<s>
It	O
is	O
a	O
sequel	O
to	O
Galaxian	B-Application
3	I-Application
.	O
</s>
<s>
Attack	B-Application
of	I-Application
the	I-Application
Zolgear	I-Application
is	O
set	O
in	O
the	O
time	O
when	O
space	O
exploration	O
has	O
reached	O
its	O
peak	O
.	O
</s>
<s>
Zolgear	O
appears	O
in	O
later	O
Namco	O
games	O
:	O
in	O
Bounty	B-Application
Hounds	I-Application
,	O
player	O
can	O
fight	O
an	O
infant	O
Zolgear	O
.	O
</s>
<s>
In	O
the	O
canceled	O
Japanese	O
real-time	O
strategy	O
game	O
New	B-Application
Space	I-Application
Order	I-Application
,	O
the	O
Zolgear	O
would	O
have	O
been	O
a	O
player-controllable	O
unit	O
(	O
treated	O
as	O
a	O
"	O
planet	O
buster	O
"	O
unit	O
,	O
which	O
can	O
reduce	O
a	O
targeted	O
planet	O
's	O
population	O
to	O
zero	O
)	O
in	O
the	O
"	O
Sacred	O
Religious	O
State	O
"	O
nation	O
.	O
</s>
