<s>
Hammerfist	B-Application
is	O
a	O
side-scrolling	B-Application
beat	I-Application
'	I-Application
em	I-Application
up	I-Application
video	O
game	O
developed	O
by	O
Vivid	O
Image	O
and	O
released	O
in	O
1990	O
for	O
the	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
,	O
Commodore	O
64	O
,	O
Amstrad	B-Device
CPC	I-Device
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
<s>
Two	O
of	O
these	O
agents	O
,	O
Hammerfist	B-Application
and	O
Metalisis	O
,	O
have	O
malfunctioned	O
and	O
turned	O
against	O
Centro-Holographix	O
,	O
seeking	O
to	O
destroy	O
it	O
and	O
liberate	O
their	O
original	O
human	O
forms	O
.	O
</s>
<s>
Finally	O
,	O
Hammerfist	B-Application
and	O
Metalisis	O
reach	O
a	O
destroyed	O
city	O
and	O
penetrate	O
the	O
Centro-Holographix	O
facility	O
,	O
confronting	O
and	O
eventually	O
destroying	O
the	O
corporation	O
's	O
ruler	O
,	O
a	O
being	O
known	O
only	O
as	O
The	O
Master	O
.	O
</s>
<s>
Hammerfist	B-Application
and	O
Metalisis	O
,	O
separated	O
into	O
their	O
original	O
bodies	O
,	O
escape	O
Centro-Holographix	O
for	O
good	O
.	O
</s>
<s>
The	O
player	O
controls	O
either	O
the	O
male	O
Hammerfist	B-Application
or	O
the	O
female	O
Metalisis	O
;	O
as	O
they	O
occupy	O
the	O
same	O
body	O
,	O
the	O
player	O
can	O
transform	O
from	O
one	O
to	O
the	O
other	O
at	O
any	O
time	O
in	O
order	O
to	O
utilize	O
their	O
distinct	O
skills	O
.	O
</s>
<s>
Hammerfist	B-Application
is	O
a	O
more	O
powerful	O
combatant	O
,	O
able	O
to	O
sustain	O
more	O
damage	O
and	O
fire	O
energy	O
bolts	O
from	O
his	O
fists	O
,	O
while	O
Metalisis	O
is	O
able	O
to	O
cartwheel	O
(	O
or	O
'	O
flick-flack	O
'	O
)	O
over	O
obstacles	O
and	O
gaps	O
between	O
platforms	O
.	O
</s>
<s>
The	O
game	O
features	O
separate	O
health	O
bars	O
for	O
Hammerfist	B-Application
and	O
Metalisis	O
,	O
with	O
the	O
player	O
being	O
restricted	O
to	O
one	O
character	O
after	O
the	O
other	O
is	O
killed	O
,	O
as	O
well	O
as	O
one	O
for	O
The	O
Master	O
.	O
</s>
<s>
Hammerfist	B-Application
was	O
the	O
first	O
game	O
produced	O
by	O
UK	O
developers	O
Vivid	O
Image	O
,	O
a	O
company	O
formed	O
by	O
Mev	O
Dinc	O
,	O
Hugh	O
Riley	O
and	O
John	O
Twiddy	O
.	O
</s>
<s>
The	O
three	O
of	O
them	O
worked	O
previously	O
for	O
System	O
3	O
,	O
leaving	O
immediately	O
upon	O
the	O
completion	O
of	O
Last	B-Application
Ninja	I-Application
2	I-Application
in	O
1988	O
order	O
to	O
form	O
their	O
own	O
company	O
.	O
</s>
<s>
A	O
version	O
was	O
developed	O
for	O
the	O
Konix	B-Device
Multisystem	I-Device
,	O
but	O
as	O
that	O
console	O
was	O
never	O
released	O
,	O
neither	O
was	O
the	O
game	O
.	O
</s>
<s>
All	O
versions	O
of	O
Hammerfist	B-Application
received	O
positive	O
reviews	O
at	O
the	O
time	O
of	O
release	O
.	O
</s>
<s>
said	O
that	O
the	O
Amiga	B-Device
version	O
was	O
"	O
graphically	O
superb	O
...	O
a	O
better	O
beat	B-Application
'	I-Application
em	I-Application
up	I-Application
than	O
many	O
of	O
the	O
mediocre	O
coin-op	O
conversions	O
that	O
are	O
currently	O
available	O
for	O
the	O
Amiga.	O
"	O
</s>
<s>
Amiga	B-Device
Format	O
gave	O
the	O
game	O
a	O
score	O
of	O
89%	O
,	O
praising	O
its	O
complexity	O
and	O
stating	O
"	O
Hammerfist	B-Application
is	O
definitely	O
a	O
game	O
to	O
keep	O
you	O
busy	O
for	O
a	O
very	O
long	O
time.	O
"	O
</s>
