<s>
is	O
a	O
1991	B-Application
2D	O
beat	B-Application
'	I-Application
em	I-Application
up	I-Application
arcade	O
game	O
developed	O
by	O
Westone	O
and	O
published	O
by	O
Sega	O
.	O
</s>
<s>
Buildings	O
include	O
apartments	O
,	O
hospitals	O
,	O
factories	O
and	O
even	O
a	O
casino	B-Application
.	O
</s>
<s>
Riot	B-Application
City	I-Application
resembles	O
Capcom	O
's	O
1989	O
arcade	O
hit	O
,	O
Final	B-Application
Fight	I-Application
,	O
which	O
is	O
an	O
archetypal	O
side	O
scrolling	O
beat-em-up	B-Application
game	O
.	O
</s>
<s>
Unlike	O
Final	B-Application
Fight	I-Application
,	O
there	O
are	O
no	O
weapons	O
to	O
pick	O
up	O
along	O
the	O
way	O
,	O
but	O
players	O
will	O
only	O
pick	O
up	O
items	O
for	O
points	O
.	O
</s>
<s>
A	O
soundtrack	O
album	O
,	O
Riot	B-Application
City	I-Application
Original	O
Soundtracks	O
was	O
released	O
by	O
EGG	O
Music	O
,	O
a	O
division	O
of	O
D4	O
Enterprise	O
,	O
on	O
February	O
27	O
,	O
2009	O
.	O
</s>
<s>
It	O
contains	O
every	O
background	O
music	O
and	O
sound	O
effect	O
from	O
the	O
game	O
,	O
which	O
were	O
composed	O
by	O
Jin	O
Watanabe	O
,	O
who	O
also	O
composed	O
Monster	B-Application
World	I-Application
IV	I-Application
along	O
with	O
Shinichi	O
Sakamoto	O
.	O
</s>
<s>
While	O
Westone	O
decided	O
to	O
create	O
a	O
modified	O
version	O
of	O
Sega	O
's	O
Wonder	B-Application
Boy	I-Application
for	O
Hudson	O
Soft	O
as	O
Adventure	B-Application
Island	I-Application
for	O
the	O
NES	O
,	O
they	O
also	O
took	O
Riot	B-Application
City	I-Application
,	O
remade	O
and	O
ported	O
it	O
to	O
the	O
TurboGrafx-CD	O
as	O
Riot	B-Application
Zone	I-Application
(	O
known	O
in	O
Japan	O
as	O
)	O
.	O
</s>
<s>
The	O
sprites	O
of	O
Paul	O
and	O
Bobby	O
were	O
modified	O
and	O
used	O
for	O
the	O
main	O
characters	O
of	O
Riot	B-Application
Zone	I-Application
,	O
Hawk	O
(	O
who	O
uses	O
Paul	O
's	O
)	O
and	O
Tony	O
(	O
who	O
uses	O
Bobby	O
's	O
)	O
.	O
</s>
<s>
Some	O
parts	O
of	O
several	O
Riot	B-Application
City	I-Application
stages	O
were	O
also	O
recycled	O
for	O
use	O
in	O
Riot	B-Application
Zone	I-Application
.	O
</s>
<s>
Unlike	O
Riot	B-Application
City	I-Application
,	O
Riot	B-Application
Zone	I-Application
lacks	O
multiplayer	O
and	O
features	O
high-quality	O
music	O
instead	O
of	O
chip-tune	O
music	O
.	O
</s>
