<s>
is	O
a	O
puzzle	O
video	O
game	O
developed	O
by	O
Game	O
Freak	O
and	O
published	O
by	O
Nintendo	O
for	O
the	O
Super	B-Application
Famicom	I-Application
.	O
</s>
<s>
Mario	B-Application
&	I-Application
Wario	I-Application
requires	O
the	O
Super	B-Device
Famicom	I-Device
Mouse	I-Device
accessory	B-Device
to	O
play	O
.	O
</s>
<s>
The	O
gameplay	O
of	O
Mario	B-Application
&	I-Application
Wario	I-Application
focuses	O
on	O
guiding	O
Mario	B-Application
,	O
who	O
has	O
various	O
objects	O
placed	O
atop	O
his	O
head	O
by	O
his	O
self-declared	O
arch	O
rival	O
Wario	O
,	O
through	O
a	O
series	O
of	O
levels	O
consisting	O
of	O
various	O
obstacles	O
and	O
traps	O
.	O
</s>
<s>
Because	O
Mario	B-Application
has	O
been	O
rendered	O
sightless	O
and	O
is	O
constantly	O
in	O
danger	O
of	O
walking	O
into	O
hazards	O
,	O
the	O
player	O
controls	O
the	O
fairy	O
Wanda	B-Application
,	O
who	O
can	O
protect	O
Mario	B-Application
by	O
changing	O
the	O
environment	O
around	O
him	O
as	O
he	O
moves	O
towards	O
the	O
levels	O
 '	O
end	O
.	O
</s>
<s>
Mario	B-Application
&	I-Application
Wario	I-Application
focuses	O
on	O
Mario	B-Application
,	O
who	O
has	O
various	O
objects	O
,	O
including	O
buckets	O
and	O
vases	O
,	O
dropped	O
onto	O
his	O
head	O
from	O
an	O
airplane	O
by	O
the	O
antagonist	O
Wario	O
.	O
</s>
<s>
Because	O
the	O
objects	O
render	O
Mario	B-Application
sightless	O
,	O
it	O
is	O
the	O
main	O
goal	O
of	O
the	O
player	O
to	O
guide	O
Mario	B-Application
through	O
each	O
level	O
,	O
which	O
consist	O
of	O
various	O
obstacles	O
and	O
traps	O
,	O
to	O
his	O
brother	O
Luigi	O
,	O
who	O
can	O
remove	O
the	O
offending	O
object	O
.	O
</s>
<s>
Because	O
Mario	B-Application
will	O
constantly	O
walk	O
left	O
or	O
right	O
regardless	O
of	O
any	O
oncoming	O
hazards	O
,	O
the	O
player	O
controls	O
the	O
fairy	O
Wanda	B-Application
,	O
who	O
possesses	O
the	O
ability	O
to	O
manipulate	O
the	O
environment	O
in	O
order	O
to	O
protect	O
Mario	B-Application
.	O
</s>
<s>
Wanda	B-Application
is	O
controlled	O
via	O
a	O
point-and-click	O
interface	O
with	O
the	O
Super	B-Device
Famicom	I-Device
Mouse	I-Device
accessory	B-Device
,	O
influencing	O
objects	O
on	O
the	O
screen	O
when	O
clicked	O
.	O
</s>
<s>
For	O
example	O
,	O
Wanda	B-Application
can	O
solidify	O
block	O
outlines	O
for	O
use	O
as	O
barriers	O
or	O
bridges	O
for	O
Mario	B-Application
to	O
walk	O
across	O
,	O
and	O
can	O
destroy	O
certain	O
obstacles	O
and	O
enemies	O
.	O
</s>
<s>
The	O
player	O
can	O
also	O
click	O
Mario	B-Application
to	O
turn	O
him	O
around	O
and	O
reverse	O
his	O
direction	O
.	O
</s>
<s>
Mario	B-Application
&	I-Application
Wario	I-Application
contains	O
a	O
total	O
of	O
100	O
levels	O
allotted	O
amongst	O
ten	O
unique	O
locales	O
,	O
which	O
include	O
forest	O
,	O
desert	O
,	O
and	O
underwater	O
settings	O
,	O
each	O
with	O
a	O
different	O
offering	O
of	O
enemies	O
or	O
hazards	O
.	O
</s>
<s>
In	O
addition	O
to	O
Mario	B-Application
,	O
the	O
player	O
can	O
select	O
Princess	O
Peach	O
or	O
Yoshi	B-Application
to	O
be	O
the	O
character	O
that	O
is	O
guided	O
through	O
each	O
level	O
.	O
</s>
<s>
Princess	O
Peach	O
walks	O
slower	O
than	O
Mario	B-Application
and	O
Yoshi	B-Application
walks	O
faster	O
,	O
which	O
may	O
offer	O
advantages	O
or	O
disadvantages	O
depending	O
on	O
how	O
difficult	O
a	O
particular	O
level	O
is	O
or	O
how	O
fast	O
the	O
player	O
seeks	O
to	O
complete	O
it	O
.	O
</s>
<s>
At	O
the	O
end	O
of	O
each	O
locale	O
,	O
Wanda	B-Application
directly	O
battles	O
Wario	O
with	O
the	O
player	O
character	O
looking	O
on	O
,	O
attacking	O
his	O
plane	O
and	O
earning	O
coins	O
from	O
it	O
until	O
he	O
is	O
burnt	O
and	O
flees	O
.	O
</s>
<s>
Mario	B-Application
&	I-Application
Wario	I-Application
was	O
designed	O
by	O
Pokémon	B-Application
creator	O
Satoshi	O
Tajiri	O
and	O
developed	O
by	O
Game	O
Freak	O
.	O
</s>
<s>
According	O
to	O
Masuda	O
,	O
an	O
early	O
version	O
of	O
the	O
game	O
involved	O
catching	O
monsters	O
by	O
shooting	O
out	O
a	O
net	O
using	O
the	O
Super	B-Device
Scope	I-Device
.	O
</s>
<s>
Control	O
was	O
then	O
switched	O
to	O
the	O
Super	B-Device
Famicom	I-Device
Mouse	I-Device
.	O
</s>
<s>
While	O
the	O
game	O
is	O
Japan-exclusive	O
,	O
Mario	B-Application
&	I-Application
Wario	I-Application
was	O
referenced	O
in	O
other	O
Nintendo	O
games	O
released	O
outside	O
the	O
region	O
.	O
</s>
<s>
The	O
Game	B-Device
Boy	I-Device
role-playing	O
game	O
Pokémon	B-Application
Red	I-Application
and	I-Application
Blue	I-Application
,	O
also	O
developed	O
by	O
Game	O
Freak	O
,	O
alludes	O
to	O
the	O
game	O
:	O
checking	O
the	O
Super	B-Application
NES	I-Application
belonging	O
to	O
a	O
non-playable	O
character	O
displays	O
the	O
message	O
"	O
A	O
game	O
with	O
MARIO	B-Application
wearing	O
a	O
bucket	O
on	O
his	O
head	O
!	O
"	O
</s>
<s>
This	O
reference	O
returns	O
in	O
Pokémon	B-Device
FireRed	I-Device
and	I-Device
LeafGreen	I-Device
.	O
</s>
<s>
The	O
bucket	O
used	O
to	O
obscure	O
Mario	B-Application
's	O
vision	O
is	O
collectible	O
both	O
as	O
an	O
item	O
in	O
Kirby	B-Application
Super	I-Application
Star	I-Application
and	O
as	O
a	O
trophy	O
in	O
Super	B-Application
Smash	I-Application
Bros	I-Application
.	I-Application
Melee	I-Application
.	O
</s>
