<s>
Space	B-Application
Pirates	I-Application
and	I-Application
Zombies	I-Application
(	O
S.P.A.Z.	B-Application
)	O
</s>
<s>
is	O
a	O
real-time	O
strategy	O
video	O
game	O
released	O
on	O
August	O
15	O
,	O
2011	O
,	O
on	O
the	O
Steam	B-Application
distribution	I-Application
platform	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
by	O
a	O
two-man	O
team	O
under	O
the	O
studio	O
MinMax	O
Games	O
using	O
the	O
Torque	B-Application
engine	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
later	O
ported	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Linux	B-Application
systems	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Space	B-Application
Pirates	I-Application
and	I-Application
Zombies	I-Application
2	O
,	O
was	O
announced	O
on	O
February	O
5	O
,	O
2014	O
,	O
and	O
was	O
set	O
to	O
be	O
released	O
in	O
the	O
1st	O
quarter	O
of	O
2015	O
,	O
but	O
it	O
was	O
delayed	O
until	O
2016	O
.	O
</s>
<s>
Space	B-Application
Pirates	I-Application
and	I-Application
Zombies	I-Application
2	O
has	O
been	O
in	O
Early	O
Access	O
on	O
Steam	O
until	O
its	O
release	O
on	O
November	O
7	O
,	O
2017	O
.	O
</s>
<s>
S.P.A.Z.	B-Application
</s>
<s>
They	O
were	O
working	O
on	O
the	O
unreleased	O
Scarface	B-Device
2	O
,	O
the	O
sequel	O
to	O
Scarface	B-Device
:	I-Device
The	I-Device
World	I-Device
Is	I-Device
Yours	I-Device
,	O
for	O
two	O
years	O
before	O
the	O
project	O
was	O
cancelled	O
.	O
</s>
<s>
Taking	O
on	O
development	O
of	O
S.P.A.Z.	B-Application
</s>
<s>
S.P.A.Z.	B-Application
</s>
<s>
was	O
modeled	O
on	O
video	O
games	O
from	O
what	O
the	O
developers	O
consider	O
"	O
the	O
..	O
golden	O
age	O
of	O
gaming	O
..	O
"	O
,	O
including	O
series	O
such	O
as	O
X-com	B-Application
,	O
Star	B-Application
Control	I-Application
and	O
Mechwarrior	O
,	O
but	O
given	O
"	O
a	O
..	O
modern	O
twist.	O
"	O
</s>
<s>
Various	O
aspects	O
of	O
these	O
titles	O
and	O
others	O
were	O
combined	O
to	O
form	O
S.P.A.Z.	B-Application
</s>
<s>
The	O
top-down	O
perspective	O
space	O
combat	O
aspect	O
was	O
influenced	O
by	O
Star	B-Application
Control	I-Application
,	O
the	O
physics	O
and	O
emphasis	O
on	O
craft	O
design	O
from	O
Mechwarrior	O
was	O
added	O
to	O
this	O
to	O
form	O
the	O
base	O
of	O
the	O
game	O
.	O
</s>
<s>
The	O
role-playing	O
game	O
style	O
skill	O
tree	O
of	O
Diablo	B-Application
was	O
combined	O
with	O
the	O
tiered	O
research	O
system	O
of	O
X-com	B-Application
to	O
produce	O
the	O
required	O
effect	O
.	O
</s>
<s>
The	O
in-game	O
universe	O
was	O
inspired	O
by	O
the	O
exploration	O
aspects	O
of	O
Freelancer	B-Language
and	O
Homeworld	B-Application
,	O
producing	O
"	O
a	O
..	O
top	O
down	O
space	O
action	O
RPG	O
"	O
similar	O
to	O
a	O
simplified	O
descendant	O
of	O
Escape	B-Operating_System
Velocity	I-Operating_System
.	O
</s>
<s>
The	O
developers	O
incorporated	O
this	O
,	O
allowing	O
zombie	O
ships	O
to	O
effectively	O
reproduce	O
by	O
infecting	O
the	O
players	O
 '	O
craft	O
similar	O
to	O
Homeworld	B-Application
:	I-Application
Cataclysm	I-Application
's	O
antagonist	O
.	O
</s>
<s>
Weapons	O
from	O
Babylon	O
5	O
and	O
Star	B-Operating_System
Trek	I-Operating_System
were	O
added	O
to	O
the	O
game	O
,	O
whenever	O
the	O
team	O
saw	O
examples	O
which	O
were	O
not	O
emulated	O
within	O
the	O
game	O
they	O
attempted	O
to	O
create	O
them	O
.	O
</s>
<s>
Balancing	O
the	O
randomly	O
generated	O
galaxies	O
would	O
have	O
proven	O
difficult	O
,	O
but	O
because	O
S.P.A.Z.	B-Application
</s>
<s>
Space	B-Application
Pirates	I-Application
and	I-Application
Zombies	I-Application
received	O
both	O
positive	O
and	O
mixed	O
reviews	O
and	O
previews	O
from	O
video	O
game	O
critics	O
,	O
covering	O
both	O
the	O
beta	O
version	O
of	O
the	O
game	O
and	O
the	O
final	O
release	O
.	O
</s>
<s>
Smith	O
also	O
stated	O
"	O
I	O
think	O
a	O
lot	O
of	O
modern	O
PC	O
gamers	O
would	O
cheer	O
at	O
any	O
dev	O
trying	O
to	O
breathe	O
life	O
into	O
the	O
frozen	O
body	O
of	O
the	O
space	O
shooter	O
genre	O
..	O
"	O
,	O
but	O
added	O
"	O
S	O
..	O
</s>
<s>
He	O
summed	O
up	O
by	O
recommending	O
the	O
game	O
to	O
"	O
serious	O
..	O
fans	O
of	O
games	O
like	O
Master	O
of	O
Orion	O
,	O
Star	B-Application
Control	I-Application
2	O
,	O
Space	O
Rangers	O
2	O
,	O
or	O
other	O
space-based	O
,	O
genre-bending	O
games	O
..	O
"	O
.	O
</s>
