<s>
Somer	B-Application
Assault	I-Application
,	O
known	O
as	O
Mesopotamia	O
in	O
Japan	O
,	O
is	O
a	O
video	O
game	O
developed	O
and	O
published	O
by	O
Atlus	O
in	O
1991	O
for	O
the	O
TurboGrafx-16	B-General_Concept
.	O
</s>
<s>
This	O
side-scrolling	O
action	B-Application
game	I-Application
features	O
an	O
unnamed	O
pink	O
Slinky	O
object/creature	O
as	O
the	O
protagonist	O
which	O
can	O
fire	O
bullets	O
from	O
its	O
sides	O
,	O
jump	O
,	O
and	O
slink	O
along	O
walls	O
in	O
its	O
quest	O
to	O
stop	O
an	O
evil	O
sorceress	O
.	O
</s>
<s>
"	O
In	O
a	O
time	O
and	O
world	O
not	O
of	O
our	O
own	O
"	O
,	O
the	O
evil	O
Sorceress	O
uses	O
her	O
dark	O
powers	O
to	O
summon	O
twelve	O
powerful	O
minions	O
,	O
each	O
of	O
them	O
representing	O
one	O
Zodiac	B-Algorithm
sign	O
,	O
and	O
sends	O
them	O
to	O
conquer	O
the	O
world	O
.	O
</s>
<s>
The	O
Slinky	O
has	O
to	O
battle	O
through	O
12	O
stages	O
of	O
enemies	O
,	O
destroying	O
each	O
Zodiac	B-Algorithm
boss	O
along	O
the	O
way	O
,	O
in	O
order	O
to	O
reach	O
the	O
Sorceress	O
herself	O
and	O
put	O
an	O
end	O
to	O
her	O
plot	O
.	O
</s>
