<s>
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
was	O
a	O
cancelled	O
action-stealth	O
game	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
developed	O
by	O
Pandemic	O
Studios	O
from	O
September	O
2006	O
until	O
its	O
cancellation	O
in	O
October	O
2008	O
.	O
</s>
<s>
It	O
would	O
have	O
been	O
the	O
first	O
open	O
world	O
video	O
game	O
to	O
feature	O
the	O
DC	O
Comics	O
superhero	O
Batman	B-Application
and	O
was	O
based	O
on	O
Christopher	O
Nolan	O
's	O
film	O
The	B-Device
Dark	I-Device
Knight	I-Device
.	O
</s>
<s>
In	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
,	O
the	O
player	O
controlled	O
Batman	B-Application
,	O
who	O
could	O
freely	O
explore	O
Gotham	O
City	O
,	O
drive	O
vehicles	O
,	O
and	O
perform	O
missions	O
.	O
</s>
<s>
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
was	O
initially	O
developed	O
in	O
the	O
same	O
linear	O
style	O
as	O
the	O
2005	O
Batman	B-Application
Begins	I-Application
tie-in	B-Application
game	I-Application
,	O
but	O
was	O
retooled	O
when	O
the	O
studio	O
decided	O
an	O
open	O
world	O
approach	O
would	O
better	O
suit	O
Nolan	O
's	O
interpretation	O
of	O
Batman	B-Application
.	O
</s>
<s>
The	O
publisher	O
did	O
not	O
renew	O
its	O
license	O
for	O
the	O
Batman	B-Application
intellectual	O
property	O
afterwards	O
.	O
</s>
<s>
The	O
rights	O
reverted	O
to	O
Warner	O
Bros	O
.	O
Interactive	O
Entertainment	O
,	O
which	O
went	O
on	O
to	O
release	O
the	O
critically	O
acclaimed	O
Batman	B-Application
:	I-Application
Arkham	I-Application
series	O
.	O
</s>
<s>
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
was	O
kept	O
a	O
secret	O
during	O
its	O
development	O
cycle	O
;	O
Gary	O
Oldman	O
made	O
the	O
only	O
public	O
mention	O
of	O
it	O
during	O
production	O
.	O
</s>
<s>
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
was	O
an	O
action-stealth	O
game	O
in	O
which	O
the	O
player	O
controlled	O
the	O
DC	O
Comics	O
superhero	O
Batman	B-Application
.	O
</s>
<s>
Based	O
on	O
Christopher	O
Nolan	O
's	O
2008	O
film	O
The	B-Device
Dark	I-Device
Knight	I-Device
,	O
it	O
would	O
have	O
been	O
a	O
sequel	O
to	O
the	O
2005	O
game	O
Batman	B-Application
Begins	I-Application
.	O
</s>
<s>
The	O
game	O
's	O
earliest	O
prototypes	O
closely	O
followed	O
Batman	B-Application
Beginss	O
gameplay	O
approach	O
as	O
a	O
linear	O
action	B-Application
game	I-Application
.	O
</s>
<s>
However	O
,	O
later	O
versions	O
placed	O
Batman	B-Application
in	O
an	O
open	O
world	O
version	O
of	O
Gotham	O
City	O
which	O
he	O
could	O
freely	O
explore	O
.	O
</s>
<s>
Batman	B-Application
could	O
traverse	O
on	O
foot	O
,	O
drive	O
the	O
Batmobile	O
or	O
Batpod	O
,	O
or	O
glide	O
through	O
the	O
air	O
.	O
</s>
<s>
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
would	O
have	O
been	O
the	O
first	O
open	O
world	O
Batman	B-Application
game	O
,	O
preceding	O
Batman	B-Application
:	I-Application
Arkham	I-Application
City	I-Application
(	O
2011	O
)	O
.	O
</s>
<s>
Elevation	O
Partners	O
acquired	O
the	O
license	O
for	O
a	O
video	O
game	O
based	O
on	O
The	B-Device
Dark	I-Device
Knight	I-Device
shortly	O
after	O
it	O
was	O
green-lit	O
by	O
Warner	O
Bros	O
.	O
</s>
<s>
It	O
outsourced	O
development	O
to	O
Pandemic	O
Studios	O
,	O
known	O
for	O
Star	B-Application
Wars	I-Application
:	I-Application
Battlefront	I-Application
,	O
Eddsworld	O
says	O
that	O
it	O
's	O
was	O
canceled	O
due	O
to	O
the	O
game	O
glitches	O
and	O
they	O
do	O
n't	O
want	O
to	O
fix	O
it	O
because	O
they	O
do	O
n't	O
want	O
people	O
complaining	O
that	O
the	O
game	O
Is	O
broken	O
and	O
can	O
not	O
be	O
playedDestroy	O
All	O
Humans	O
!,	O
and	O
Mercenaries	O
;	O
Pandemic	O
's	O
management	O
assigned	O
production	O
to	O
its	O
Brisbane	O
branch	O
.	O
</s>
<s>
Electronic	O
Arts	O
(	O
EA	O
)	O
,	O
which	O
had	O
previously	O
published	O
the	O
Batman	B-Application
Begins	I-Application
tie-in	B-Application
game	I-Application
,	O
was	O
to	O
publish	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
.	O
</s>
<s>
Planning	O
for	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
began	O
in	O
September	O
2006	O
,	O
before	O
principal	O
photography	O
for	O
the	O
film	O
.	O
</s>
<s>
After	O
the	O
completion	O
of	O
Destroy	B-Application
All	I-Application
Humans	I-Application
!	I-Application
</s>
<s>
2	O
,	O
Pandemic	O
was	O
split	O
into	O
two	O
groups	O
,	O
with	O
team	O
"	O
Alpha	O
"	O
working	O
on	O
a	O
racing	O
video	O
game	O
for	O
the	B-Operating_System
Wii	I-Operating_System
and	O
team	O
"	O
Bravo	O
"	O
working	O
on	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
,	O
which	O
was	O
intended	O
to	O
release	O
on	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
EA	O
's	O
license	O
to	O
Batman	B-Application
video	O
games	O
was	O
valid	O
for	O
18	O
months	O
and	O
would	O
expire	O
in	O
December	O
2008	O
.	O
</s>
<s>
The	O
first	O
prototypes	O
for	O
the	O
game	O
were	O
created	O
on	O
the	O
PlayStation	B-Device
2	I-Device
because	O
the	O
studio	O
had	O
not	O
yet	O
decided	O
which	O
game	O
engine	O
The	B-Device
Dark	I-Device
Knight	I-Device
would	O
use	O
.	O
</s>
<s>
The	O
first	O
work	O
done	O
for	O
the	O
game	O
was	O
the	O
creation	O
of	O
Gotham	O
City	O
and	O
the	O
physics	O
for	O
Batman	B-Application
's	O
gliding	O
ability	O
.	O
</s>
<s>
The	O
initial	O
gameplay	O
was	O
linear	O
,	O
similar	O
to	O
the	O
Batman	B-Application
Begins	I-Application
game	O
.	O
</s>
<s>
Most	O
of	O
their	O
effort	O
went	O
into	O
designing	O
the	O
graphical	O
style	O
and	O
environments	O
that	O
would	O
mimic	O
the	O
look	O
and	O
feel	O
of	O
Batman	B-Application
Begins	I-Application
.	O
</s>
<s>
One	O
of	O
Elevation	O
Partners	O
 '	O
cofounders	O
—	O
singer	O
and	O
Batman	B-Application
fan	O
Bono	O
,	O
who	O
was	O
on	O
tour	O
with	O
U2	O
—	O
visited	O
Brisbane	O
during	O
this	O
stage	O
of	O
development	O
.	O
</s>
<s>
As	O
the	O
Brisbane	O
branch	O
of	O
Pandemic	O
worked	O
on	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
,	O
Pandemic	O
's	O
office	O
in	O
Los	O
Angeles	O
had	O
been	O
working	O
on	O
a	O
new	O
game	O
engine	O
,	O
Odin	O
.	O
</s>
<s>
It	O
was	O
created	O
during	O
the	O
development	O
of	O
The	B-Application
Saboteur	I-Application
(	O
2009	O
)	O
and	O
designed	O
for	O
detailed	O
open	O
world	O
games	O
.	O
</s>
<s>
Pandemic	O
decided	O
an	O
open	O
world	O
approach	O
would	O
suit	O
Nolan	O
's	O
interpretation	O
of	O
Batman	B-Application
's	O
world	O
better	O
than	O
a	O
linear	O
one	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
2007	O
,	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knights	I-Device
assets	O
were	O
being	O
transferred	O
into	O
Odin	O
.	O
</s>
<s>
Troubles	O
began	O
when	O
Batman	B-Application
's	O
model	O
was	O
imported	O
;	O
attempts	O
to	O
control	O
him	O
caused	O
the	O
frame	O
rate	O
to	O
drop	O
to	O
five	O
frames	O
per	O
second	O
(	O
FPS	O
)	O
.	O
</s>
<s>
Importing	O
more	O
characters	O
caused	O
the	O
performance	O
to	O
get	O
worse	O
and	O
caused	O
many	O
development	O
kits	O
to	O
crash	B-General_Concept
.	O
</s>
<s>
Shortly	O
after	O
this	O
,	O
EA	O
acquired	O
Elevation	O
Partners	O
and	O
delayed	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knights	I-Device
release	O
to	O
December	O
to	O
coincide	O
with	O
the	O
film	O
's	O
release	O
on	O
home	O
media	O
.	O
</s>
<s>
Pandemic	O
used	O
the	O
extra	O
time	O
to	O
make	O
the	O
game	O
playable	O
,	O
but	O
missions	O
suffered	O
from	O
software	B-Error_Name
bugs	I-Error_Name
and	O
the	O
slowdown	O
was	O
unresolved	O
.	O
</s>
<s>
EA	O
and	O
Pandemic	O
attempted	O
to	O
keep	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
a	O
secret	O
,	O
but	O
Gary	O
Oldman	O
,	O
who	O
played	O
Jim	O
Gordon	O
in	O
the	O
film	O
,	O
revealed	O
the	O
game	O
was	O
in	O
development	O
during	O
an	O
interview	O
with	O
G4	O
.	O
</s>
<s>
At	O
one	O
point	O
in	O
development	O
,	O
Oldman	O
visited	O
Brisbane	O
to	O
view	O
the	O
progress	O
and	O
was	O
shown	O
a	O
build	O
of	O
Batman	B-Application
gliding	O
over	O
a	O
city	O
and	O
Gordon	O
using	O
the	O
Bat-Signal	O
.	O
</s>
<s>
The	O
Brisbane	O
branch	O
of	O
Pandemic	O
was	O
shut	O
down	O
shortly	O
after	O
the	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
debacle	O
in	O
February	O
2009	O
;	O
some	O
staff	O
moved	O
to	O
Los	O
Angeles	O
to	O
finish	O
The	B-Application
Saboteur	I-Application
.	O
</s>
<s>
EA	O
did	O
not	O
renew	O
its	O
license	O
,	O
so	O
the	O
video	O
game	O
rights	O
to	O
the	O
Batman	B-Application
intellectual	O
property	O
reverted	O
to	O
Warner	O
Bros	O
.	O
Interactive	O
Entertainment	O
afterwards	O
.	O
</s>
<s>
Warner	O
Bros	O
.	O
eventually	O
released	O
the	O
critically	O
acclaimed	O
Batman	B-Application
:	I-Application
Arkham	I-Application
series	O
,	O
which	O
featured	O
an	O
open	O
world	O
gameplay	O
style	O
.	O
</s>
<s>
Although	O
a	O
Dark	O
Knight	O
video	O
game	O
was	O
never	O
released	O
,	O
an	O
expansion	O
pack	O
for	O
Lego	B-Application
Batman	I-Application
3	I-Application
:	I-Application
Beyond	I-Application
Gotham	I-Application
(	O
2014	O
)	O
contains	O
levels	O
based	O
on	O
the	O
film	O
,	O
and	O
Batman	B-Application
's	O
suit	O
from	O
the	O
film	O
is	O
available	O
as	O
downloadable	B-Protocol
content	I-Protocol
for	O
Batman	B-Application
:	I-Application
Arkham	I-Application
Knight	I-Application
(	O
2015	O
)	O
.	O
</s>
<s>
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
was	O
never	O
formally	O
announced	O
.	O
</s>
<s>
Rumors	O
of	O
its	O
existence	O
surfaced	O
in	O
May	O
2007	O
,	O
but	O
before	O
Oldman	O
stated	O
it	O
was	O
in	O
development	O
,	O
video	O
game	O
journalists	O
speculated	O
why	O
no	O
video	O
game	O
adaptation	O
of	O
The	B-Device
Dark	I-Device
Knight	I-Device
had	O
been	O
announced	O
.	O
</s>
<s>
Inverse	O
wrote	O
the	O
absence	O
of	O
an	O
adaptation	O
was	O
unusual	O
:	O
"	O
In	O
the	O
late-aughts	O
,	O
it	O
was	O
pretty	O
much	O
guaranteed	O
any	O
superhero	O
or	O
animated	O
family	O
movie	O
would	O
have	O
a	O
video	O
game	O
tie-in	O
that	O
would	O
capitalize	O
on	O
release	O
...	O
anyone	O
would	O
have	O
snatched	O
up	O
a	O
licensed	O
videogame	O
of	O
The	B-Device
Dark	I-Device
Knight	I-Device
,	O
one	O
of	O
the	O
rare	O
cultural	O
events	O
that	O
actually	O
surpassed	O
the	O
critical	O
mass	O
hype.	O
"	O
</s>
<s>
dedicated	O
an	O
episode	O
of	O
its	O
series	O
Unseen64	O
to	O
Batman	B-Device
:	I-Device
The	I-Device
Dark	I-Device
Knight	I-Device
,	O
showcasing	O
gameplay	O
footage	O
from	O
prototypes	O
and	O
concept	O
artwork	O
.	O
</s>
