<s>
Alien	B-Application
3	I-Application
:	I-Application
The	I-Application
Gun	I-Application
is	O
a	O
1993	B-Application
rail	O
shooter	O
arcade	O
game	O
released	O
by	O
Sega	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
the	O
film	O
Alien	B-Application
3	I-Application
,	O
but	O
focuses	O
on	O
two	O
space	O
Marines	O
.	O
</s>
<s>
Alien	B-Application
3	I-Application
:	I-Application
The	I-Application
Gun	I-Application
is	O
a	O
rail	O
shooter	O
in	O
which	O
the	O
player	O
uses	O
a	O
large	O
light	B-Device
gun	I-Device
,	O
modeled	O
after	O
the	O
M41A	O
Pulse	O
Rifle	O
featured	O
in	O
Aliens	O
,	O
to	O
kill	O
various	O
Alien	O
creatures	O
such	O
as	O
facehuggers	O
and	O
soldiers	O
,	O
unlike	O
the	O
film	O
,	O
which	O
featured	O
only	O
three	O
Aliens	O
(	O
including	O
a	O
facehugger	O
,	O
an	O
alien	O
runner	O
and	O
a	O
queen	O
chestburster	O
)	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Alien	B-Application
3	I-Application
:	I-Application
The	I-Application
Gun	I-Application
on	O
their	O
November	O
1	O
,	O
1993	B-Application
issue	O
as	O
being	O
the	O
most-successful	O
upright/cockpit	O
arcade	O
unit	O
of	O
the	O
month	O
.	O
</s>
<s>
Retrospectively	O
,	O
Stephen	O
Kleckner	O
of	O
GamesBeat	O
wrote	O
positively	O
about	O
Alien	B-Application
3	I-Application
:	I-Application
The	I-Application
Gun	I-Application
,	O
including	O
it	O
in	O
his	O
"	O
must-play	O
"	O
list	O
of	O
Alien	O
titles	O
and	O
opining	O
it	O
is	O
better	O
than	O
2006	O
's	O
light	B-Device
gun	I-Device
game	O
Aliens	O
:	O
Extermination	O
.	O
</s>
<s>
According	O
to	O
Retro	O
Gamer	O
,	O
the	O
"	O
terrifying	O
and	O
glorious	O
"	O
Alien	B-Application
3	I-Application
"	O
went	O
leagues	O
beyond	O
the	O
other	O
shoot-	O
'	O
em	O
ups	O
,	O
such	O
as	O
Lethal	O
Enforcers.	O
"	O
</s>
