<s>
is	O
an	O
isometric	B-Application
perspective	I-Application
scrolling	O
shooter	O
arcade	O
game	O
that	O
was	O
released	O
by	O
Namco	O
in	O
1987	O
,	O
only	O
in	O
Japan	O
;	O
it	O
runs	O
on	O
the	O
company	O
's	O
System	O
1	O
hardware	O
,	O
and	O
used	O
a	O
three-quarter-view	O
perspective	O
(	O
another	O
one	O
of	O
them	O
is	O
Namco	O
's	O
own	O
Pac-Mania	B-Application
)	O
.	O
</s>
<s>
The	O
player	O
must	O
alternate	O
between	O
a	O
tank	O
named	O
"	O
Vanguard	O
"	O
and	O
a	O
helicopter	B-Application
named	O
"	O
Hardy	O
"	O
(	O
and	O
for	O
the	O
tenth	O
and	O
final	O
mission	O
,	O
a	O
hovercraft	O
named	O
"	O
Atlanta	O
"	O
)	O
,	O
to	O
kill	O
enemies	O
both	O
on	O
land	O
and	O
in	O
the	O
air	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Blazer	B-Application
on	O
their	O
September	O
1	O
,	O
1987	O
issue	O
as	O
being	O
the	O
fifteenth	O
most-successful	O
table	O
arcade	O
unit	O
of	O
the	O
month	O
.	O
</s>
