<s>
In	O
1992	O
home	O
ports	O
were	O
released	O
for	O
the	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
,	O
Commodore	O
64	O
,	O
MS-DOS	B-Application
,	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
and	O
Master	O
System	O
.	O
</s>
<s>
It	O
was	O
one	O
of	O
the	O
few	O
games	O
for	O
the	O
Atari	B-Device
ST	I-Device
and	O
Amiga	B-Device
to	O
support	O
a	O
light	B-Device
gun	I-Device
.	O
</s>
<s>
Space	B-Application
Gun	I-Application
is	O
an	O
arcade	O
rail	O
shooter	O
in	O
which	O
the	O
player	O
views	O
the	O
on-screen	O
action	O
from	O
a	O
first	O
person	O
perspective	O
.	O
</s>
<s>
Players	O
use	O
a	O
cabinet-mounted	O
light	B-Device
gun	I-Device
to	O
target	O
and	O
shoot	O
enemy	O
aliens	O
that	O
have	O
invaded	O
a	O
research	O
vessel	O
and	O
abducted	O
its	O
crew	O
.	O
</s>
<s>
Several	O
of	O
the	O
home	O
system	O
versions	O
feature	O
light	B-Device
gun	I-Device
support	O
;	O
however	O
,	O
all	O
of	O
them	O
allow	O
the	O
player	O
to	O
move	O
a	O
crosshair	O
to	O
target	O
enemies	O
.	O
</s>
<s>
The	O
multiplayer	O
game	O
is	O
identical	O
to	O
the	O
single-player	O
experience	O
,	O
but	O
the	O
Sega	O
Master	O
System	O
,	O
Commodore	O
64	O
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
versions	O
do	O
not	O
feature	O
multiplayer	O
.	O
</s>
<s>
The	O
arcade	O
game	O
uses	O
raster	B-Algorithm
graphics	I-Algorithm
on	O
a	O
CRT	B-Device
monitor	I-Device
displaying	O
4096	O
colors	O
and	O
amplified	O
stereophonic	O
sound	O
.	O
</s>
<s>
The	O
music	O
for	O
Space	B-Application
Gun	I-Application
was	O
composed	O
by	O
Norihiro	O
Furukawa	O
and	O
Naoto	O
Yagishita	O
of	O
Zuntata	O
,	O
Taito	O
's	O
music	O
division	O
.	O
</s>
<s>
The	O
arcade	O
version	O
of	O
Space	B-Application
Gun	I-Application
was	O
exhibited	O
at	O
the	O
UK	O
Amusement	O
Trades	O
Exhibition	O
International	O
in	O
1991	O
.	O
</s>
<s>
In	O
1992	O
,	O
Ocean	O
Software	O
released	O
ports	O
for	O
the	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
,	O
Commodore	O
64	O
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
<s>
The	O
Amiga	B-Device
and	O
Atari	B-Device
ST	I-Device
versions	O
are	O
one	O
of	O
the	O
few	O
games	O
to	O
use	O
the	O
Trojan	O
Light	B-Device
Gun	I-Device
.	O
</s>
<s>
In	O
developing	O
the	O
Amiga	B-Device
conversion	O
,	O
the	O
team	O
video	O
taped	O
the	O
arcade	O
machine	O
in	O
operation	O
as	O
a	O
reference	O
for	O
the	O
graphics	O
,	O
pausing	O
the	O
video	O
at	O
relevant	O
spots	O
to	O
take	O
notes	O
before	O
recreating	O
them	O
.	O
</s>
<s>
A	O
soundtrack	O
CD	O
(	O
a	O
split	O
release	O
with	O
the	O
soundtrack	O
for	O
the	O
Taito	O
game	O
Liquid	B-Application
Kids	I-Application
)	O
was	O
released	O
by	O
Pony	O
Canyon	O
and	O
Scitron	O
on	O
January	O
21	O
,	O
1991	O
.	O
</s>
<s>
In	O
2005	O
,	O
Space	B-Application
Gun	I-Application
was	O
included	O
in	O
the	O
compilation	O
title	O
Taito	O
Legends	O
for	O
the	O
PlayStation	B-Device
2	I-Device
,	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Application
.	O
</s>
<s>
In	O
Japan	O
,	O
Space	B-Application
Gun	I-Application
was	O
the	O
second	O
highest-grossing	O
dedicated	O
arcade	B-Application
game	I-Application
of	I-Application
1991	I-Application
.	O
</s>
<s>
Space	B-Application
Gun	I-Application
was	O
well-received	O
by	O
the	O
video	O
game	O
press	O
.	O
</s>
<s>
Killer	B-Application
List	I-Application
of	I-Application
Videogames	I-Application
called	O
the	O
cabinet	O
design	O
"	O
quite	O
unique	O
"	O
.	O
</s>
<s>
Neil	O
West	O
of	O
Amiga	B-Device
Format	O
commented	O
that	O
the	O
title	O
has	O
a	O
high	O
difficulty	O
level	O
and	O
that	O
power-ups	O
are	O
a	O
necessity	O
to	O
continue	O
playing	O
.	O
</s>
<s>
Simon	O
Forrester	O
of	O
Your	O
Sinclair	O
jokingly	O
referred	O
to	O
Space	B-Application
Gun	I-Application
as	O
the	O
"	O
unofficial	O
game	O
"	O
of	O
the	O
film	O
.	O
</s>
<s>
Your	O
Sinclair	O
reviewer	O
Jon	O
Pillar	O
and	O
Chris	O
Buffa	O
of	O
GameDaily	O
said	O
that	O
Space	B-Application
Gun	I-Application
contains	O
graphic	O
violence	O
,	O
citing	O
the	O
visual	O
effect	O
of	O
entrails	O
and	O
blood	O
splashed	O
against	O
the	O
screen	O
.	O
</s>
<s>
Steve	O
Merritt	O
of	O
CU	O
Amiga	B-Device
described	O
the	O
sound	O
effects	O
,	O
specifically	O
alien	O
squeals	O
and	O
the	O
pumping	O
heartbeat	O
,	O
as	O
"	O
simple	O
,	O
but	O
effective	O
"	O
.	O
</s>
<s>
British	O
gaming	O
magazine	O
The	O
One	O
reviewed	O
the	O
arcade	O
version	O
of	O
Space	B-Application
Gun	I-Application
in	O
1991	O
,	O
heavily	O
noting	O
its	O
similarity	O
to	O
Aliens	O
,	O
stating	O
that	O
"	O
Yes	O
,	O
it	O
's	O
Aliens	O
.	O
</s>
<s>
All	O
the	O
aliens	O
in	O
Space	B-Application
Gun	I-Application
look	O
like	O
the	O
aliens	O
out	O
of	O
Aliens	O
,	O
and	O
even	O
the	O
two	O
guns	O
look	O
like	O
the	O
guns	O
out	O
of	O
Aliens.	O
"	O
</s>
<s>
The	O
One	O
praises	O
Space	B-Application
Gun	I-Application
as	O
"	O
great	O
"	O
,	O
and	O
'	O
especially	O
while	O
playing	O
with	O
a	O
friend	O
 '	O
.	O
</s>
<s>
On	O
release	O
for	O
home	O
platforms	O
,	O
the	O
game	O
received	O
mixed	O
reviews	O
in	O
the	O
press	O
,	O
ranging	O
from	O
69%	O
in	O
Amiga	B-Device
Format	O
to	O
84%	O
in	O
CU	O
Amiga	B-Device
magazine	O
.	O
</s>
<s>
A	O
preview	O
from	O
Amiga	B-Device
Power	O
described	O
Space	B-Application
Gun	I-Application
as	O
deriving	O
from	O
an	O
"	O
inexplicably	O
popular	O
coin-op	O
,	O
best	O
described	O
as	O
Line	B-Application
of	I-Application
Fire	I-Application
set	O
in	O
space.	O
"	O
</s>
<s>
Several	O
reviews	O
have	O
stated	O
that	O
Space	B-Application
Gun	I-Application
is	O
an	O
Operation	B-Application
Wolf	I-Application
clone	O
,	O
while	O
it	O
has	O
also	O
been	O
compared	O
unfavorably	O
to	O
Operation	B-Application
Thunderbolt	I-Application
.	O
</s>
<s>
Paul	O
Presley	O
of	O
The	O
One	O
for	O
Amiga	B-Device
Games	O
also	O
found	O
that	O
using	O
input	O
devices	O
other	O
than	O
the	O
guns	O
mounted	O
to	O
the	O
arcade	O
machine	O
"	O
just	O
is	O
n't	O
the	O
same	O
"	O
.	O
</s>
<s>
Prior	O
to	O
the	O
release	O
for	O
the	O
Xbox	B-Application
and	O
PS2	B-Device
as	O
part	O
of	O
Taito	O
Legends	O
the	O
game	O
was	O
regarded	O
by	O
Gamedaily	O
as	O
being	O
in	O
the	O
"	O
top	O
five	O
"	O
of	O
the	O
games	O
in	O
the	O
collection	O
,	O
and	O
on	O
release	O
the	O
same	O
website	O
described	O
it	O
as	O
"	O
thoroughly	O
enjoyable	O
"	O
.	O
</s>
