<s>
is	O
a	O
tactical	O
role-playing	O
game	O
developed	O
by	O
Sega	O
for	O
the	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
in	O
1991	O
.	O
</s>
<s>
The	O
game	O
offers	O
a	O
unique	O
soundtrack	O
for	O
each	O
of	O
the	O
many	O
playable	O
"	O
races	O
"	O
in	O
the	O
game	O
,	O
and	O
has	O
various	O
levels	O
of	O
gameplay	O
that	O
ranged	O
from	O
arcade	O
Archon-style	O
creature-on-creature	O
combat	O
to	O
strategy	O
similar	O
to	O
Koei	O
's	O
strategy	O
games	O
like	O
Gemfire	B-Application
and	O
Nobunaga	B-Application
's	I-Application
Ambition	I-Application
.	O
</s>
