<s>
is	O
a	O
side-scrolling	B-Application
beat	I-Application
'	I-Application
em	I-Application
up	I-Application
arcade	O
video	O
game	O
developed	O
by	O
Pallas	O
and	O
published	O
internationally	O
by	O
SNK	O
for	O
both	O
the	O
Neo	B-Application
Geo	I-Application
MVS	I-Application
(	O
arcade	O
)	O
and	O
Neo	B-Application
Geo	I-Application
AES	I-Application
(	O
home	O
)	O
platforms	O
in	O
1991	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
Kazumasa	O
Hirai	O
's	O
1963	O
manga	O
and	O
anime	O
superhero	O
of	O
the	O
same	B-Application
name	I-Application
,	O
who	O
is	O
considered	O
one	O
of	O
the	O
earliest	O
cyborg	B-Application
superhero	O
characters	O
from	O
Japan	O
.	O
</s>
<s>
Staying	O
true	O
to	O
its	O
concept	O
of	O
a	O
crime-fighting	O
super-robot	O
,	O
players	O
take	O
the	O
role	O
of	O
8	B-Application
Man	I-Application
and	O
his	O
robo-comrade	O
9	O
Man	O
respectively	O
in	O
a	O
fight	O
against	O
an	O
invading	O
evil	O
robot	O
army	O
.	O
</s>
<s>
Eight	B-Application
Man	I-Application
is	O
a	O
side-scrolling	B-Application
beat	I-Application
'	I-Application
em	I-Application
up	I-Application
game	O
where	O
players	O
control	O
the	O
cyborg	B-Application
superhero	O
8	B-Application
Man	I-Application
(	O
P1	O
)	O
and	O
his	O
former	O
rival	O
comrade	O
9	O
Man	O
(	O
P2	O
)	O
,	O
across	O
ten	O
stages	O
that	O
take	O
place	O
in	O
a	O
futuristic	O
setting	O
where	O
a	O
bio-computer	O
system	O
called	O
Cyber	O
is	O
threatening	O
mankind	O
with	O
his	O
army	O
of	O
robots	O
.	O
</s>
<s>
RePlay	O
reported	O
Eight	B-Application
Man	I-Application
to	O
be	O
the	O
fourth	O
most-popular	O
arcade	O
game	O
at	O
the	O
time	O
.	O
</s>
<s>
Eight	B-Application
Man	I-Application
received	O
mixed	O
to	O
positive	O
reception	O
since	O
its	O
initial	O
release	O
in	O
arcades	O
and	O
Neo	B-Application
Geo	I-Application
AES	I-Application
.	O
</s>
