<s>
3	B-Application
Ninjas	I-Application
Kick	I-Application
Back	I-Application
is	O
a	O
beat	B-Application
'	I-Application
em	I-Application
up	I-Application
platform	O
game	O
for	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
,	O
Super	B-Application
Nintendo	I-Application
Entertainment	I-Application
System	I-Application
,	O
and	O
Sega	B-Device
CD	I-Device
.	O
</s>
<s>
The	O
Genesis	B-Operating_System
version	O
was	O
published	O
by	O
Psygnosis	O
while	O
the	O
SNES	B-Application
and	O
Sega	B-Device
CD	I-Device
versions	O
were	O
published	O
by	O
Sony	O
Imagesoft	O
.	O
</s>
<s>
The	O
game	O
is	O
based	O
on	O
the	O
film	O
of	O
the	O
same	B-Application
name	I-Application
.	O
</s>
<s>
The	O
master	O
samurai	O
competed	O
in	O
a	O
ninja	B-Application
tournament	O
fifty	O
years	O
ago	O
for	O
a	O
magical	O
dagger	O
and	O
an	O
ancient	O
samurai	O
sword	O
thought	O
to	O
be	O
the	O
key	O
to	O
opening	O
a	O
hidden	O
cave	O
full	O
of	O
treasure	O
.	O
</s>
<s>
Now	O
,	O
too	O
old	O
to	O
continue	O
searching	O
,	O
the	O
master	O
sends	O
his	O
three	O
young	O
apprentices	O
,	O
the	O
young	O
ninja	B-Application
brothers	O
,	O
Rocky	O
,	O
Colt	O
,	O
and	O
Tum-Tum	O
,	O
to	O
assist	O
him	O
in	O
retrieving	O
the	O
prized	O
dagger	O
.	O
</s>
<s>
Once	O
it	O
has	O
been	O
restored	O
to	O
its	O
rightful	O
owner	O
,	O
the	O
dagger	O
shall	O
once	O
again	O
be	O
passed	O
along	O
to	O
younger	O
generations	O
,	O
through	O
the	O
winners	O
of	O
the	O
ninja	B-Application
tournament	O
.	O
</s>
<s>
Rocky	O
has	O
a	O
bo	O
,	O
Colt	O
uses	O
a	O
katana	B-Operating_System
,	O
and	O
Tum-tum	O
wields	O
twin	O
sai	O
.	O
</s>
<s>
Enemies	O
consist	O
of	O
rebel	O
ninjas	B-Application
working	O
for	O
Koga	O
,	O
wild	O
animals	O
such	O
as	O
dogs	O
and	O
bats	O
,	O
and	O
hazards	O
such	O
as	O
moving	O
boulders	O
and	O
spikes	O
.	O
</s>
<s>
Reviewing	O
the	O
SNES	B-Application
version	O
,	O
Tommy	O
Glide	O
of	O
GamePro	O
called	O
the	O
game	O
a	O
"	O
below-average	O
platform	O
adventure	O
"	O
,	O
citing	O
the	O
last-generation	O
character	O
graphics	O
and	O
sometimes	O
troublesome	O
controls	O
,	O
though	O
he	O
did	O
praise	O
the	O
sound	O
effects	O
and	O
the	O
two-player	O
cooperative	O
gameplay	O
and	O
acknowledged	O
that	O
"	O
fans	O
of	O
the	O
film	O
might	O
like	O
it	O
"	O
.	O
</s>
