<s>
Prey	B-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
Human	O
Head	O
Studios	O
,	O
under	O
contract	O
for	O
3D	O
Realms	O
,	O
and	O
published	O
by	O
2K	O
Games	O
,	O
while	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
was	O
ported	O
by	O
Venom	O
Games	O
.	O
</s>
<s>
Prey	B-Application
uses	O
a	O
heavily	O
modified	O
version	O
of	O
id	B-Application
Tech	I-Application
4	I-Application
to	O
use	O
portals	B-Application
and	O
variable	O
gravity	O
to	O
create	O
the	O
environments	O
the	O
player	O
explores	O
.	O
</s>
<s>
The	O
game	O
's	O
story	O
is	O
focused	O
on	O
Cherokee	B-Language
Domasi	O
"	O
Tommy	O
"	O
Tawodi	O
as	O
he	O
,	O
his	O
girlfriend	O
,	O
and	O
grandfather	O
are	O
abducted	O
aboard	O
an	O
alien	O
spaceship	O
known	O
as	O
The	O
Sphere	O
as	O
it	O
consumes	O
material	O
,	O
both	O
inanimate	O
and	O
living	O
,	O
from	O
Earth	O
in	O
order	O
to	O
sustain	O
itself	O
.	O
</s>
<s>
Tommy	O
's	O
Cherokee	B-Language
heritage	O
allows	O
him	O
to	O
let	O
his	O
spirit	O
roam	O
freely	O
at	O
times	O
and	O
come	O
back	O
to	O
life	O
after	O
dying	O
,	O
which	O
gives	O
Tommy	O
an	O
edge	O
in	O
his	O
battle	O
against	O
the	O
Sphere	O
.	O
</s>
<s>
Prey	B-Application
had	O
been	O
in	O
development	O
in	O
one	O
form	O
or	O
another	O
since	O
1995	O
,	O
and	O
has	O
had	O
several	O
major	O
revisions	O
.	O
</s>
<s>
While	O
the	O
general	O
approach	O
to	O
gameplay	O
,	O
including	O
the	O
use	O
of	O
portals	B-Application
,	O
remained	O
in	O
the	O
game	O
,	O
the	O
story	O
and	O
setting	O
changed	O
several	O
times	O
.	O
</s>
<s>
Prey	B-Application
was	O
a	O
commercial	O
success	O
,	O
selling	O
more	O
than	O
one	O
million	O
copies	O
in	O
the	O
first	O
two	O
months	O
of	O
its	O
release	O
and	O
leading	O
to	O
the	O
abortive	O
development	O
of	O
its	O
sequel	O
Prey	B-Application
2	I-Application
.	O
</s>
<s>
The	O
rights	O
to	O
Prey	B-Application
passed	O
on	O
to	O
Bethesda	O
Softworks	O
,	O
who	O
released	O
an	B-Application
unrelated	I-Application
game	I-Application
of	I-Application
the	I-Application
same	I-Application
name	I-Application
,	O
developed	O
by	O
Arkane	O
Studios	O
,	O
in	O
2017	O
.	O
</s>
<s>
Prey	B-Application
is	O
a	O
first-person	O
shooter	O
with	O
the	O
player	O
in	O
control	O
of	O
the	O
protagonist	O
Tommy	O
as	O
he	O
explores	O
the	O
gigantic	O
extraterrestrial	O
craft	O
Sphere	O
and	O
fights	O
its	O
inhabitants	O
aboard	O
.	O
</s>
<s>
Portals	B-Application
in	O
the	O
game	O
can	O
transport	O
the	O
player	O
from	O
one	O
area	O
to	O
another	O
instantly	O
;	O
portals	B-Application
can	O
be	O
looked	O
and	O
shot	O
through	O
and	O
can	O
also	O
be	O
traveled	O
in	O
reverse	O
.	O
</s>
<s>
Unlike	O
the	O
later	O
game	O
Portal	B-Application
,	O
the	O
player	O
cannot	O
create	O
portals	B-Application
directly	O
without	O
the	O
use	O
of	O
mods	O
,	O
and	O
portals	B-Application
remain	O
fixed	O
in	O
space	O
.	O
</s>
<s>
The	O
bar	O
that	O
the	O
game	O
begins	O
in	O
is	O
interactive	O
,	O
with	O
usable	O
restroom	O
facilities	O
,	O
a	O
TV	O
with	O
various	O
channels	O
(	O
including	O
a	O
clip	O
from	O
Duck	O
and	O
Cover	O
)	O
,	O
a	O
fully	O
playable	O
Pac-Man-style	O
game	O
called	O
Rune	B-Application
Man	O
(	O
referring	O
to	O
a	O
previous	O
game	O
by	O
Human	O
Head	O
entitled	O
Rune	B-Application
)	O
,	O
several	O
video	O
casino	O
machines	O
(	O
including	O
blackjack	B-Application
,	O
draw	O
poker	O
,	O
and	O
a	O
slot	O
machine	O
)	O
,	O
and	O
a	O
jukebox	O
that	O
plays	O
a	O
small	O
selection	O
of	O
licensed	O
songs	O
.	O
</s>
<s>
Domasi	O
"	O
Tommy	O
"	O
Tawodi	O
(	O
voiced	O
by	O
Michael	O
Greyeyes	O
)	O
is	O
a	O
Cherokee	B-Language
mechanic	O
and	O
former	O
United	O
States	O
Army	O
soldier	O
living	O
on	O
a	O
Native	O
American	O
reservation	O
in	O
Oklahoma	O
.	O
</s>
<s>
Tommy	O
,	O
Jen	O
,	O
Tommy	O
's	O
grandfather	O
Enisi	B-Application
,	O
and	O
other	O
captives	O
are	O
transported	O
to	O
a	O
massive	O
alien	O
starship	O
called	O
the	O
Sphere	O
.	O
</s>
<s>
Tommy	O
witnesses	O
Enisi	B-Application
's	O
brutal	O
death	O
in	O
an	O
alien	O
device	O
.	O
</s>
<s>
While	O
tempted	O
,	O
Enisi	B-Application
's	O
spirit	O
contacts	O
Tommy	O
,	O
reminding	O
him	O
of	O
his	O
humanity	O
and	O
duty	O
.	O
</s>
<s>
Tommy	O
heeds	O
his	O
grandfather	O
's	O
advice	O
and	O
drives	O
the	O
Sphere	O
into	O
the	O
Sun	O
,	O
and	O
ends	O
up	O
in	O
the	O
Land	O
of	O
the	O
Ancients	O
once	O
more	O
to	O
see	O
Enisi	B-Application
and	O
Jen	O
.	O
</s>
<s>
Elhuit	O
arrives	O
in	O
the	O
bar	O
and	O
explains	O
to	O
Tommy	O
that	O
she	O
and	O
other	O
Hidden	O
escaped	O
through	O
a	O
portal	B-Application
just	O
before	O
Tommy	O
destroyed	O
the	O
Sphere	O
,	O
and	O
tells	O
Tommy	O
that	O
powerful	O
beings	O
elsewhere	O
wish	O
to	O
meet	O
him	O
.	O
</s>
<s>
Tommy	O
steps	O
through	O
a	O
portal	B-Application
made	O
by	O
Elhuit	O
as	O
the	O
words	O
"	O
Prey	B-Application
will	O
continue	O
...	O
"	O
appear	O
on-screen	O
.	O
</s>
<s>
Prey	B-Application
has	O
a	O
long	O
and	O
storied	O
development	O
history	O
that	O
spans	O
over	O
a	O
decade	O
,	O
starting	O
in	O
1995	O
.	O
</s>
<s>
Prey	B-Application
was	O
envisioned	O
by	O
3D	O
Realms	O
as	O
the	O
first	O
of	O
a	O
number	O
of	O
games	O
to	O
be	O
running	O
on	O
unique	O
,	O
cutting	O
edge	O
game	O
engine	O
technology	O
,	O
developed	O
in	O
house	O
.	O
</s>
<s>
In	O
this	O
sense	O
the	O
project	O
played	O
the	O
same	O
role	O
as	O
Unreal	B-Application
did	O
for	O
Epic	O
Games	O
,	O
and	O
it	O
would	O
retain	O
this	O
role	O
in	O
the	O
company	O
's	O
strategy	O
throughout	O
its	O
development	O
time	O
in	O
the	O
3D	O
Realms	O
studios	O
.	O
</s>
<s>
Prey	B-Application
as	O
a	O
game	O
was	O
to	O
go	O
through	O
many	O
different	O
forms	O
during	O
this	O
first	O
development	O
period	O
.	O
</s>
<s>
A	O
rapid	O
succession	O
of	O
different	O
designs	O
was	O
outlined	O
by	O
Tom	O
Hall	O
(	O
previously	O
of	O
id	O
Software	O
and	O
later	O
of	O
Ion	O
Storm	O
)	O
,	O
who	O
was	O
at	O
that	O
time	O
fresh	O
off	O
the	O
Rise	B-Application
of	I-Application
the	I-Application
Triad	I-Application
team	O
at	O
Apogee	O
Software	O
.	O
</s>
<s>
The	O
game	O
was	O
the	O
first	O
in	O
the	O
genre	O
to	O
make	O
use	O
of	O
moveable	O
portal	B-Application
technology	O
,	O
a	O
feature	O
that	O
allowed	O
rips	O
in	O
space	O
to	O
be	O
created	O
,	O
moved	O
and	O
reshaped	O
in	O
real	O
time	O
.	O
</s>
<s>
It	O
was	O
also	O
thought	O
at	O
the	O
time	O
this	O
engine	O
would	O
be	O
used	O
for	O
Duke	O
Nukem	O
5	O
(	O
the	O
game	O
after	O
Duke	B-Application
Nukem	I-Application
Forever	I-Application
)	O
,	O
but	O
Duke	O
Nukem	O
5	O
was	O
never	O
released	O
.	O
</s>
<s>
The	O
public	O
perception	O
was	O
very	O
positive	O
,	O
the	O
game	O
looked	O
impressive	O
,	O
and	O
3D	O
Realms	O
 '	O
name	O
,	O
fresh	O
from	O
the	O
success	O
of	O
Duke	B-Application
Nukem	I-Application
3D	I-Application
was	O
a	O
mark	O
of	O
quality	O
.	O
</s>
<s>
On	O
December	O
19	O
,	O
1997	O
,	O
3D	O
Realms	O
also	O
released	O
two	O
KMFDM	O
songs	O
in	O
MP3	O
format	O
(	O
that	O
are	O
not	O
on	O
the	O
Prey	B-Application
soundtrack	O
)	O
,	O
"	O
Inane	O
"	O
and	O
"	O
Megalomaniac	O
"	O
.	O
</s>
<s>
Seemingly	O
insurmountable	O
technical	O
problems	O
ground	O
development	O
to	O
a	O
near-halt	O
,	O
and	O
this	O
version	O
of	O
Prey	B-Application
too	O
fell	O
apart	O
.	O
</s>
<s>
Later	O
,	O
on	O
an	O
Internet	O
discussion	O
board	O
head	O
engineer	O
William	O
Scarboro	O
would	O
comment	O
that	O
"	O
in	O
hindsight	O
,	O
portal	B-Application
tricks	O
such	O
as	O
these	O
should	O
be	O
used	O
as	O
tricks	O
,	O
not	O
as	O
an	O
engine	O
paradigm.	O
"	O
</s>
<s>
Shortly	O
after	O
the	O
Schuytema	O
variant	O
of	O
Prey	B-Application
disbanded	O
,	O
3D	O
Realms	O
attempted	O
again	O
to	O
revive	O
the	O
project	O
by	O
bringing	O
on	O
tech	O
programmer	O
Corrinne	O
Yu	O
in	O
November	O
1998	O
.	O
</s>
<s>
On	O
March	O
8	O
,	O
2000	O
,	O
Prey.net	O
(	O
an	O
early	O
Prey	B-Application
site	O
with	O
a	O
section	O
about	O
KMFDM	O
)	O
released	O
a	O
RealAudio	B-Algorithm
file	O
of	O
a	O
third	O
KMFDM	O
song	O
:	O
"	O
Missing	O
Time	O
"	O
,	O
which	O
was	O
going	O
to	O
be	O
part	O
of	O
the	O
Prey	B-Application
soundtrack	O
but	O
was	O
featured	O
in	O
the	O
film	O
Heavy	O
Metal	O
2000	O
instead	O
(	O
under	O
the	O
name	O
MDFMK	O
which	O
is	O
a	O
side	O
project	O
of	O
KMFDM	O
members	O
during	O
their	O
temporary	O
break-up	O
)	O
.	O
</s>
<s>
This	O
time	O
,	O
with	O
the	O
advantage	O
of	O
the	O
necessary	O
portal	B-Application
technology	O
already	O
being	O
a	O
stable	O
and	O
functional	O
component	O
of	O
all	O
modern	O
game	O
engines	O
,	O
3D	O
Realms	O
was	O
able	O
to	O
license	O
the	O
necessary	O
technology	O
instead	O
of	O
having	O
to	O
develop	O
it	O
.	O
</s>
<s>
3D	O
Realms	O
chose	O
the	O
id	B-Application
Tech	I-Application
4	I-Application
game	O
engine	O
from	O
id	O
Software	O
,	O
and	O
Rune	B-Application
developer	O
Human	O
Head	O
Studios	O
was	O
commissioned	O
to	O
develop	O
the	O
game	O
using	O
the	O
previous	O
designs	O
as	O
a	O
base	O
.	O
</s>
<s>
This	O
was	O
followed	O
by	O
a	O
CNN	B-Architecture
article	O
by	O
Chris	O
Morris	O
,	O
claiming	O
that	O
Prey	B-Application
was	O
not	O
only	O
in	O
development	O
,	O
but	O
that	O
it	O
would	O
be	O
shown	O
at	O
E3	O
.	O
</s>
<s>
Soon	O
afterwards	O
,	O
the	O
official	O
Prey	B-Application
teaser	O
site	O
was	O
launched	O
,	O
confirming	O
the	O
game	O
's	O
existence	O
,	O
and	O
hinting	O
that	O
more	O
would	O
be	O
revealed	O
in	O
the	O
June	O
issue	O
of	O
PC	O
Gamer	O
,	O
which	O
indeed	O
featured	O
a	O
seven-page	O
article	O
on	O
Prey	B-Application
.	O
</s>
<s>
Prey	B-Application
was	O
officially	O
announced	O
in	O
a	O
press	O
release	O
by	O
2K	O
Games	O
on	O
April	O
26	O
,	O
2005	O
.	O
</s>
<s>
On	O
May	O
19	O
,	O
2006	O
,	O
3D	O
Realms	O
announced	O
that	O
a	O
demo	O
of	O
Prey	B-Application
would	O
be	O
released	O
on	O
June	O
22	O
,	O
2006	O
—	O
the	O
PC	O
demo	O
was	O
released	O
on	O
this	O
date	O
,	O
but	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
demo	O
was	O
delayed	O
until	O
June	O
30	O
.	O
</s>
<s>
On	O
June	O
28	O
,	O
it	O
was	O
announced	O
that	O
Prey	B-Application
had	O
officially	O
gone	O
gold	O
.	O
</s>
<s>
A	O
playable	O
single	O
and	O
multiplayer	O
demo	O
of	O
the	O
game	O
was	O
released	O
on	O
June	O
22	O
,	O
2006	O
,	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
a	O
downloadable	O
Xbox	B-Operating_System
360	I-Operating_System
demo	O
was	O
released	O
on	O
the	O
Xbox	B-Device
Live	O
Marketplace	O
on	O
June	O
30	O
,	O
2006	O
.	O
</s>
<s>
The	O
June	O
2005	O
issue	O
of	O
PC	O
Gamer	O
revealed	O
that	O
the	O
game	O
uses	O
a	O
heavily	O
modified	O
version	O
of	O
id	B-Application
Tech	I-Application
4	I-Application
capable	O
of	O
rendering	O
"	O
huge	O
cavernous	O
spaces	O
as	O
well	O
as	O
more	O
traditional	O
passages	O
"	O
.	O
</s>
<s>
The	O
game	O
also	O
supports	O
the	O
dynamic	O
portals	B-Application
that	O
were	O
seen	O
in	O
the	O
1997/1998	O
video	O
clips	O
,	O
which	O
are	O
used	O
by	O
friends	O
and	O
foes	O
alike	O
.	O
</s>
<s>
Domasi	O
(	O
Tommy	O
)	O
Tawodi	O
's	O
background	O
was	O
chosen	O
due	O
to	O
the	O
amount	O
of	O
mythology	O
in	O
Cherokee	B-Language
oral	O
tradition	O
,	O
which	O
3D	O
Realms	O
had	O
planned	O
to	O
use	O
for	O
a	O
number	O
of	O
games	O
.	O
</s>
<s>
Greyeyes	O
approved	O
of	O
the	O
way	O
that	O
Tommy	O
was	O
depicted	O
in	O
the	O
game	O
,	O
contrasting	O
Prey	B-Application
to	O
a	O
film	O
production	O
:	O
</s>
<s>
Prey	B-Application
was	O
the	O
only	O
major	O
title	O
to	O
utilize	O
the	O
new	O
Triton	O
distribution	O
system	O
,	O
which	O
went	O
out	O
of	O
business	O
months	O
after	O
the	O
game	O
's	O
launch	O
.	O
</s>
<s>
Following	O
the	O
demise	O
of	O
Triton	O
,	O
Prey	B-Application
moved	O
to	O
distribution	O
via	O
Steam	B-Application
.	O
</s>
<s>
Prey	B-Application
shipped	O
in	O
a	O
Limited	O
Collector	O
's	O
Edition	O
for	O
both	O
PC	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
It	O
came	O
with	O
an	O
embossed	O
collector	O
's	O
tin	O
,	O
an	O
upgrade	O
to	O
one	O
DVD-ROM	O
(	O
as	O
opposed	O
to	O
three	O
CD-ROMs	O
)	O
,	O
two	O
pewter	O
figurines	O
(	O
Hunter	O
and	O
Tommy	O
)	O
,	O
"	O
The	O
Art	O
of	O
Prey	B-Application
"	O
booklet	O
,	O
and	O
a	O
free	O
soundtrack	O
download	O
from	O
DirectSong	O
.	O
</s>
<s>
On	O
October	O
24	O
,	O
2008	O
,	O
a	O
Linux	B-Application
client	O
for	O
the	O
Prey	B-Application
demo	O
was	O
released	O
by	O
Ryan	O
C	O
.	O
Gordon	O
,	O
who	O
had	O
been	O
working	O
on	O
porting	O
the	O
game	O
for	O
several	O
months	O
.	O
</s>
<s>
Later	O
that	O
year	O
,	O
on	O
December	O
7	O
,	O
2008	O
,	O
the	O
Linux	B-Application
client	O
for	O
the	O
full	O
retail	O
version	O
was	O
made	O
available	O
.	O
</s>
<s>
The	O
Prey	B-Application
soundtrack	O
was	O
released	O
in	O
two	O
volumes	O
(	O
nearly	O
two	O
hours	O
of	O
the	O
game	O
's	O
three-hour	O
score	O
)	O
.	O
</s>
<s>
Prey	B-Application
has	O
a	O
Metacritic	O
average	O
of	O
83	O
and	O
79	O
out	O
of	O
100	O
on	O
the	O
PC	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
respectively	O
.	O
</s>
<s>
GamerFeed	O
lauded	O
the	O
gameplay	O
system	O
,	O
calling	O
it	O
"	O
nothing	O
short	O
of	O
amazing	O
"	O
,	O
and	O
concluding	O
that	O
"	O
Prey	B-Application
has	O
got	O
everything	O
anyone	O
could	O
want	O
from	O
a	O
sci-fi	O
shooter	O
and	O
more.	O
"	O
</s>
<s>
In	O
October	O
2006	O
,	O
3D	O
Realms	O
CEO	O
Scott	O
Miller	O
announced	O
that	O
the	O
game	O
was	O
a	O
commercial	O
success	O
on	O
both	O
PC	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
with	O
combined	O
1million	O
copies	O
sold	O
worldwide	O
to	O
date	O
.	O
</s>
<s>
Prey	B-Application
is	O
ranked	O
third	O
on	O
Game	O
Informer	O
list	O
of	O
The	O
Top	O
10	O
Video	O
Game	O
Openings	O
.	O
</s>
<s>
The	O
editors	O
of	O
PC	O
Gamer	O
US	O
awarded	O
Prey	B-Application
their	O
2006	O
"	O
Best	O
Action	O
Game	O
"	O
and	O
"	O
Best	O
Multiplayer	O
Game	O
"	O
awards	O
.	O
</s>
<s>
Shortly	O
after	O
the	O
game	O
's	O
release	O
,	O
3D	O
Realms	O
 '	O
Scott	O
Miller	O
confirmed	O
that	O
a	O
sequel	O
named	O
Prey	B-Application
2	I-Application
was	O
in	O
development	O
.	O
</s>
<s>
On	O
March	O
17	O
,	O
2008	O
,	O
Miller	O
's	O
brand-management	O
group	O
Radar	O
Group	O
was	O
launched	O
,	O
along	O
with	O
the	O
announcement	O
that	O
it	O
was	O
managing	O
Prey	B-Application
2	I-Application
,	O
slated	O
for	O
release	O
for	O
PC	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
Prey	B-Application
Invasion	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
MachineWorks	O
,	O
and	O
published	O
by	O
Hands-On	O
Mobile	O
in	O
cooperation	O
with	O
3D	O
Realms	O
for	O
iOS	B-Application
.	O
</s>
<s>
On	O
October	O
30	O
,	O
2014	O
,	O
during	O
PAX	O
Australia	O
,	O
Bethesda	O
Softworks	O
vice-president	O
Pete	O
Hines	O
confirmed	O
that	O
Prey	B-Application
2	I-Application
has	O
subsequently	O
been	O
canceled	O
.	O
</s>
<s>
During	O
its	O
2016	O
E3	O
press	O
conference	O
,	O
Bethesda	O
announced	O
Prey	B-Application
developed	O
by	O
Arkane	O
Studios	O
,	O
for	O
release	O
in	O
2017	O
on	O
Windows	O
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Xbox	B-Device
One	I-Device
.	O
</s>
<s>
Eventually	O
,	O
the	O
team	O
would	O
come	O
full	O
circle	O
after	O
the	O
2019	O
closure	O
of	O
Human	O
Head	O
Studios	O
shortly	O
after	O
the	O
release	O
of	O
Rune	B-Application
II	O
with	O
most	O
of	O
the	O
staff	O
moving	O
on	O
to	O
Bethesda-managed	O
Roundhouse	O
Studios	O
.	O
</s>
<s>
On	O
December	O
24	O
,	O
2022	O
,	O
an	O
early	O
,	O
playable	O
1995	O
prototype	O
of	O
Prey	B-Application
was	O
leaked	O
to	O
the	O
Internet	O
.	O
</s>
