<s>
It	O
is	O
the	O
sequel	O
to	O
Steel	B-Application
Gunner	I-Application
,	O
which	O
had	O
been	O
released	O
in	O
1990	O
.	O
</s>
<s>
It	O
was	O
also	O
sold	O
as	O
a	O
conversion	O
kit	O
for	O
Taito	O
's	O
Operation	B-Application
Thunderbolt	I-Application
(	O
1988	O
)	O
.	O
</s>
<s>
Steel	B-Application
Gunner	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Steel	B-Application
Gunner	I-Application
2	I-Application
in	O
their	O
April	O
15	O
,	O
1992	O
issue	O
as	O
being	O
the	O
eighth	O
most-popular	O
upright	O
arcade	O
game	O
at	O
the	O
time	O
.	O
</s>
