<s>
Whomp	B-Application
'	I-Application
Em	I-Application
,	O
the	O
North	O
American	O
version	O
of	O
the	O
Japanese	O
game	O
(	O
1990	O
)	O
,	O
is	O
a	O
platform	O
game	O
released	O
on	O
the	O
Nintendo	O
Entertainment	O
System	O
in	O
March	O
1991	O
.	O
</s>
<s>
Whomp	B-Application
'	I-Application
Em	I-Application
is	O
a	O
platform	O
game	O
with	O
some	O
similarities	O
to	O
the	O
Mega	B-Application
Man	I-Application
and	O
Mario	B-Application
series	I-Application
.	O
</s>
<s>
After	O
each	O
stage	O
,	O
the	O
player	O
gains	O
a	O
new	O
weapon	O
,	O
much	O
like	O
in	O
the	O
original	O
Mega	B-Application
Man	I-Application
series	O
,	O
which	O
was	O
extremely	O
popular	O
at	O
the	O
time	O
.	O
</s>
<s>
Both	O
Whomp	B-Application
'	I-Application
Em	I-Application
and	O
the	O
prior	O
Saiyūki	O
World	O
(	O
which	O
was	O
an	O
adaptation	O
of	O
Wonder	B-Application
Boy	I-Application
in	I-Application
Monster	I-Application
Land	I-Application
)	O
are	O
based	O
on	O
the	O
Journey	B-Application
to	I-Application
the	I-Application
West	I-Application
novel	O
.	O
</s>
<s>
The	O
North	O
American	O
version	O
of	O
the	O
game	O
removed	O
references	O
to	O
Journey	B-Application
to	I-Application
the	I-Application
West	I-Application
,	O
by	O
editing	O
the	O
game	O
's	O
sprite	O
and	O
graphics	O
.	O
</s>
<s>
The	O
North	O
American	O
video	O
gaming	O
magazine	O
Nintendo	B-Application
Power	I-Application
gave	O
Whomp	B-Application
'	I-Application
Em	I-Application
an	O
overall	O
rating	O
of	O
3.1	O
out	O
of	O
5	O
in	O
its	O
May	O
1991	O
review	O
.	O
</s>
