<s>
Gotham	B-Application
City	I-Application
Impostors	I-Application
is	O
a	O
first-person	O
shooter	O
multiplayer-only	O
video	O
game	O
developed	O
by	O
Monolith	O
Productions	O
and	O
published	O
by	O
Warner	O
Bros	O
.	O
Interactive	O
Entertainment	O
.	O
</s>
<s>
Set	O
in	O
the	O
universe	O
of	O
DC	O
Comics	O
 '	O
Batman	B-General_Concept
,	O
it	O
consists	O
of	O
two	O
teams	O
of	O
six	O
players	O
which	O
try	O
to	O
kill	O
the	O
other	O
team	O
:	O
one	O
with	O
amateur	O
vigilantes	O
dressed	O
like	O
Batman	B-General_Concept
,	O
and	O
the	O
other	O
with	O
criminals	O
dressed	O
like	O
his	O
archenemy	O
,	O
the	O
Joker	O
.	O
</s>
<s>
Unlike	O
other	O
Batman	B-General_Concept
games	O
,	O
Gotham	B-Application
City	I-Application
Impostors	I-Application
was	O
not	O
physically	O
released	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
Xbox	B-Operating_System
360	I-Operating_System
via	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
,	O
PlayStation	B-Operating_System
3	I-Operating_System
via	O
the	O
PlayStation	B-Device
Network	I-Device
and	O
Microsoft	B-Application
Windows	I-Application
via	O
Games	B-Application
for	I-Application
Windows	I-Application
–	I-Application
Live	I-Application
in	O
February	O
2012	O
.	O
</s>
<s>
The	O
game	O
was	O
re-released	O
on	O
Microsoft	B-Application
Windows	I-Application
as	O
a	O
free-to-play	O
title	O
on	O
August	O
30	O
,	O
2012	O
via	O
Steam	B-Application
using	O
Steamworks	O
.	O
</s>
<s>
Gotham	B-Application
City	I-Application
Impostors	I-Application
is	O
playable	O
by	O
,	O
at	O
the	O
most	O
,	O
12	O
players	O
simultaneously	O
.	O
</s>
<s>
In	O
addition	O
to	O
guns	O
and	O
knives	O
,	O
the	O
players	O
are	O
able	O
to	O
use	O
other	O
gadgets	O
such	O
as	O
grappling	B-Application
hooks	I-Application
,	O
glider	O
wings	O
,	O
roller	O
skates	O
and	O
explosives	O
.	O
</s>
<s>
Batman	B-General_Concept
:	O
Impostors	O
,	O
a	O
storyline	O
that	O
ran	O
through	O
Detective	O
Comics	O
#867	O
-870	O
(	O
Sept.-Dec	O
.	O
2010	O
)	O
,	O
was	O
inspired	O
by	O
Gotham	B-Application
City	I-Application
Impostors	I-Application
.	O
</s>
<s>
The	O
premise	O
for	O
the	O
storyline	O
is	O
that	O
the	O
impostor	O
Jokers	O
were	O
created	O
by	O
Winslow	O
Heath	O
,	O
a	O
man	O
who	O
was	O
a	O
victim	O
of	O
Joker	O
venom	O
early	O
in	O
Batman	B-General_Concept
's	O
career	O
as	O
a	O
result	O
of	O
narcotics	O
that	O
he	O
had	O
ingested	O
before	O
he	O
was	O
exposed	O
to	O
the	O
venom	O
,	O
Heath	O
survived	O
the	O
attack	O
,	O
but	O
was	O
left	O
paralyzed	O
while	O
fully	O
conscious	O
for	O
years	O
;	O
his	O
mouth	O
twisted	O
into	O
a	O
permanent	O
duplicate	O
of	O
the	O
Joker	O
's	O
own	O
smile	O
.	O
</s>
<s>
When	O
he	O
regained	O
full	O
mobility	O
,	O
he	O
discovered	O
that	O
his	O
girlfriend	O
,	O
Beth	O
–	O
who	O
was	O
exposed	O
to	O
the	O
Joker	O
venom	O
under	O
the	O
same	O
circumstances	O
,	O
as	O
the	O
two	O
took	O
the	O
same	O
drugs	O
-	O
was	O
left	O
to	O
die	O
in	O
their	O
apartment	O
as	O
Batman	B-General_Concept
was	O
so	O
caught	O
up	O
in	O
trying	O
to	O
catch	O
the	O
Joker	O
that	O
he	O
never	O
looked	O
back	O
after	O
'	O
rescuing	O
 '	O
Heath	O
,	O
with	O
the	O
result	O
that	O
Beth	O
was	O
left	O
to	O
get	O
eaten	O
alive	O
by	O
crows	O
.	O
</s>
<s>
Driven	O
insane	O
by	O
the	O
torment	O
that	O
he	O
endured	O
in	O
the	O
hospital	O
,	O
Heath	O
called	O
himself	O
the	O
Impostor	O
Joker	O
and	O
created	O
a	O
unique	O
'	O
Joker	O
juice	O
 '	O
he	O
named	O
Formula	O
5	O
that	O
would	O
turn	O
those	O
who	O
used	O
it	O
into	O
temporary	O
duplicates	O
of	O
the	O
Joker	O
with	O
a	O
significant	O
high	O
in	O
the	O
process	O
,	O
simultaneously	O
posing	O
as	O
the	O
Impostor	O
Batman	B-General_Concept
to	O
rally	O
others	O
to	O
also	O
become	O
impostor	O
Batmen	B-General_Concept
,	O
go	O
up	O
against	O
the	O
impostor	O
Jokers	O
and	O
trigger	O
a	O
gang	O
war	O
.	O
</s>
<s>
Although	O
Batman	B-General_Concept
deduced	O
the	O
truth	O
and	O
defeated	O
Heath	O
(	O
who	O
later	O
escaped	O
)	O
,	O
he	O
was	O
left	O
troubled	O
at	O
the	O
implication	O
that	O
Heath	O
was	O
correct	O
in	O
his	O
statement	O
that	O
Batman	B-General_Concept
creates	O
his	O
own	O
villains	O
.	O
</s>
<s>
The	O
preview	O
for	O
Cartoon	O
Network	O
's	O
upcoming	O
animation	O
block	O
DC	O
Nation	O
Shorts	O
in	O
2012	O
included	O
animation	O
of	O
Gotham	B-Application
City	I-Application
Impostors	I-Application
.	O
</s>
<s>
Downloadable	B-Protocol
content	I-Protocol
was	O
released	O
for	O
all	O
platforms	O
and	O
includes	O
new	B-Application
weapons	I-Application
,	O
costumes	O
,	O
and	O
three	O
new	O
stages	O
:	O
the	O
25th	O
Floor	O
,	O
Arkham	O
Asylum	O
,	O
and	O
the	O
East	O
End	O
.	O
</s>
<s>
In	O
the	O
game	O
's	O
menu	O
it	O
was	O
announced	O
that	O
,	O
due	O
to	O
GameSpy	O
shutting	O
down	O
on	O
May	O
31	O
,	O
2014	O
,	O
the	O
servers	O
for	O
the	B-Operating_System
PS3	I-Operating_System
version	O
will	O
shut	O
down	O
.	O
</s>
<s>
As	O
of	O
July	O
25	O
,	O
2014	O
,	O
all	O
PS3	B-Operating_System
servers	O
for	O
Gotham	B-Application
City	I-Application
Impostors	I-Application
have	O
been	O
shut	O
down	O
and	O
the	O
game	O
is	O
now	O
unplayable	O
.	O
</s>
<s>
Gotham	B-Application
City	I-Application
Impostors	I-Application
was	O
removed	O
from	O
Steam	B-Application
in	O
August	O
2021	O
and	O
is	O
no	O
longer	O
obtainable	O
.	O
</s>
<s>
The	O
Escapist	O
writer	O
Allistair	O
Pinsof	O
called	O
the	O
demo	O
a	O
"	O
carbon	O
copy	O
"	O
of	O
Call	B-Application
of	I-Application
Duty	I-Application
first-person	O
shooter	O
games	O
,	O
but	O
said	O
it	O
added	O
enough	O
new	O
features	O
to	O
be	O
enjoyable	O
.	O
</s>
