<s>
Survival	B-Application
Crisis	I-Application
Z	I-Application
is	O
a	O
video	O
game	O
within	O
both	O
the	O
role	O
playing	O
and	O
survival	O
horror	O
genres	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
published	O
in	O
2004	B-Application
by	O
developer	O
Ska	O
Studios	O
.	O
</s>
<s>
The	O
game	O
takes	O
place	O
in	O
a	O
city	O
during	O
the	O
wake	O
of	O
a	O
zombie	B-Application
apocalypse	I-Application
.	O
</s>
<s>
The	O
game	O
is	O
distributed	O
as	O
a	O
freeware	B-License
digital	O
download	O
.	O
</s>
<s>
Two	O
game	O
modes	O
can	O
be	O
played	O
,	O
the	O
first	O
is	O
Arcade	O
Mode	O
and	O
entails	O
surviving	O
for	O
as	O
long	O
as	O
possible	O
against	O
an	O
onslaught	O
of	O
zombies	O
,	O
this	O
mode	O
has	O
been	O
compared	O
to	O
Robotron	B-Application
:	I-Application
2084	I-Application
.	O
</s>
