<s>
is	O
a	O
scrolling	O
shooter	O
,	O
part	O
of	O
the	O
Fantasy	B-Application
Zone	I-Application
series	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
the	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
in	O
Europe	O
and	O
Japan	O
.	O
</s>
<s>
A	O
Virtual	B-Application
Console	I-Application
version	O
was	O
released	O
July	O
,	O
2008	O
,	O
making	O
its	O
debut	O
in	O
North	O
America	O
.	O
</s>
<s>
It	O
is	O
included	O
in	O
the	O
Sega	B-Application
Genesis	I-Application
Mini	I-Application
,	O
and	O
was	O
re-released	O
on	O
the	O
Nintendo	B-Application
Switch	I-Application
Online	I-Application
+	I-Application
Expansion	I-Application
Pack	I-Application
.	O
</s>
<s>
The	O
soundtrack	O
to	O
the	O
game	O
was	O
composed	O
by	O
Naoki	O
Kodaka	O
,	O
and	O
features	O
themes	O
from	O
the	O
original	O
Fantasy	B-Application
Zone	I-Application
game	O
composed	O
by	O
Hiroshi	O
Kawaguchi	O
.	O
</s>
<s>
The	O
game	O
follows	O
Opa-Opa	B-Application
as	O
he	O
fights	O
to	O
avenge	O
the	O
death	O
of	O
his	O
father	O
,	O
O-papa	O
,	O
who	O
was	O
killed	O
defending	O
the	O
Fantasy	B-Application
Zone	I-Application
against	O
the	O
invading	O
Dark	O
Menon	O
.	O
</s>
<s>
Opa-Opa	B-Application
must	O
rid	O
the	O
Fantasy	B-Application
Zone	I-Application
of	O
the	O
minions	O
of	O
the	O
Dark	O
Menon	O
and	O
restore	O
peace	O
.	O
</s>
<s>
Opa-Opa	B-Application
must	O
clear	O
the	O
levels	O
by	O
moving	O
through	O
them	O
and	O
shooting	O
down	O
all	O
of	O
the	O
Enemy	O
Generators	O
.	O
</s>
