<s>
is	O
a	O
fighting	O
video	O
game	O
developed	O
by	O
Micronet	O
co.	O
,	O
Ltd	O
.	O
for	O
the	O
Sega	B-Device
Mega-CD	I-Device
in	O
1992	O
.	O
</s>
<s>
The	O
game	O
is	O
the	O
sequel	O
to	O
Micronet	O
's	O
Heavy	B-Application
Nova	I-Application
,	O
though	O
focusing	O
entirely	O
on	O
Fighting	O
Game	O
elements	O
.	O
</s>
<s>
The	O
combat	O
is	O
similar	O
to	O
Heavy	B-Application
Nova	I-Application
:	O
the	O
player	O
's	O
C.A.M.	O
</s>
<s>
The	O
story	O
of	O
Black	B-Application
Hole	I-Application
Assault	I-Application
is	O
told	O
through	O
animated	O
Anime	O
cutscenes	O
complete	O
with	O
voice	O
acting	O
and	O
the	O
game	O
's	O
main	O
score/final	O
boss	O
theme	O
mostly	O
to	O
introduce	O
new	O
enemies	O
and	O
their	O
attacks	O
.	O
</s>
