become	O
Zero	B-Application
Tolerance	I-Application
:	O
City	O
Under	O
Fire	O
for	O
PlayStation	B-Device
2	I-Device
,	O
Xbox	B-Application
and	O
PC	O
,	O
a	O
first-person	O
shooter	O
following	O
a	O
member	O
of	O
an	O
elite	O
anti-gang	O
unit	O
who	O
must	O
defend	O
a	O
city	O
under	O
siege	O
.	O
</s>
<s>
Technopop	O
's	O
former	O
president	O
and	O
owner	O
of	O
its	O
assets	O
,	O
Randel	O
B	O
.	O
Reiss	O
,	O
made	O
a	O
statement	O
in	O
which	O
he	O
held	O
the	O
copyright	O
for	O
the	O
title	O
Zero	B-Application
Tolerance	I-Application
,	O
and	O
also	O
announced	O
that	O
he	O
was	O
working	O
on	O
an	O
updated	O
version	O
of	O
the	O
1994	O
Zero	B-Application
Tolerance	I-Application
under	O
the	O
same	O
title	O
which	O
was	O
being	O
developed	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
;	O
the	O
statement	O
alleged	O
trademark	O
infringement	O
on	O
Reiss	O
 '	O
trademark	O
and	O
sent	O
a	O
"	O
cease	O
and	O
desist	O
"	O
notice	O
to	O
Eidos	O
Interactive	O
in	O
using	O
the	O
title	O
Zero	B-Application
Tolerance	I-Application
.	O
</s>
<s>
Eidos	O
later	O
renamed	O
their	O
game	O
Urban	B-Application
Chaos	I-Application
:	I-Application
Riot	I-Application
Response	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
using	O
the	O
Havok	B-General_Concept
physics	I-General_Concept
engine	I-General_Concept
for	O
in-game	O
physics	O
effects	O
.	O
</s>
<s>
ReplicaNet	B-General_Concept
was	O
used	O
to	O
supply	O
the	O
software	O
in	O
the	O
online	O
and	O
LAN	O
multiplayer	O
action	O
.	O
</s>
<s>
Perforce	B-General_Concept
Software	I-General_Concept
's	O
Source	O
Control	O
Management	O
(	O
SCM	O
)	O
System	O
was	O
used	O
to	O
manage	O
the	O
game	O
's	O
source	O
code	O
,	O
documents	O
,	O
and	O
digital	O
asset	O
development	O
.	O
</s>
<s>
The	O
game	O
received	O
"	O
average	O
"	O
reviews	O
on	O
both	O
platforms	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
In	O
Japan	O
,	O
where	O
the	O
PlayStation	B-Device
2	I-Device
version	O
was	O
ported	O
for	O
release	O
as	O
simply	O
and	O
published	O
by	O
Spike	O
on	O
June	O
28	O
,	O
2007	O
,	O
Famitsu	O
gave	O
it	O
a	O
score	O
of	O
one	O
eight	O
,	O
one	O
seven	O
,	O
and	O
two	O
eights	O
for	O
a	O
total	O
of	O
31	O
out	O
of	O
40	O
.	O
</s>
