<s>
Deus	B-Application
Ex	I-Application
is	O
a	O
2000	O
action	B-Application
role-playing	I-Application
game	I-Application
developed	O
by	O
Ion	O
Storm	O
and	O
published	O
by	O
Eidos	O
Interactive	O
.	O
</s>
<s>
His	O
missions	O
entangle	O
him	O
in	O
a	O
conspiracy	O
that	O
brings	O
him	O
into	O
conflict	O
with	O
the	O
Triads	O
,	O
Majestic	O
12	O
,	O
and	O
the	O
Illuminati	B-Device
.	O
</s>
<s>
Powered	O
by	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
,	O
the	O
game	O
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
in	O
June	O
2000	O
,	O
with	O
a	O
Mac	B-Application
OS	I-Application
port	O
following	O
the	O
next	O
month	O
.	O
</s>
<s>
A	O
modified	O
version	O
of	O
the	O
game	O
was	O
released	O
for	O
the	O
PlayStation	B-Device
2	I-Device
in	O
2002	O
as	O
Deus	B-Application
Ex	I-Application
:	I-Application
The	I-Application
Conspiracy	I-Application
.	O
</s>
<s>
In	O
the	O
years	O
following	O
its	O
release	O
,	O
Deus	B-Application
Ex	I-Application
has	O
received	O
additional	O
improvements	O
and	O
content	O
from	O
its	O
fan	O
community	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
was	O
praised	O
for	O
ambitious	O
plot	O
,	O
freedom	O
of	O
immersive	O
gameplay	O
,	O
world-building	O
,	O
diversity	O
of	O
character	O
customization	O
and	O
choice	O
matters	O
,	O
but	O
its	O
graphics	O
and	O
voice	O
acting	O
polarized	O
critics	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
is	O
regarded	O
as	O
one	O
of	O
the	O
best	O
video	O
games	O
of	O
all	O
time	O
.	O
</s>
<s>
The	O
game	O
led	O
to	O
a	O
series	B-Application
,	O
which	O
includes	O
the	O
sequel	O
Deus	B-Application
Ex	I-Application
:	I-Application
Invisible	I-Application
War	I-Application
(	O
2003	O
)	O
,	O
and	O
three	O
prequels	O
:	O
Deus	B-Application
Ex	I-Application
:	I-Application
Human	I-Application
Revolution	I-Application
(	O
2011	O
)	O
,	O
Deus	B-Application
Ex	I-Application
:	I-Application
The	I-Application
Fall	I-Application
(	O
2013	O
)	O
,	O
and	O
Deus	B-Application
Ex	I-Application
:	I-Application
Mankind	I-Application
Divided	I-Application
(	O
2016	O
)	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
incorporates	O
elements	O
from	O
four	O
video	O
game	O
genres	O
:	O
role-playing	O
,	O
first-person	O
shooter	O
,	O
adventure	O
,	O
and	O
"	O
immersive	O
simulation	O
"	O
,	O
the	O
last	O
of	O
which	O
being	O
a	O
game	O
where	O
"	O
nothing	O
reminds	O
you	O
that	O
you	O
're	O
just	O
playing	O
a	O
game.	O
"	O
</s>
<s>
The	O
player	O
might	O
add	O
scopes	O
,	O
silencers	O
,	O
or	O
laser	O
sights	O
;	O
increase	O
the	O
weapon	O
's	O
range	O
,	O
accuracy	O
,	O
or	O
magazine	O
size	O
;	O
or	O
decrease	O
its	O
recoil	B-Application
and	O
reload	O
time	O
;	O
as	O
appropriate	O
to	O
the	O
weapon	O
type	O
.	O
</s>
<s>
When	O
the	O
player	O
interacts	O
with	O
a	O
non-player	O
character	O
,	O
the	O
game	O
will	O
enter	O
a	O
cutscene-like	O
conversation	O
mode	O
where	O
the	O
player	O
advances	O
the	O
conversation	O
by	O
selecting	O
from	O
a	O
list	O
of	O
dialogue	B-Application
options	I-Application
.	O
</s>
<s>
The	O
player	O
's	O
choices	B-Application
often	O
have	O
a	O
substantial	O
effect	O
on	O
both	O
gameplay	O
and	O
plot	O
,	O
as	O
non-player	O
characters	O
will	O
react	O
in	O
different	O
ways	O
depending	O
on	O
the	O
selected	O
answer	O
(	O
e.g.	O
,	O
rudeness	O
makes	O
them	O
less	O
likely	O
to	O
assist	O
the	O
player	O
)	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
features	O
combat	O
similar	O
to	O
first-person	O
shooters	O
,	O
with	O
real-time	O
action	O
,	O
a	O
first-person	O
perspective	O
,	O
and	O
reflex-based	O
gameplay	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
features	O
a	O
head-up	O
display	O
crosshair	O
,	O
whose	O
size	O
dynamically	O
shows	O
where	O
shots	O
will	O
fall	O
based	O
on	O
movement	O
,	O
aim	O
,	O
and	O
the	O
weapon	O
in	O
use	O
;	O
the	O
reticle	O
expands	O
while	O
the	O
player	O
is	O
moving	O
or	O
shifting	O
their	O
aim	O
,	O
and	O
slowly	O
shrinks	O
to	O
its	O
original	O
size	O
while	O
at	O
rest	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
features	O
twenty-four	O
weapons	O
,	O
ranging	O
from	O
crowbars	O
,	O
electroshock	O
weapons	O
,	O
and	O
riot	O
baton	O
,	O
to	O
laser-guided	O
anti-tank	O
rockets	B-Application
and	O
assault	O
rifles	O
;	O
both	O
lethal	O
and	O
non-lethal	O
weapons	O
are	O
available	O
.	O
</s>
<s>
Gameplay	O
in	O
Deus	B-Application
Ex	I-Application
emphasizes	O
player	O
choice	O
.	O
</s>
<s>
Because	O
of	O
its	O
design	O
focus	O
on	O
player	O
choice	O
,	O
Deus	B-Application
Ex	I-Application
has	O
been	O
compared	O
with	O
System	B-Application
Shock	I-Application
,	O
a	O
game	O
that	O
inspired	O
its	O
design	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
was	O
designed	O
as	O
a	O
single-player	O
game	O
,	O
and	O
the	O
initial	O
releases	O
of	O
the	O
Windows	O
and	O
Macintosh	O
versions	O
of	O
the	O
game	O
did	O
not	O
include	O
multiplayer	O
functionality	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
2	I-Device
release	O
of	O
Deus	B-Application
Ex	I-Application
does	O
not	O
offer	O
a	O
multiplayer	O
mode	O
.	O
</s>
<s>
In	O
April	O
2014	O
it	O
was	O
announced	O
that	O
GameSpy	O
would	O
cease	O
their	O
masterserver	O
services	O
,	O
also	O
affecting	O
Deus	B-Application
Ex	I-Application
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
takes	O
place	O
in	O
2052	O
,	O
in	O
an	O
alternate	O
history	O
where	O
real-world	O
conspiracy	O
theories	O
are	O
true	O
.	O
</s>
<s>
These	O
include	O
speculations	O
regarding	O
black	O
helicopters	O
,	O
vaccinations	O
,	O
and	O
FEMA	O
,	O
as	O
well	O
as	O
Area	B-Application
51	I-Application
,	O
the	O
ECHELON	B-Application
network	O
,	O
Men	O
in	O
Black	O
,	O
chupacabras	O
(	O
in	O
the	O
form	O
of	O
"	O
greasels	O
"	O
)	O
,	O
and	O
grey	O
aliens	O
.	O
</s>
<s>
Mysterious	O
groups	O
such	O
as	O
Majestic	O
12	O
,	O
the	O
Illuminati	B-Device
,	O
the	O
Knights	O
Templar	O
,	O
the	O
Bilderberg	O
Group	O
,	O
and	O
the	O
Trilateral	O
Commission	O
also	O
either	O
play	O
a	O
central	O
part	O
in	O
the	O
plot	O
or	O
are	O
alluded	O
to	O
during	O
the	O
course	O
of	O
the	O
game	O
.	O
</s>
<s>
The	O
plot	O
of	O
Deus	B-Application
Ex	I-Application
depicts	O
a	O
society	O
on	O
a	O
slow	O
spiral	O
into	O
chaos	O
.	O
</s>
<s>
The	O
main	O
character	O
of	O
Deus	B-Application
Ex	I-Application
is	O
UNATCO	O
agent	O
JC	O
Denton	O
(	O
voiced	O
by	O
Jay	O
Franke	O
)	O
,	O
one	O
of	O
the	O
first	O
in	O
a	O
new	O
line	O
of	O
agents	O
physically	O
altered	O
with	O
advanced	O
nanotechnology	O
to	O
gain	O
superhuman	O
abilities	O
,	O
alongside	O
his	O
brother	O
Paul	O
(	O
also	O
voiced	O
by	O
Jay	O
Franke	O
)	O
,	O
who	O
joined	O
UNATCO	O
to	O
avenge	O
his	O
parents	O
 '	O
deaths	O
at	O
the	O
hands	O
of	O
Majestic	O
12	O
.	O
</s>
<s>
JC	O
's	O
missions	O
bring	O
him	O
into	O
contact	O
with	O
various	O
characters	O
,	O
including	O
NSF	O
leader	O
Juan	O
Lebedev	O
,	O
hacker	O
and	O
scientist	O
Tracer	O
Tong	O
,	O
nano-tech	O
expert	O
Gary	O
Savage	O
,	O
Nicolette	O
DuClare	O
(	O
daughter	O
of	O
an	O
Illuminati	B-Device
member	O
)	O
,	O
former	O
Illuminati	B-Device
leader	O
Morgan	O
Everett	O
,	O
the	B-Application
Artificial	I-Application
Intelligences	I-Application
(	O
AI	B-Application
)	O
Daedalus	O
and	O
Icarus	O
,	O
and	O
Bob	O
Page	O
,	O
owner	O
of	O
VersaLife	O
and	O
leader	O
of	O
Majestic	O
12	O
,	O
a	O
clandestine	O
organization	O
that	O
has	O
usurped	O
the	O
infrastructure	O
of	O
the	O
Illuminati	B-Device
,	O
allowing	O
him	O
to	O
control	O
the	O
world	O
for	O
his	O
own	O
ends	O
.	O
</s>
<s>
JC	O
returns	O
to	O
UNATCO	O
headquarters	O
and	O
is	O
told	O
by	O
Manderley	O
that	O
both	O
he	O
and	O
Paul	O
have	O
been	O
outfitted	O
with	O
a	O
24-hour	O
kill	B-Device
switch	I-Device
and	O
that	O
Paul	O
's	O
has	O
been	O
activated	O
due	O
to	O
his	O
betrayal	O
.	O
</s>
<s>
Manderley	O
orders	O
JC	O
to	O
fly	O
to	O
Hong	O
Kong	O
to	O
eliminate	O
Tracer	O
Tong	O
,	O
a	O
hacker	O
whom	O
Paul	O
has	O
contact	O
with	O
,	O
and	O
who	O
can	O
disable	O
the	O
kill	B-Device
switches	I-Device
.	O
</s>
<s>
Upon	O
doing	O
so	O
,	O
JC	O
becomes	O
a	O
wanted	O
man	O
by	O
UNATCO	O
,	O
and	O
his	O
kill	B-Device
switch	I-Device
is	O
activated	O
by	O
Federal	O
Emergency	O
Management	O
Agency	O
(	O
FEMA	O
)	O
Director	O
Walton	O
Simons	O
.	O
</s>
<s>
The	O
two	O
flee	O
to	O
Hong	O
Kong	O
to	O
meet	O
with	O
Tong	O
,	O
who	O
deactivates	O
their	O
kill	B-Device
switches	I-Device
.	O
</s>
<s>
Analysis	O
of	O
the	O
virus	O
shows	O
that	O
its	O
structure	O
was	O
designed	O
by	O
the	O
Illuminati	B-Device
,	O
prompting	O
Tong	O
to	O
send	O
JC	O
to	O
Paris	O
to	O
obtain	O
their	O
help	O
fighting	O
Majestic	O
12	O
.	O
</s>
<s>
JC	O
meets	O
with	O
Illuminati	B-Device
leader	O
Morgan	O
Everett	O
and	O
learns	O
that	O
the	O
technology	O
behind	O
the	O
Gray	O
Death	O
was	O
intended	O
to	O
be	O
used	O
for	O
augmentation	O
,	O
but	O
Majestic	O
12	O
,	O
led	O
by	O
trillionaire	O
businessman	O
and	O
former	O
Illuminatus	O
Bob	O
Page	O
,	O
stole	O
and	O
repurposed	O
it	O
.	O
</s>
<s>
Everett	O
recognizes	O
that	O
without	O
VersaLife	O
's	O
UC	O
,	O
Majestic	O
12	O
can	O
no	O
longer	O
create	O
the	O
virus	O
,	O
and	O
will	O
likely	O
target	O
Vandenberg	O
Air	O
Force	O
Base	O
,	O
where	O
X-51	O
,	O
a	O
group	O
of	O
former	O
Area	B-Application
51	I-Application
scientists	O
,	O
have	O
built	O
another	O
one	O
.	O
</s>
<s>
After	O
aiding	O
the	O
base	O
personnel	O
in	O
repelling	O
a	O
Majestic	O
12	O
attack	O
,	O
JC	O
meets	O
X-51	O
leader	O
Gary	O
Savage	O
,	O
who	O
reveals	O
that	O
Daedalus	O
is	O
an	O
artificial	B-Application
intelligence	I-Application
(	O
AI	B-Application
)	O
borne	O
out	O
of	O
the	O
ECHELON	B-Application
program	O
.	O
</s>
<s>
Everett	O
attempts	O
to	O
gain	O
control	O
over	O
Majestic	O
12	O
's	O
communications	O
network	O
by	O
releasing	O
Daedalus	O
onto	O
the	O
U.S.	O
military	O
networks	O
,	O
but	O
Page	O
counters	O
by	O
releasing	O
his	O
own	O
AI	B-Application
,	O
Icarus	O
.	O
</s>
<s>
Icarus	O
merges	O
with	O
Daedalus	O
to	O
form	O
a	O
new	O
AI	B-Application
,	O
Helios	O
,	O
which	O
can	O
control	O
all	O
global	O
communications	O
.	O
</s>
<s>
Page	O
intercepts	O
the	O
transmission	O
and	O
targets	O
a	O
nuclear	O
missile	O
at	O
Vandenberg	O
to	O
ensure	O
that	O
Area	B-Application
51	I-Application
,	O
now	O
Majestic	O
12	O
's	O
headquarters	O
,	O
will	O
be	O
the	O
only	O
location	O
in	O
the	O
world	O
with	O
an	O
operational	O
UC	O
.	O
</s>
<s>
However	O
,	O
JC	O
can	O
reprogram	O
the	O
missile	O
to	O
strike	O
Area	B-Application
51	I-Application
.	O
</s>
<s>
JC	O
travels	O
to	O
Area	B-Application
51	I-Application
to	O
confront	O
Page	O
.	O
</s>
<s>
JC	O
is	O
contacted	O
by	O
Tong	O
,	O
Everett	O
,	O
and	O
the	O
Helios	O
AI	B-Application
successively	O
.	O
</s>
<s>
Everett	O
offers	O
Denton	O
the	O
chance	O
to	O
return	O
the	O
Illuminati	B-Device
to	O
power	O
by	O
killing	O
Page	O
and	O
using	O
the	O
Area	B-Application
51	I-Application
technology	O
to	O
rule	O
the	O
world	O
with	O
an	O
invisible	O
hand	O
.	O
</s>
<s>
After	O
Looking	O
Glass	O
Technologies	O
and	O
Origin	O
Systems	O
released	O
Ultima	B-Application
Underworld	I-Application
II	I-Application
:	I-Application
Labyrinth	I-Application
of	I-Application
Worlds	I-Application
in	O
January	O
1993	O
,	O
producer	O
Warren	O
Spector	O
began	O
to	O
plan	O
Troubleshooter	O
,	O
the	O
game	O
that	O
would	O
become	O
Deus	B-Application
Ex	I-Application
.	O
</s>
<s>
Preproduction	O
for	O
Deus	B-Application
Ex	I-Application
began	O
around	O
August	O
1997	O
and	O
lasted	O
roughly	O
six	O
months	O
.	O
</s>
<s>
It	O
cited	O
Half-Life	B-Application
,	O
Fallout	B-Application
,	O
Thief	B-Application
:	I-Application
The	I-Application
Dark	I-Application
Project	I-Application
,	O
and	O
GoldenEye	B-Application
007	I-Application
as	O
game	O
design	O
influences	O
,	O
and	O
used	O
the	O
stories	O
and	O
settings	O
of	O
Colossus	O
:	O
The	O
Forbin	O
Project	O
,	O
The	O
Manchurian	O
Candidate	O
,	O
RoboCop	B-Application
,	O
The	O
X-Files	O
,	O
and	O
Men	O
in	O
Black	O
as	O
reference	O
points	O
.	O
</s>
<s>
Spector	O
also	O
cited	O
Konami	O
's	O
1995	O
role-playing	O
video	O
game	O
Suikoden	B-Application
as	O
an	O
inspiration	O
,	O
stating	O
that	O
the	O
limited	O
choices	B-Application
in	O
Suikoden	B-Application
inspired	O
him	O
to	O
expand	O
on	O
the	O
idea	O
with	O
more	O
meaningful	O
choices	B-Application
in	O
Deux	O
Ex	O
.	O
</s>
<s>
In	O
early	O
1998	O
,	O
the	O
Deus	B-Application
Ex	I-Application
team	O
grew	O
to	O
20	O
people	O
,	O
and	O
the	O
game	O
entered	O
a	O
28-month	O
production	O
phase	O
.	O
</s>
<s>
Close	O
friends	O
of	O
the	O
team	O
who	O
understood	O
the	O
intentions	O
behind	O
the	O
game	O
were	O
invited	O
to	O
playtest	B-General_Concept
and	O
give	O
feedback	O
.	O
</s>
<s>
By	O
mid-1998	O
,	O
the	O
game	O
's	O
title	O
had	O
become	O
Deus	B-Application
Ex	I-Application
,	O
derived	O
from	O
the	O
Latin	O
literary	O
device	O
deus	B-Application
ex	I-Application
machina	I-Application
(	O
"	O
god	O
from	O
the	O
machine	O
"	O
)	O
,	O
in	O
which	O
a	O
plot	O
is	O
resolved	O
by	O
an	O
unpredictable	O
intervention	O
.	O
</s>
<s>
Spector	O
felt	O
that	O
the	O
best	O
aspects	O
of	O
Deus	O
Exs	O
development	O
were	O
the	O
"	O
high-level	O
vision	O
"	O
and	O
length	O
of	O
preproduction	O
,	O
flexibility	O
within	O
the	O
project	O
,	O
testable	O
"	O
proto-missions	O
"	O
,	O
and	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
license	O
.	O
</s>
<s>
The	O
team	O
's	O
pitfalls	O
included	O
the	O
management	O
structure	O
,	O
unrealistic	O
goals	O
,	O
underestimating	O
risks	O
with	O
artificial	B-Application
intelligence	I-Application
,	O
their	O
handling	O
of	O
proto-missions	O
,	O
and	O
weakened	O
morale	O
from	O
bad	O
press	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
was	O
released	O
in	O
North	O
America	O
on	O
June	O
23	O
,	O
2000	O
,	O
and	O
in	O
the	O
United	O
Kingdom	O
on	O
August	O
4	O
,	O
2000	O
,	O
and	O
published	O
by	O
Eidos	O
Interactive	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
team	O
planned	O
third-party	O
ports	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
9	I-Operating_System
and	O
Linux	B-Application
.	O
</s>
<s>
The	O
original	O
1997	O
design	O
document	O
for	O
Deus	B-Application
Ex	I-Application
privileges	O
character	O
development	O
over	O
all	O
other	O
features	O
.	O
</s>
<s>
Though	O
Spector	O
originally	O
pictured	O
Deus	B-Application
Ex	I-Application
as	O
akin	O
to	O
The	O
X-Files	O
,	O
lead	O
writer	O
Sheldon	O
Pacotti	O
felt	O
that	O
it	O
ended	O
up	O
more	O
like	O
James	O
Bond	O
.	O
</s>
<s>
Pete	O
Davison	O
of	O
USgamer	O
referred	O
to	O
the	O
White	O
House	O
and	O
presidential	O
bunker	O
as	O
"	O
the	O
truly	O
deleted	O
scenes	O
of	O
Deus	B-Application
Ex	I-Application
lost	O
levels	O
"	O
.	O
</s>
<s>
One	O
of	O
the	O
things	O
that	O
Spector	O
wanted	O
to	O
achieve	O
in	O
Deus	B-Application
Ex	I-Application
was	O
to	O
make	O
JC	O
Denton	O
a	O
cipher	O
for	O
the	O
player	O
,	O
to	O
create	O
a	O
better	O
immersion	O
and	O
gameplay	O
experience	O
.	O
</s>
<s>
One	O
of	O
the	O
team	O
's	O
biggest	O
blind	O
spots	O
was	O
the	O
AI	B-Application
programming	O
for	O
NPCs	O
.	O
</s>
<s>
This	O
led	O
to	O
wasted	O
time	O
when	O
the	O
team	O
had	O
to	O
discard	O
their	O
old	O
AI	B-Application
code	O
.	O
</s>
<s>
The	O
team	O
built	O
atop	O
their	O
game	O
engine	O
's	O
shooter-based	O
AI	B-Application
instead	O
of	O
writing	O
new	O
code	O
that	O
would	O
allow	O
characters	O
to	O
exhibit	O
convincing	O
emotions	O
.	O
</s>
<s>
Spector	O
felt	O
that	O
the	O
team	O
's	O
"	O
sin	O
"	O
was	O
their	O
inconsistent	O
display	O
of	O
a	O
trustable	O
"	O
human	O
AI	B-Application
"	O
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
on	O
systems	O
including	O
dual-processor	O
Pentium	B-Device
Pro	I-Device
200s	O
and	O
Athlon	B-Architecture
800s	O
with	O
eight	O
and	O
nine	O
gigabyte	O
hard	O
drives	O
,	O
some	O
using	O
SCSI	B-Architecture
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
was	O
built	O
using	O
Visual	B-Application
Studio	I-Application
,	O
Lightwave	B-Device
,	O
and	O
Lotus	B-Operating_System
Notes	I-Operating_System
.	O
</s>
<s>
The	O
team	O
used	O
UnrealEd	B-Application
atop	O
the	O
Unreal	B-Operating_System
game	I-Operating_System
engine	I-Operating_System
for	O
map	O
design	O
,	O
which	O
Spector	O
wrote	O
was	O
"	O
superior	O
to	O
anything	O
else	O
available	O
"	O
.	O
</s>
<s>
They	O
chose	O
the	O
Unreal	B-Operating_System
engine	I-Operating_System
,	O
as	O
it	O
did	O
80%	O
of	O
what	O
they	O
needed	O
from	O
an	O
engine	O
and	O
was	O
more	O
economical	O
than	O
building	O
from	O
scratch	O
.	O
</s>
<s>
Spector	O
felt	O
that	O
they	O
would	O
have	O
understood	O
the	O
code	O
better	O
had	O
they	O
built	O
it	O
themselves	O
,	O
instead	O
of	O
"	O
treating	O
the	O
engine	O
as	O
a	O
black	B-Device
box	I-Device
"	O
and	O
coding	O
conservatively	O
.	O
</s>
<s>
He	O
acknowledged	O
that	O
this	O
precipitated	O
into	O
the	O
Direct3D	B-Application
issues	O
in	O
their	O
final	O
release	O
,	O
which	O
slipped	O
through	O
their	O
quality	O
assurance	O
testing	O
.	O
</s>
<s>
Spector	O
also	O
noted	O
that	O
the	B-Application
artificial	I-Application
intelligence	I-Application
,	O
pathfinding	O
,	O
and	O
sound	O
propagation	O
were	O
designed	O
for	O
shooters	O
and	O
should	O
have	O
been	O
rewritten	O
from	O
scratch	O
instead	O
of	O
relying	O
on	O
the	O
engine	O
.	O
</s>
<s>
He	O
thought	O
the	O
licensed	O
engine	O
worked	O
well	O
enough	O
that	O
he	O
expected	O
to	O
use	O
the	O
same	O
for	O
the	O
game	O
's	O
sequel	O
Deus	B-Application
Ex	I-Application
:	I-Application
Invisible	I-Application
War	I-Application
and	O
Thief	B-Application
3	I-Application
.	O
</s>
<s>
The	O
soundtrack	O
of	O
Deus	B-Application
Ex	I-Application
,	O
composed	O
by	O
Alexander	O
Brandon	O
(	O
primary	O
contributor	O
,	O
including	O
main	O
theme	O
)	O
,	O
Dan	O
Gardopée	O
(	O
"	O
Naval	O
Base	O
"	O
and	O
"	O
Vandenberg	O
"	O
)	O
,	O
Michiel	O
van	O
den	O
Bos	O
(	O
"	O
UNATCO	O
"	O
,	O
"	O
Lebedev	O
's	O
Airfield	O
"	O
,	O
"	O
Airfield	O
Action	O
"	O
,	O
"	O
DuClare	O
Chateau	O
"	O
,	O
plus	O
minor	O
contribution	O
to	O
some	O
of	O
Brandon	O
's	O
tracks	O
)	O
,	O
and	O
Reeves	O
Gabrels	O
(	O
"	O
NYC	O
Bar	O
"	O
)	O
,	O
was	O
praised	O
by	O
critics	O
for	O
complementing	O
the	O
gritty	O
atmosphere	O
predominant	O
throughout	O
the	O
game	O
with	O
melodious	O
and	O
ambient	O
music	O
incorporated	O
from	O
a	O
number	O
of	O
genres	O
,	O
including	O
techno	O
,	O
jazz	B-Device
,	O
and	O
classical	O
.	O
</s>
<s>
The	O
music	O
sports	O
a	O
basic	O
dynamic	O
element	O
,	O
similar	O
to	O
the	O
iMUSE	B-Application
system	O
used	O
in	O
early	O
1990s	O
LucasArts	O
games	O
;	O
during	O
play	O
,	O
the	O
music	O
will	O
change	O
to	O
a	O
different	O
iteration	O
of	O
the	O
currently	O
playing	O
song	O
based	O
on	O
the	O
player	O
's	O
actions	O
,	O
such	O
as	O
when	O
the	O
player	O
starts	O
a	O
conversation	O
,	O
engages	O
in	O
combat	O
,	O
or	O
transitions	O
to	O
the	O
next	O
level	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
has	O
been	O
re-released	O
in	O
several	O
iterations	O
since	O
its	O
original	O
publication	O
and	O
has	O
also	O
been	O
the	O
basis	O
of	O
several	O
mods	O
developed	O
by	O
its	O
fan	O
community	O
.	O
</s>
<s>
The	O
Deus	B-Application
Ex	I-Application
:	O
Game	O
of	O
the	O
Year	O
Edition	O
,	O
which	O
was	O
released	O
on	O
May	O
8	O
,	O
2001	O
,	O
contains	O
the	O
latest	O
game	O
updates	O
and	O
a	O
software	B-Application
development	I-Application
kit	I-Application
,	O
a	O
separate	O
soundtrack	O
CD	O
,	O
and	O
a	O
page	O
from	O
a	O
fictional	O
newspaper	O
featured	O
prominently	O
in	O
Deus	B-Application
Ex	I-Application
titled	O
The	O
Midnight	O
Sun	O
,	O
which	O
recounts	O
recent	O
events	O
in	O
the	O
game	O
's	O
world	O
.	O
</s>
<s>
However	O
,	O
later	O
releases	O
of	O
said	O
version	O
do	O
not	O
include	O
the	O
soundtrack	O
CD	O
and	O
contain	O
a	O
PDF	B-Application
version	O
of	O
the	O
newspaper	O
on	O
the	O
game	O
's	O
disc	O
.	O
</s>
<s>
The	O
Mac	B-Application
OS	I-Application
version	O
of	O
the	O
game	O
,	O
released	O
on	O
July	O
13	O
,	O
was	O
shipped	O
with	O
the	O
same	O
capabilities	O
and	O
can	O
also	O
be	O
patched	O
to	O
enable	O
multiplayer	O
support	O
.	O
</s>
<s>
As	O
such	O
,	O
the	O
game	O
is	O
only	O
supported	O
in	O
Mac	B-Operating_System
OS	I-Operating_System
9	I-Operating_System
and	O
the	O
"	O
Classic	O
"	O
environment	O
in	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
neither	O
of	O
which	O
are	O
compatible	O
with	O
Intel-based	O
Macs	O
.	O
</s>
<s>
The	O
Windows	O
version	O
will	O
run	O
on	O
Intel-based	O
Macs	O
using	O
Crossover	O
,	O
Boot	B-Application
Camp	I-Application
,	O
or	O
other	O
software	O
to	O
enable	O
a	O
compatible	O
version	O
of	O
Windows	O
to	O
run	O
on	O
a	O
Mac	O
.	O
</s>
<s>
A	O
PlayStation	B-Device
2	I-Device
port	O
of	O
the	O
game	O
,	O
retitled	O
Deus	B-Application
Ex	I-Application
:	I-Application
The	I-Application
Conspiracy	I-Application
outside	O
of	O
Europe	O
,	O
was	O
released	O
on	O
March	O
26	O
,	O
2002	O
.	O
</s>
<s>
There	O
are	O
many	O
minor	O
changes	O
in	O
level	O
design	O
,	O
some	O
to	O
balance	O
gameplay	O
,	O
but	O
most	O
to	O
accommodate	O
loading	O
transition	O
areas	O
,	O
due	O
to	O
the	O
memory	O
limitations	O
of	O
the	O
PlayStation	B-Device
2	I-Device
.	O
</s>
<s>
The	O
PlayStation	B-Device
2	I-Device
version	O
was	O
re-released	O
in	O
Europe	O
on	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
as	O
a	O
PlayStation	B-Device
2	I-Device
Classic	I-Device
on	O
May	O
16	O
,	O
2012	O
.	O
</s>
<s>
Loki	O
Games	O
worked	O
on	O
a	O
Linux	B-Application
version	O
of	O
the	O
game	O
,	O
but	O
the	O
company	O
went	O
out	O
of	O
business	O
before	O
releasing	O
it	O
.	O
</s>
<s>
The	O
OpenGL	B-Application
layer	O
they	O
wrote	O
for	O
the	O
port	O
,	O
however	O
,	O
was	O
sent	O
out	O
to	O
Windows	O
gamers	O
through	O
an	O
online	O
patch	O
.	O
</s>
<s>
Though	O
their	O
quality	O
assurance	O
did	O
not	O
see	O
major	O
Direct3D	B-Application
issues	O
,	O
players	O
noted	O
"	O
dramatic	O
slowdowns	O
"	O
immediately	O
following	O
the	O
launch	O
,	O
and	O
the	O
team	O
did	O
not	O
understand	O
the	O
"	O
black	B-Device
box	I-Device
"	O
of	O
the	O
Unreal	B-Operating_System
engine	I-Operating_System
well	O
enough	O
to	O
make	O
it	O
do	O
exactly	O
what	O
they	O
needed	O
.	O
</s>
<s>
Spector	O
characterized	O
Deus	B-Application
Ex	I-Application
reviews	O
into	O
two	O
categories	O
based	O
on	O
how	O
they	O
begin	O
with	O
either	O
how	O
"	O
Warren	O
Spector	O
makes	O
games	O
all	O
by	O
himself	O
"	O
or	O
that	O
"	O
Deus	B-Application
Ex	I-Application
could	O
n't	O
possibly	O
have	O
been	O
made	O
by	O
Ion	O
Storm	O
"	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
was	O
built	O
on	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
,	O
which	O
already	O
had	O
an	O
active	O
community	O
of	O
modders	B-Device
.	O
</s>
<s>
In	O
September	O
2000	O
,	O
Eidos	O
Interactive	O
and	O
Ion	O
Storm	O
announced	O
in	O
a	O
press	O
release	O
that	O
they	O
would	O
be	O
releasing	O
the	O
software	B-Application
development	I-Application
kit	I-Application
(	O
SDK	O
)	O
,	O
which	O
included	O
all	O
the	O
tools	O
used	O
to	O
create	O
the	O
original	O
game	O
.	O
</s>
<s>
In	O
2009	O
,	O
a	O
fan-made	O
mod	O
called	O
The	B-Application
Nameless	I-Application
Mod	I-Application
(	O
TNM	O
)	O
was	O
released	O
by	O
Off	O
Topic	O
Productions	O
.	O
</s>
<s>
The	O
mod	O
offers	O
roughly	O
the	O
same	O
amount	O
of	O
gameplay	O
as	O
Deus	B-Application
Ex	I-Application
and	O
adds	O
several	O
new	O
features	O
to	O
the	O
game	O
,	O
with	O
a	O
more	O
open	O
world	O
structure	O
than	O
Deus	B-Application
Ex	I-Application
and	O
new	O
weapons	O
such	O
as	O
the	O
player	O
character	O
's	O
fists	O
.	O
</s>
<s>
In	O
Mod	O
DB	O
's	O
2009	O
Mod	O
of	O
the	O
Year	O
awards	O
,	O
The	B-Application
Nameless	I-Application
Mod	I-Application
won	O
the	O
Editor	O
's	O
Choice	O
award	O
for	O
Best	O
Singleplayer	O
Mod	O
.	O
</s>
<s>
In	O
2015	O
,	O
during	O
the	O
15th	O
anniversary	O
of	O
the	O
game	O
's	O
release	O
,	O
Square	O
Enix	O
(	O
who	O
had	O
acquired	O
Eidos	O
earlier	O
)	O
endorsed	O
a	O
free	O
fan-created	O
mod	O
,	O
Deus	B-Application
Ex	I-Application
:	O
Revision	O
,	O
which	O
was	O
released	O
through	O
Steam	B-Application
.	O
</s>
<s>
The	O
mod	O
,	O
created	O
by	O
Caustic	O
Creative	O
,	O
is	O
a	O
graphical	O
overhaul	O
of	O
the	O
original	O
game	O
,	O
adding	O
in	O
support	O
for	O
newer	O
versions	O
of	O
DirectX	B-Application
,	O
upgraded	O
textures	O
adapted	O
from	O
previous	O
mods	O
,	O
a	O
remixed	O
soundtrack	O
,	O
and	O
more	O
world-building	O
aesthetics	O
.	O
</s>
<s>
Another	O
overhaul	O
mod	O
,	O
GMDX	O
,	O
released	O
its	O
final	O
version	O
in	O
mid-2017	O
with	O
enhanced	O
artificial	B-Application
intelligence	I-Application
,	O
improved	O
physics	O
,	O
and	O
upgraded	O
visual	O
textures	O
.	O
</s>
<s>
The	O
Lay	O
D	O
Denton	O
Project	O
,	O
a	O
mod	O
adding	O
the	O
ability	O
to	O
play	O
as	O
a	O
female	O
JC	O
–	O
a	O
feature	O
that	O
had	O
been	O
planned	O
for	O
Deus	B-Application
Ex	I-Application
but	O
ultimately	O
not	O
implemented	O
–	O
was	O
released	O
in	O
2021	O
.	O
</s>
<s>
According	O
to	O
Computer	O
Gaming	O
Worlds	O
Stefan	O
Janicki	O
,	O
Deus	B-Application
Ex	I-Application
had	O
"	O
sold	O
well	O
in	O
North	O
America	O
"	O
by	O
early	O
2001	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
achieved	O
sales	O
of	O
138,840	O
copies	O
and	O
revenues	O
of	O
$5	O
million	O
in	O
the	O
United	O
States	O
by	O
the	O
end	O
of	O
2000	O
,	O
according	O
to	O
PC	O
Data	O
.	O
</s>
<s>
He	O
wrote	O
,	O
"[I]n	O
Europe	O
—	O
particularly	O
in	O
England	O
—	O
the	O
action/RPG	O
dominated	O
the	O
charts	O
all	O
summer	O
,	O
despite	O
competition	O
from	O
heavyweights	O
like	O
Diablo	B-Application
II	I-Application
and	O
The	O
Sims.	O
"	O
</s>
<s>
In	O
the	O
German-speaking	O
market	O
,	O
PC	O
Player	O
reported	O
sales	O
over	O
70,000	O
units	O
for	O
Deus	B-Application
Ex	I-Application
by	O
early	O
2001	O
.	O
</s>
<s>
In	O
the	O
United	O
Kingdom	O
,	O
Deus	B-Application
Ex	I-Application
reached	O
#1	O
on	O
the	O
sales	O
charts	O
during	O
August	O
and	O
spent	O
three	O
months	O
in	O
the	O
top	O
10	O
.	O
</s>
<s>
In	O
April	O
2009	O
,	O
Square-Enix	O
revealed	O
that	O
Deus	B-Application
Ex	I-Application
had	O
surpassed	O
1	O
million	O
sales	O
globally	O
,	O
but	O
was	O
outsold	O
by	O
Deus	B-Application
Ex	I-Application
:	I-Application
Invisible	I-Application
War	I-Application
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
received	O
critical	O
acclaim	O
,	O
attaining	O
a	O
score	O
of	O
90	O
out	O
of	O
100	O
from	O
28	O
critics	O
on	O
Metacritic	O
.	O
</s>
<s>
Similarly	O
,	O
Edge	O
highlighted	O
the	O
game	O
's	O
freedom	O
of	O
choice	O
,	O
saying	O
that	O
Deus	B-Application
Ex	I-Application
"	O
never	O
tells	O
you	O
what	O
to	O
do	O
.	O
</s>
<s>
GamePro	O
reviewer	O
Chris	O
Patterson	O
took	O
the	O
time	O
to	O
note	O
that	O
despite	O
being	O
"	O
solid	O
acoustically	O
"	O
,	O
Deus	B-Application
Ex	I-Application
had	O
moments	O
of	O
weakness	O
.	O
</s>
<s>
IGN	O
called	O
the	O
graphics	O
"	O
blocky	O
"	O
,	O
adding	O
that	O
"	O
the	O
animation	O
is	O
stiff	O
,	O
and	O
the	O
dithering	O
is	O
just	O
plain	O
awful	O
in	O
some	O
spots	O
"	O
,	O
referring	O
to	O
the	O
limited	O
capabilities	O
of	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
used	O
to	O
design	O
the	O
game	O
.	O
</s>
<s>
The	O
website	O
,	O
later	O
on	O
,	O
stated	O
that	O
"	O
overall	O
Deus	B-Application
Ex	I-Application
certainly	O
looks	O
better	O
than	O
your	O
average	O
game	O
"	O
.	O
</s>
<s>
The	O
game	O
developed	O
a	O
strong	O
cult	O
following	O
,	O
leading	O
to	O
a	O
core	O
modding	B-Device
and	O
playing	O
community	O
that	O
remained	O
active	O
over	O
15	O
years	O
after	O
its	O
release	O
.	O
</s>
<s>
In	O
an	O
interview	O
with	O
IGN	O
in	O
June	O
2015	O
,	O
game	O
director	O
Warren	O
Spector	O
said	O
he	O
never	O
expected	O
Deus	B-Application
Ex	I-Application
to	O
sell	O
many	O
copies	O
,	O
but	O
he	O
did	O
expect	O
it	O
to	O
become	O
a	O
cult	O
classic	O
among	O
a	O
smaller	O
,	O
active	O
community	O
,	O
and	O
he	O
continues	O
to	O
receive	O
fan	O
mail	O
from	O
players	O
to	O
date	O
regarding	O
their	O
experiences	O
and	O
thoughts	O
about	O
Deus	B-Application
Ex	I-Application
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
received	O
over	O
30	O
"	O
best	O
of	O
"	O
awards	O
in	O
2001	O
,	O
from	O
outlets	O
such	O
as	O
IGN	O
,	O
GameSpy	O
,	O
PC	O
Gamer	O
,	O
Computer	O
Gaming	O
World	O
,	O
and	O
The	O
Adrenaline	O
Vault	O
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
has	O
appeared	O
in	O
several	O
lists	O
of	O
the	O
greatest	O
games	O
.	O
</s>
<s>
PC	O
Gamer	O
placed	O
Deus	B-Application
Ex	I-Application
on	O
its	O
"	O
Top	O
100	O
PC	O
Games	O
of	O
All	O
Time	O
"	O
(	O
#2	O
,	O
#2	O
,	O
#1	O
by	O
staff	O
and	O
#4	O
by	O
readers	O
in	O
2007	O
,	O
2008	O
,	O
2010	O
and	O
2010	O
respectively	O
)	O
and	O
"	O
50	O
Best	O
Games	O
of	O
All	O
Time	O
"	O
(	O
#10	O
and	O
#27	O
in	O
2001	O
and	O
2005	O
)	O
lists	O
,	O
and	O
it	O
was	O
awarded	O
1st	O
place	O
in	O
PC	O
Zones	O
"	O
101	O
Best	O
PC	O
Games	O
Ever	O
"	O
feature	O
.	O
</s>
<s>
It	O
was	O
also	O
included	O
in	O
Yahoo	B-Application
!	I-Application
</s>
<s>
Deus	B-Application
Ex	I-Application
was	O
named	O
the	O
second-best	O
game	O
of	O
the	O
2000s	O
by	O
Gamasutra	O
.	O
</s>
<s>
In	O
2012	O
,	O
Time	O
named	O
it	O
one	O
of	O
the	O
100	O
greatest	O
video	O
games	O
of	O
all	O
time	O
,	O
and	O
G4tv	O
named	O
it	O
the	O
53rd	O
best	O
game	O
of	O
all	O
time	O
for	O
its	O
"	O
complex	O
and	O
well-crafted	O
story	O
that	O
was	O
really	O
the	O
start	O
of	O
players	O
making	O
choices	B-Application
that	O
genuinely	O
affect	O
the	O
outcome	O
"	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Deus	B-Application
Ex	I-Application
:	I-Application
Invisible	I-Application
War	I-Application
,	O
was	O
released	O
in	O
the	O
United	O
States	O
on	O
December	O
2	O
,	O
2003	O
,	O
and	O
in	O
Europe	O
in	O
early	O
2004	O
for	O
Windows	O
and	O
Xbox	O
.	O
</s>
<s>
A	O
second	O
sequel	O
,	O
titled	O
Deus	B-Application
Ex	I-Application
:	O
Clan	O
Wars	O
,	O
was	O
initially	O
conceived	O
as	O
a	O
multiplayer-focused	O
third	O
game	O
for	O
the	O
series	B-Application
.	O
</s>
<s>
Deus	B-Application
Ex	I-Application
:	O
Clan	O
Wars	O
was	O
eventually	O
published	O
under	O
the	O
title	O
Project	B-Application
:	I-Application
Snowblind	I-Application
.	O
</s>
<s>
On	O
March	O
29	O
,	O
2007	O
,	O
Valve	O
announced	O
Deus	B-Application
Ex	I-Application
and	O
its	O
sequel	O
would	O
be	O
available	O
for	O
purchase	O
from	O
their	O
Steam	B-Application
service	I-Application
.	O
</s>
<s>
Among	O
the	O
games	O
announced	O
are	O
several	O
other	O
Eidos	O
franchise	O
titles	O
,	O
including	O
Thief	B-Application
:	I-Application
Deadly	I-Application
Shadows	I-Application
and	O
Tomb	B-Application
Raider	I-Application
.	O
</s>
<s>
Eidos	O
Montréal	O
produced	O
a	O
prequel	O
to	O
Deus	B-Application
Ex	I-Application
called	O
Deus	B-Application
Ex	I-Application
:	I-Application
Human	I-Application
Revolution	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
released	O
on	O
August	O
23	O
,	O
2011	O
,	O
for	O
the	O
PC	O
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
and	O
Xbox	O
360	O
platforms	O
and	O
received	O
critical	O
acclaim	O
.	O
</s>
<s>
On	O
April	O
7	O
,	O
2015	O
,	O
Eidos	O
announced	O
a	O
sequel	O
to	O
Deus	B-Application
Ex	I-Application
:	I-Application
Human	I-Application
Revolution	I-Application
and	O
second	O
prequel	O
to	O
Deus	B-Application
Ex	I-Application
titled	O
Deus	B-Application
Ex	I-Application
:	I-Application
Mankind	I-Application
Divided	I-Application
.	O
</s>
<s>
In	O
2012	O
,	O
CBS	O
films	O
revived	O
the	O
project	O
,	O
buying	O
the	O
rights	O
and	O
commissioning	O
a	O
film	O
inspired	O
by	O
the	O
Deux	O
Ex	O
series	B-Application
;	O
its	O
direct	O
inspiration	O
was	O
the	O
2011	O
game	O
Human	B-Application
Revolution	I-Application
.	O
</s>
