<s>
ZPC	B-Application
(	O
Zero	O
Population	O
Count	O
)	O
is	O
a	O
first-person	O
shooter	O
video	O
game	O
which	O
uses	O
the	O
Marathon	B-Application
2	I-Application
engine	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
Zombie	O
LLC	O
,	O
published	O
by	O
GT	O
Interactive	O
and	O
released	O
on	O
October	O
31	O
,	O
1996	B-Application
.	O
</s>
<s>
At	O
some	O
point	O
prior	O
to	O
November	O
2003	O
,	O
Hughes	O
announced	O
plans	O
to	O
create	O
or	O
bring	O
about	O
a	O
full-length	O
ZPC	B-Application
film	O
,	O
but	O
nothing	O
came	O
of	O
this	O
.	O
</s>
<s>
Air	O
Hendrix	O
of	O
GamePro	O
found	O
ZPC	B-Application
severely	O
outdated	O
,	O
for	O
both	O
its	O
2D	O
graphics	O
and	O
its	O
gameplay	O
,	O
which	O
he	O
found	O
made	O
little	O
advance	O
beyond	O
1993	O
's	O
Doom	B-Application
.	O
</s>
<s>
A	O
Next	O
Generation	O
critic	O
said	O
much	O
the	O
same	O
:	O
"	O
Gameplay	O
sticks	O
to	O
the	O
tried-and-true	O
tactics	O
of	O
the	O
legion	O
of	O
Doom	B-Application
clones	O
...	O
</s>
<s>
While	O
the	O
level	O
and	O
puzzle	O
design	O
are	O
entirely	O
satisfying	O
,	O
ZPC	B-Application
would	O
be	O
just	O
another	O
pretender	O
to	O
the	O
throne	O
if	O
it	O
were	O
n't	O
for	O
the	O
tremendous	O
atmosphere	O
provided	O
by	O
artists	O
Aiden	O
Hughes	O
and	O
musicians	O
Roland	O
and	O
Paul	O
Barker	O
"	O
.	O
</s>
<s>
He	O
elaborated	O
that	O
"	O
Hughes	O
's	O
predominantly	O
black	O
and	O
red	O
palette	O
and	O
structuralist	O
approach	O
make	O
ZPC	B-Application
one	O
of	O
the	O
most	O
unique-looking	O
games	O
around.	O
"	O
</s>
