<s>
The	O
player	O
assumes	O
the	O
role	O
of	O
commander	O
Gun-Nac	B-Application
,	O
and	O
throughout	O
eight	O
different	O
levels	O
,	O
fights	O
a	O
host	O
of	O
enemies	O
from	O
a	O
space	O
ship	O
.	O
</s>
<s>
Examples	O
of	O
primary	O
weapons	O
are	O
a	O
standard	O
gun	O
,	O
a	O
flamethrower	O
and	O
a	O
type	O
of	O
guided	O
boomerang	B-General_Concept
.	O
</s>
<s>
The	O
Galactic	O
Federation	O
,	O
realizing	O
the	O
situation	O
was	O
beyond	O
their	O
control	O
,	O
calls	O
on	O
Commander	O
Gun-Nac	B-Application
,	O
son	O
of	O
the	O
Legendary	O
Xan	O
,	O
to	O
save	O
IOTA	O
Synthetica	O
from	O
the	O
ensuing	O
destruction	O
from	O
this	O
strange	O
cosmic	O
energy	O
.	O
</s>
<s>
AllGame	O
editor	O
Skyler	O
Miller	O
praised	O
Gun-Nac	B-Application
,	O
describing	O
the	O
game	O
as	O
"	O
perhaps	O
the	O
best	O
shooter	O
for	O
the	O
NES	O
"	O
.	O
</s>
<s>
Famitsu	O
awarded	O
Gun-Nac	B-Application
a	O
score	O
of	O
26/40	O
.	O
</s>
