<s>
is	O
a	O
side-scrolling	O
action	B-Application
game	I-Application
by	O
Sega	O
released	O
for	O
the	O
Game	O
Gear	O
in	O
1991	B-Application
.	O
</s>
<s>
It	O
was	O
the	O
first	O
Shinobi	B-Application
game	O
developed	O
specifically	O
for	O
a	O
portable	O
game	O
platform	O
.	O
</s>
<s>
The	O
player	O
controls	O
the	O
modern-day	O
ninja	O
Joe	O
Musashi	O
,	O
protagonist	O
of	O
previous	O
Shinobi	B-Application
games	O
,	O
as	O
he	O
goes	O
on	O
a	O
mission	O
to	O
rescue	O
four	O
kidnapped	O
comrades	O
from	O
an	O
enemy	O
,	O
gaining	O
control	O
of	O
the	O
other	O
ninjas	O
(	O
each	O
with	O
different	O
abilities	O
)	O
as	O
the	O
game	O
progresses	O
in	O
a	O
manner	O
inspired	O
by	O
Mega	B-Application
Man	I-Application
.	O
</s>
<s>
Shinobi	B-Application
II	I-Application
:	I-Application
The	I-Application
Silent	I-Application
Fury	I-Application
in	O
1993	B-Application
.	O
</s>
<s>
Shinobi	B-Application
was	O
one	O
of	O
the	O
first	O
Game	O
Gear	O
games	O
available	O
on	O
the	O
3DS	B-Operating_System
Virtual	B-Application
Console	I-Application
in	O
March	O
2012	O
.	O
</s>
<s>
The	O
Master	O
of	O
the	O
Oboro	O
school	O
of	O
shinobi	B-Application
sends	O
his	O
best	O
students	O
to	O
investigate	O
the	O
suburban	O
areas	O
.	O
</s>
<s>
Now	O
Joe	O
Musashi	O
the	O
Red	O
Shinobi	B-Application
,	O
must	O
carry	O
out	O
this	O
dire	O
mission	O
.	O
</s>
<s>
As	O
the	O
oldest	O
and	O
strongest	O
of	O
his	O
ninja	O
disciples	O
,	O
Musashi	O
must	O
use	O
his	O
special	O
skills	O
in	O
the	O
art	O
of	O
ninjutsu	O
to	O
free	O
his	O
fellow	O
shinobi	B-Application
.	O
</s>
<s>
Shinobi	B-Application
are	O
roughly	O
based	O
on	O
the	O
Genesis	O
game	O
The	B-Application
Revenge	I-Application
of	I-Application
Shinobi	I-Application
,	O
but	O
with	O
the	O
addition	O
of	O
a	O
character-switching	O
system	O
.	O
</s>
<s>
Shinobi	B-Application
an	O
"	O
unquestionably	O
a	O
classic	O
slice	O
of	O
ninja	O
heaven	O
"	O
but	O
noted	O
it	O
was	O
"	O
notoriously	O
difficult	O
"	O
.	O
</s>
