<s>
is	O
a	O
Japanese	O
video	O
game	O
developed	O
by	O
Dracue	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
It	O
was	O
originally	O
released	O
in	O
2013	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
and	O
later	O
ported	O
to	O
Windows	O
in	O
2014	O
and	O
given	O
a	O
release	O
outside	O
of	O
Japan	O
.	O
</s>
<s>
The	O
game	O
is	O
a	O
tribute	O
to	O
and	O
plays	O
similarly	O
to	O
Assault	B-Application
Suit	I-Application
Leynos	I-Application
,	O
and	O
Assault	B-Application
Suit	I-Application
Valken	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
in	O
Japan	O
on	O
January	O
13	O
,	O
2013	O
.	O
</s>
<s>
The	O
soundtrack	O
for	O
the	O
game	O
titled	O
PERFECT	O
SOUNDTRACK	O
Kisou	O
Ryouhei	O
Gunhound	O
EX	O
was	O
released	O
as	O
a	O
bonus	O
with	O
purchase	O
of	O
the	O
limited	O
edition	O
of	O
the	O
PSP	B-Operating_System
release	O
.	O
</s>
<s>
Due	O
to	O
the	O
suspension	O
of	O
Dracue	O
software	O
,	O
the	O
game	O
was	O
removed	O
from	O
the	O
Steam	B-Application
and	O
Playism	O
stores	O
on	O
October	O
18	O
,	O
2018	O
.	O
</s>
<s>
Several	O
reviewers	O
compared	O
the	O
game	O
to	O
Assault	B-Application
Suit	I-Application
Valken	I-Application
.	O
</s>
<s>
Four	O
reviewers	O
in	O
Famitsu	O
gave	O
the	O
PSP	B-Operating_System
version	O
a	O
score	O
of	O
8/7/7/7	O
for	O
a	O
total	O
of	O
29/40	O
.	O
</s>
