<s>
Rad	B-Application
Mobile	I-Application
was	O
Sega	O
's	O
first	O
32-bit	O
game	O
,	O
using	O
Sega	O
's	O
System	O
32	O
arcade	O
system	O
board	O
.	O
</s>
<s>
It	O
was	O
also	O
the	O
first	O
appearance	O
of	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
,	O
who	O
appears	O
as	O
an	O
ornament	O
hanging	O
from	O
the	O
driver	O
's	O
rearview	O
mirror	O
.	O
</s>
<s>
The	O
game	O
was	O
ported	O
to	O
the	O
Sega	B-Device
Saturn	I-Device
in	O
December	O
1994	O
under	O
the	O
name	O
A	O
similar	O
game	O
with	O
a	O
two-seat	O
cabinet	O
,	O
was	O
also	O
released	O
in	O
1991	O
as	O
Rad	B-Application
Mobile	I-Application
received	O
mixed	O
reviews	O
;	O
critics	O
praised	O
its	O
3D	O
visuals	O
,	O
but	O
criticized	O
its	O
gameplay	O
.	O
</s>
<s>
Similar	O
to	O
Turbo	B-Application
OutRun	I-Application
,	O
the	O
concept	O
behind	O
Rad	B-Application
Mobile	I-Application
is	O
a	O
race	O
against	O
opponents	O
across	O
the	O
United	O
States	O
.	O
</s>
<s>
Rad	B-Application
Mobile	I-Application
was	O
also	O
the	O
first	O
appearance	O
of	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
,	O
appearing	O
as	O
a	O
decorative	O
item	O
hanging	O
from	O
the	O
driver	O
's	O
rearview	O
mirror	O
.	O
</s>
<s>
Sonic	O
's	O
appearance	O
in	O
the	O
game	O
predated	O
his	O
debut	O
in	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
for	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
by	O
eight	O
months	O
.	O
</s>
<s>
Credit	O
is	O
usually	O
given	O
to	O
Yu	O
Suzuki	O
and	O
his	O
Sega	O
AM2	O
division	O
,	O
the	O
developers	O
of	O
Out	B-Application
Run	I-Application
,	O
which	O
established	O
the	O
formula	O
of	O
Rad	B-Application
Mobile	I-Application
's	O
gameplay	O
but	O
Suzuki	O
has	O
not	O
listed	O
it	O
in	O
any	O
of	O
his	O
official	O
lists	O
of	O
works	O
.	O
</s>
<s>
In	O
a	O
1991	O
interview	O
,	O
AM3	O
head	O
Hisao	O
Oguchi	O
made	O
mention	O
of	O
AM3	O
's	O
involvement	O
in	O
Rad	B-Application
Mobile	I-Application
's	O
development	O
.	O
</s>
<s>
Rad	B-Application
Mobile	I-Application
was	O
Sega	O
's	O
debut	O
of	O
its	O
System	O
32	O
arcade	O
system	O
board	O
,	O
Sega	O
's	O
last	O
arcade	O
board	O
to	O
utilize	O
sprites	O
in	O
place	O
of	O
3D	O
polygons	O
.	O
</s>
<s>
A	O
version	O
of	O
Rad	B-Application
Mobile	I-Application
was	O
demonstrated	O
at	O
Japanese	O
trade	O
shows	O
operating	O
in	O
Sega	O
's	O
R360	B-Application
cabinet	O
,	O
but	O
no	O
record	O
of	O
a	O
release	O
has	O
been	O
found	O
.	O
</s>
<s>
Later	O
the	O
same	O
year	O
,	O
Sega	O
released	O
Rad	O
Rally	O
,	O
based	O
on	O
Rad	B-Application
Mobile	I-Application
but	O
with	O
changes	O
and	O
the	O
addition	O
of	O
two-player	O
multiplayer	O
.	O
</s>
<s>
In	O
1994	O
,	O
a	O
port	O
of	O
Rad	B-Application
Mobile	I-Application
was	O
released	O
only	O
in	O
Japan	O
for	O
the	O
Sega	B-Device
Saturn	I-Device
,	O
as	O
Gale	B-Application
Racer	I-Application
.	O
</s>
<s>
Gale	B-Application
Racer	I-Application
was	O
directed	O
by	O
Tomohiro	O
Kondo	O
,	O
who	O
had	O
worked	O
on	O
the	O
Panzer	B-Application
Dragoon	I-Application
series	O
,	O
and	O
designed	O
by	O
Takashi	O
Yuda	O
,	O
responsible	O
for	O
the	O
design	O
of	O
The	B-Application
Revenge	I-Application
of	I-Application
Shinobi	I-Application
.	O
</s>
<s>
Rad	B-Application
Mobile	I-Application
was	O
the	O
fourth	O
highest-grossing	O
dedicated	O
arcade	B-Application
game	I-Application
of	I-Application
1991	I-Application
in	O
Japan	O
,	O
while	O
Rad	O
Rally	O
was	O
the	O
year	O
's	O
seventh	O
highest-grossing	O
dedicated	O
arcade	O
game	O
in	O
Japan	O
.	O
</s>
<s>
Rad	B-Application
Mobile	I-Application
was	O
generally	O
praised	O
for	O
its	O
graphics	O
but	O
criticized	O
for	O
its	O
gameplay	O
.	O
</s>
<s>
John	O
Cook	O
also	O
reviewed	O
Rad	B-Application
Mobile	I-Application
in	O
The	O
One	O
,	O
stating	O
that	O
it	O
employs	O
"	O
some	O
astonishing	O
effects	O
,	O
but	O
little	O
or	O
no	O
gameplay	O
"	O
and	O
suggests	O
GP	B-Application
Rider	I-Application
as	O
an	O
alternative	O
,	O
stating	O
that	O
"	O
Some	O
will	O
enjoy	O
[	O
Rad	O
Mobile ]	O
because	O
it	O
's	O
loud	O
and	O
colourful	O
,	O
but	O
afficionados	O
sic	O
will	O
stick	O
to	O
GP	B-Application
Rider	I-Application
"	O
.	O
</s>
<s>
In	O
a	O
March	O
1991	O
review	O
,	O
Ace	O
described	O
Rad	B-Application
Mobile	I-Application
as	O
"	O
high	O
on	O
visuals	O
and	O
low	O
on	O
gameplay	O
"	O
.	O
</s>
<s>
Mega	B-Operating_System
Drive	I-Operating_System
praised	O
the	O
way	O
the	O
car	O
used	O
the	O
windshield	O
wiper	O
in	O
the	O
rain	O
,	O
and	O
headlights	O
at	O
night	O
.	O
</s>
<s>
Gale	B-Application
Racer	I-Application
received	O
a	O
negative	O
reception	O
,	O
with	O
Horowitz	O
stating	O
that	O
based	O
on	O
the	O
talent	O
behind	O
the	O
Saturn	B-Device
port	O
,	O
"	O
one	O
would	O
have	O
expected	O
nothing	O
short	O
of	O
the	O
best	O
home	O
racing	O
game	O
ever	O
made	O
"	O
.	O
</s>
<s>
Computer	O
and	O
Video	O
Games	O
detested	O
Gale	B-Application
Racer	I-Application
,	O
criticizing	O
the	O
gameplay	O
,	O
visuals	O
,	O
and	O
hypothesizing	O
that	O
it	O
was	O
rushed	O
out	O
to	O
shelves	O
to	O
tie	O
in	O
with	O
the	O
Saturn	B-Device
's	O
release	O
.	O
</s>
<s>
Retrospectively	O
,	O
video	O
game	O
historian	O
Ken	O
Horowitz	O
has	O
stated	O
that	O
Rad	B-Application
Mobile	I-Application
has	O
struggled	O
to	O
be	O
recognized	O
as	O
an	O
influential	O
racing	O
game	O
,	O
though	O
he	O
reinforces	O
that	O
the	O
game	O
deserves	O
at	O
least	O
some	O
recognition	O
as	O
Sega	O
's	O
first	O
32-bit	O
racing	O
game	O
and	O
as	O
the	O
first	O
appearance	O
of	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
.	O
</s>
<s>
Martin	O
Dodd	O
of	O
Retro	O
Gamer	O
compared	O
the	O
game	O
's	O
graphics	O
to	O
Power	B-Application
Drift	I-Application
and	O
called	O
the	O
game	O
"	O
very	O
good	O
for	O
the	O
time	O
with	O
it	O
being	O
32-bit	O
"	O
.	O
</s>
