<s>
Aliens	B-Application
Versus	I-Application
Predator	I-Application
is	O
a	O
1999	O
science	O
fiction	O
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
Rebellion	O
Developments	O
and	O
published	O
by	O
Fox	O
Interactive	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Mac	B-Application
OS	I-Application
X	I-Application
.	O
</s>
<s>
A	O
sequel	O
,	O
Aliens	B-Application
Versus	I-Application
Predator	I-Application
2	I-Application
,	O
was	O
developed	O
by	O
Monolith	O
Productions	O
and	O
released	O
by	O
Sierra	O
in	O
2001	O
.	O
</s>
<s>
Like	O
the	O
1994	O
Alien	B-Application
vs	I-Application
Predator	I-Application
game	O
for	O
the	O
Atari	B-Device
Jaguar	I-Device
,	O
Aliens	B-Application
Versus	I-Application
Predator	I-Application
offers	O
three	O
separate	O
campaigns	O
,	O
each	O
playable	O
as	O
a	O
separate	O
species	O
:	O
Alien	O
,	O
Predator	O
,	O
or	O
human	O
Colonial	O
Marine	O
.	O
</s>
<s>
The	O
marine	O
wears	O
armor	O
for	O
protection	O
and	O
uses	O
an	O
image	O
intensifier	O
and	O
flares	B-Application
to	O
improve	O
visibility	O
in	O
dark	O
areas	O
.	O
</s>
<s>
To	O
allow	O
the	O
marine	O
and	O
Predator	O
characters	O
to	O
traverse	O
through	O
the	O
areas	O
of	O
the	O
Alien	O
missions	O
,	O
the	O
player	O
is	O
supplied	O
with	O
a	O
jet	O
pack	O
for	O
the	O
marine	O
and	O
a	O
grappling	B-Application
hook	I-Application
for	O
the	O
Predator	O
.	O
</s>
<s>
The	O
player	O
character	O
escapes	O
in	O
a	O
drop	O
ship	O
and	O
travels	O
to	O
Odobenus	O
Station	O
in	O
orbit	O
above	O
the	O
planetoid	O
,	O
where	O
they	O
battle	O
more	O
Aliens	O
,	O
Predators	O
,	O
facehuggers	O
,	O
and	O
cybernetically-enhanced	B-Application
Aliens	O
until	O
reaching	O
the	O
spaceship	O
Tyrargo	O
.	O
</s>
<s>
The	O
player	O
next	O
visits	O
Fiorina	O
"	O
Fury	O
"	O
161	O
,	O
the	O
prison	O
planet	O
that	O
is	O
the	O
setting	O
of	O
Alien	B-Application
3	I-Application
(	O
1992	O
)	O
,	O
where	O
more	O
Aliens	O
and	O
marines	O
are	O
battled	O
.	O
</s>
<s>
Finally	O
the	O
player	O
visits	O
a	O
marine-controlled	O
Alien	O
habitat	O
,	O
battling	O
cybernetically-enhanced	B-Application
Aliens	O
,	O
"	O
praetorian	O
"	O
Aliens	O
,	O
and	O
finally	O
the	O
Alien	O
queen	O
.	O
</s>
<s>
Aliens	B-Application
Versus	I-Application
Predator	I-Application
was	O
developed	O
by	O
Rebellion	O
Developments	O
and	O
published	O
by	O
Fox	O
Interactive	O
.	O
</s>
<s>
It	O
was	O
announced	O
in	O
1995	O
for	O
release	O
during	O
the	O
1997	O
Christmas	O
season	O
on	O
the	O
PlayStation	B-Device
,	O
Sega	B-Device
Saturn	I-Device
,	O
and	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
However	O
,	O
the	O
PC	O
version	O
was	O
pushed	O
back	O
to	O
1999	O
,	O
while	O
the	O
Saturn	B-Device
and	O
PlayStation	B-Device
versions	O
were	O
scrapped	O
altogether	O
,	O
though	O
the	O
PlayStation	B-Device
was	O
showcased	O
in	O
an	O
early	O
state	O
during	O
E3	O
1997	O
.	O
</s>
<s>
The	O
Saturn	B-Device
version	O
was	O
not	O
displayed	O
at	O
the	O
show	O
,	O
though	O
Rebellion	O
was	O
still	O
planning	O
a	O
release	O
for	O
the	O
system	O
at	O
the	O
time	O
.	O
</s>
<s>
A	O
version	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
was	O
also	O
in	O
development	O
but	O
never	O
released	O
.	O
</s>
<s>
A	O
compilation	O
package	O
titled	O
Aliens	B-Application
Versus	I-Application
Predator	I-Application
:	I-Application
Gold	I-Application
Edition	I-Application
was	O
also	O
released	O
in	O
2000	O
.	O
</s>
<s>
An	O
Apple	B-Device
Macintosh	I-Device
version	O
,	O
for	O
OS	B-Application
X	I-Application
and	O
classical	O
Mac	B-Application
OS	I-Application
,	O
based	O
on	O
the	O
Gold	O
Edition	O
was	O
released	O
by	O
MacPlay	O
in	O
2001	O
.	O
</s>
<s>
A	O
version	O
for	O
Game	B-Device
Boy	I-Device
Advance	I-Device
was	O
to	O
be	O
developed	O
and	O
published	O
by	O
Ubisoft	O
,	O
but	O
eventually	O
canceled	O
.	O
</s>
<s>
Following	O
the	O
source	O
code	O
release	O
,	O
the	O
game	O
was	O
unofficially	O
ported	O
to	O
Linux	B-Application
and	O
hosted	O
at	O
icculus.org	O
in	O
2001	O
,	O
Xbox	B-Operating_System
in	O
2009	O
and	O
for	O
PlayStation	B-Device
Vita	I-Device
in	O
2020	O
.	O
</s>
<s>
On	O
15	O
January	O
2010	O
,	O
after	O
several	O
years	O
of	O
unavailability	O
,	O
Aliens	B-Application
Versus	I-Application
Predator	I-Application
was	O
commercially	O
re-released	O
under	O
the	O
title	O
Aliens	B-Application
Versus	I-Application
Predator	I-Application
Classic	O
2000	O
.	O
</s>
<s>
This	O
version	O
of	O
the	O
game	O
has	O
been	O
updated	O
to	O
work	O
on	O
modern	O
computers	O
,	O
as	O
well	O
as	O
support	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
controllers	O
.	O
</s>
<s>
This	O
release	O
can	O
be	O
purchased	O
either	O
through	O
Valve	O
's	O
Steam	B-Application
digital	O
distribution	O
service	O
,	O
through	O
Green	O
Man	O
Gaming	O
,	O
or	O
through	O
GOG.com	O
where	O
it	O
started	O
as	O
a	O
free	O
giveaway	O
.	O
</s>
<s>
At	O
one	O
point	O
it	O
was	O
available	O
through	O
the	O
now-defunct	O
game	O
streaming	O
service	O
OnLive	B-Application
.	O
</s>
<s>
Aliens	B-Application
Versus	I-Application
Predator	I-Application
received	O
favorable	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
GameRankings	O
.	O
</s>
<s>
GamePro	O
cited	O
the	O
lack	O
of	O
a	O
save	O
feature	O
as	O
a	O
major	O
flaw	O
,	O
but	O
praised	O
the	O
"	O
splendid	O
graphics	O
,	O
perfect	O
sound	O
effects	O
,	O
multiple	O
vision	O
modes	O
,	O
and	O
ambiance	O
"	O
and	O
citing	O
it	O
as	O
"	O
the	O
most	O
frightening	O
game	O
since	O
Half-Life	B-Application
"	O
.	O
</s>
<s>
Edge	O
gave	O
it	O
a	O
score	O
of	O
eight	O
out	O
of	O
ten	O
,	O
saying	O
,	O
"	O
Equally	O
,	O
while	O
AvP	O
lacks	O
the	O
glossiness	O
of	O
its	O
peers	O
(	O
Unreal	B-Application
,	O
Half-Life	B-Application
,	O
etc	O
.	O
)	O
</s>
<s>
It	O
's	O
a	O
shame	O
that	O
the	O
engine	O
did	O
n't	O
have	O
the	O
graphical	O
clout	O
of	O
,	O
say	O
,	O
an	O
Unreal	B-Application
,	O
or	O
some	O
more	O
inventive	O
level	O
design	O
,	O
but	O
it	O
's	O
fine	O
for	O
creating	O
an	O
atmosphere	O
,	O
a	O
commodity	O
it	O
oozes	O
at	O
every	O
step	O
,	O
making	O
it	O
one	O
of	O
the	O
most	O
memorable	O
gaming	O
experiences	O
you	O
're	O
likely	O
to	O
survive.	O
"	O
</s>
<s>
The	O
game	O
was	O
nominated	O
for	O
PC	O
PowerPlays	O
"	O
Best	O
Sound	O
FX	O
"	O
,	O
"	O
Best	O
Enemy	O
"	O
,	O
and	O
"	O
Best	O
Firstperson	O
Shooter	O
(	O
Single	O
Player	O
)	O
"	O
awards	O
,	O
all	O
of	O
which	O
went	O
to	O
Half-Life	B-Application
.	O
</s>
<s>
A	O
sequel	O
called	O
Aliens	B-Application
Versus	I-Application
Predator	I-Application
2	I-Application
was	O
developed	O
by	O
Monolith	O
Productions	O
and	O
released	O
by	O
Sierra	O
in	O
2001	O
.	O
</s>
