<s>
Zero	B-Application
Gunner	I-Application
2	I-Application
is	O
a	O
3D	O
multidirectional	O
shooter	O
developed	O
by	O
Psikyo	O
as	O
a	O
sequel	O
to	O
Zero	B-Application
Gunner	I-Application
,	O
the	O
original	O
arcade	O
game	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
in	O
Japan	O
in	O
2001	O
.	O
</s>
<s>
A	O
version	O
of	O
this	O
game	O
was	O
developed	O
and	O
released	O
in	O
2018	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
by	O
Zerodiv	O
.	O
</s>
<s>
This	O
version	O
was	O
later	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
via	O
Steam	O
in	O
December	O
2020	O
.	O
</s>
<s>
It	O
is	O
here	O
that	O
the	O
Zero	B-Application
Gunner	I-Application
squadron	O
is	O
called	O
into	O
action	O
to	O
stop	O
Igem	O
and	O
to	O
destroy	O
ONI	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Zero	B-Application
Gunner	I-Application
2	I-Application
on	O
their	O
July	O
15	O
,	O
2001	O
issue	O
as	O
being	O
the	O
eighth	O
most-successful	O
arcade	O
game	O
of	O
the	O
month	O
.	O
</s>
<s>
On	O
release	O
,	O
Famitsu	O
magazine	O
scored	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
of	O
the	O
game	O
a	O
30	O
out	O
of	O
40	O
.	O
</s>
