<s>
Teenage	B-Application
Mutant	I-Application
Ninja	I-Application
Turtles	I-Application
:	I-Application
Manhattan	I-Application
Missions	I-Application
is	O
a	O
1991	O
computer	O
game	O
for	O
DOS	B-Device
featuring	O
the	O
Teenage	B-Application
Mutant	I-Application
Ninja	I-Application
Turtles	I-Application
.	O
</s>
<s>
The	O
gameplay	O
is	O
similar	O
to	O
the	O
original	O
Prince	B-Application
of	I-Application
Persia	I-Application
,	O
as	O
characters	O
switch	O
between	O
free	O
movement	O
and	O
melee	O
fighting	O
stances	O
in	O
a	O
two-dimensional	O
platformer	O
environment	O
.	O
</s>
<s>
Manhattan	O
Missions	O
is	O
notable	O
for	O
its	O
more	O
mature	O
tone	O
and	O
setting	O
than	O
other	O
TMNT	B-Application
games	I-Application
of	O
its	O
time	O
.	O
</s>
<s>
The	O
game	O
greatly	O
draws	O
upon	O
the	O
original	O
Mirage	O
comics	O
and	O
theatrical	O
films	O
,	O
unlike	O
other	O
contemporary	O
TMNT	B-Application
games	I-Application
which	O
were	O
mostly	O
based	O
on	O
the	O
1987	O
TV	O
series	O
.	O
</s>
<s>
The	O
opening	O
story	O
is	O
loosely	O
based	O
on	O
the	O
story	O
from	O
the	O
original	O
Teenage	B-Application
Mutant	I-Application
Ninja	I-Application
Turtles	I-Application
#1	O
.	O
</s>
