<s>
is	O
a	O
puzzle	O
video	O
game	O
for	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
.	O
</s>
<s>
It	O
was	O
released	O
only	O
in	O
English	O
in	O
Japan	O
in	O
1998	O
,	O
and	O
is	O
the	O
only	O
Nintendo	B-Operating_System
64	I-Operating_System
game	O
that	O
works	O
with	O
the	O
bio	O
sensor	O
accessory	O
,	O
which	O
it	O
included	O
.	O
</s>
<s>
The	O
bio	O
sensor	O
is	O
a	O
Nintendo	B-Operating_System
64	I-Operating_System
accessory	O
produced	O
by	O
SETA	O
and	O
only	O
available	O
in	O
Japan	O
.	O
</s>
<s>
It	O
was	O
sold	O
on	O
its	O
own	O
or	O
packaged	O
with	O
Tetris	B-Application
64	I-Application
.	O
</s>
<s>
It	O
looks	O
like	O
a	O
Nintendo	B-Operating_System
64	I-Operating_System
controller	O
pak	O
with	O
a	O
wire	O
coming	O
out	O
of	O
it	O
with	O
a	O
clip	O
on	O
the	O
end	O
.	O
</s>
<s>
One	O
end	O
of	O
the	O
sensor	O
plugs	O
into	O
the	O
extension	O
port	O
on	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
controller	O
,	O
and	O
the	O
other	O
end	O
clips	O
onto	O
the	O
player	O
's	O
ear	O
.	O
</s>
<s>
The	O
game	O
was	O
praised	O
for	O
its	O
multiplayer	O
mode	O
,	O
and	O
was	O
at	O
the	O
time	O
the	O
only	O
Nintendo	B-Operating_System
64	I-Operating_System
Tetris	B-Device
game	O
which	O
allowed	O
four-player	O
mode	O
.	O
</s>
<s>
The	O
game	O
was	O
criticized	O
for	O
its	O
poor	O
graphics	O
and	O
simple	O
backgrounds	O
which	O
could	O
not	O
match	O
other	O
Tetris	B-Device
games	O
out	O
on	O
the	O
system	O
at	O
the	O
same	O
time	O
,	O
such	O
as	O
Magical	B-Application
Tetris	I-Application
Challenge	I-Application
or	O
The	B-Device
New	I-Device
Tetris	I-Device
.	O
</s>
