<s>
Killing	B-Application
Floor	I-Application
2	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
developed	O
and	O
published	O
by	O
Tripwire	O
Interactive	O
,	O
with	O
later	O
support	O
from	O
Saber	O
Interactive	O
.	O
</s>
<s>
It	O
is	O
a	O
sequel	O
to	O
2009	O
's	O
Killing	B-Application
Floor	I-Application
.	O
</s>
<s>
An	O
early	O
access	O
version	O
of	O
the	O
game	O
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
in	O
April	O
2015	O
,	O
and	O
the	O
game	O
was	O
released	O
in	O
November	O
2016	O
for	O
Windows	O
and	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
August	O
2017	O
for	O
Xbox	B-Device
One	I-Device
.	O
</s>
<s>
Killing	B-Application
Floor	I-Application
2	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
that	O
can	O
be	O
played	O
alone	O
or	O
cooperatively	O
with	O
up	O
to	O
six	O
players	O
.	O
</s>
<s>
The	O
game	O
is	O
based	O
on	O
events	O
from	O
Killing	B-Application
Floor	I-Application
,	O
in	O
which	O
bio-tech	O
firm	O
Horzine	B-Application
attempted	O
to	O
create	O
military	O
clones	O
and	O
was	O
hijacked	O
by	O
an	O
insane	O
researcher	O
who	O
unleashed	O
the	O
clones	O
across	O
the	O
UK	O
.	O
</s>
<s>
In	O
Killing	B-Application
Floor	I-Application
2	I-Application
,	O
taking	O
place	O
a	O
month	O
after	O
the	O
first	O
game	O
,	O
the	O
outbreak	O
has	O
spread	O
beyond	O
Europe	O
,	O
causing	O
governments	O
to	O
collapse	O
and	O
communication	O
systems	O
to	O
fail	O
.	O
</s>
<s>
Killing	B-Application
Floor	I-Application
2	I-Application
was	O
developed	O
by	O
Tripwire	O
Interactive	O
,	O
who	O
began	O
work	O
following	O
the	O
release	O
of	O
their	O
2011	O
video	O
game	O
Red	B-Application
Orchestra	I-Application
2	I-Application
:	I-Application
Heroes	I-Application
of	I-Application
Stalingrad	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
announced	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Linux	B-Application
by	O
PC	O
Gamer	O
on	O
May	O
8	O
,	O
2014	O
.	O
</s>
<s>
Tripwire	O
president	O
John	O
Gibson	O
stated	O
Killing	B-Application
Floor	I-Application
2	I-Application
is	O
the	O
first	O
time	O
they	O
had	O
been	O
able	O
to	O
develop	O
a	O
game	O
with	O
what	O
he	O
thought	O
was	O
a	O
reasonable	O
team	O
size	O
and	O
budget	O
.	O
</s>
<s>
The	O
original	O
Killing	B-Application
Floor	I-Application
was	O
ported	O
by	O
ten	O
people	O
in	O
a	O
three-month	O
period	O
;	O
by	O
2014	O
the	O
studio	O
had	O
expanded	O
to	O
a	O
team	O
of	O
fifty	O
employees	O
.	O
</s>
<s>
The	O
team	O
launched	O
the	O
game	O
on	O
Steam	B-Application
's	O
Early	O
Access	O
program	O
to	O
get	O
feedback	O
from	O
players	O
on	O
weapon	O
and	O
perk	O
balance	O
.	O
</s>
<s>
The	O
increased	O
budget	O
meant	O
this	O
was	O
the	O
first	O
project	O
where	O
Tripwire	O
could	O
use	O
motion	B-Application
capture	I-Application
.	O
</s>
<s>
Motion	B-Application
capture	I-Application
was	O
recorded	O
in	O
San	O
Diego	O
at	O
Sony	O
Computer	O
Entertainment	O
's	O
motion	B-Application
capture	I-Application
studio	O
and	O
the	O
process	O
was	O
used	O
for	O
creature	O
animations	O
and	O
weapon	O
animations	O
in	O
both	O
first	O
-	O
and	O
third-person	O
perspectives	O
.	O
</s>
<s>
Bloodstains	O
are	O
a	O
permanent	O
fixture	O
on	O
maps	O
in	O
Killing	B-Application
Floor	I-Application
2	I-Application
.	O
</s>
<s>
In	O
the	O
original	O
Killing	B-Application
Floor	I-Application
each	O
of	O
the	O
enemy	O
specimens	O
had	O
five	O
individual	O
points	O
of	O
dismemberment	O
;	O
in	O
Killing	B-Application
Floor	I-Application
2	I-Application
this	O
number	O
of	O
points	O
has	O
been	O
increased	O
to	O
twenty-two	O
to	O
provide	O
substantially	O
more	O
variety	O
in	O
the	O
dismemberment	O
animations	O
.	O
</s>
<s>
To	O
alleviate	O
the	O
perk	O
levelling	O
grind	B-Application
from	O
the	O
first	O
game	O
,	O
the	O
number	O
of	O
levels	O
has	O
been	O
increased	O
drastically	O
to	O
allow	O
players	O
to	O
level	O
up	O
more	O
regularly	O
.	O
</s>
<s>
Tripwire	O
are	O
planning	O
to	O
implement	O
support	O
for	O
Steam	B-Application
Workshop	I-Application
and	O
release	O
a	O
software	B-Application
development	I-Application
kit	I-Application
to	O
allow	O
for	O
extensive	O
modding	O
.	O
</s>
<s>
A	O
PlayStation	B-Operating_System
4	I-Operating_System
version	O
was	O
announced	O
at	O
the	O
PlayStation	O
Experience	O
on	O
December	O
6	O
,	O
2014	O
.	O
</s>
<s>
Many	O
players	O
expressed	O
concern	O
with	O
this	O
addition	O
,	O
as	O
the	O
game	O
at	O
this	O
point	O
had	O
not	O
left	O
Early	O
Access	O
,	O
and	O
that	O
a	O
similar	O
situation	O
had	O
recently	O
occurred	O
with	O
Payday	B-Application
2	I-Application
by	O
Overkill	O
Software	O
where	O
the	O
addition	O
of	O
micropayment-based	O
content	O
was	O
met	O
with	O
harsh	O
feedback	O
.	O
</s>
<s>
In	O
March	O
2016	O
,	O
Tripwire	O
updated	O
the	O
game	O
on	O
PCs	O
to	O
include	O
support	O
for	O
Steam	B-Application
Workshop	I-Application
support	O
,	O
allowing	O
users	O
to	O
provide	O
their	O
own	O
maps	O
,	O
weapons	O
,	O
character	O
models	O
,	O
and	O
other	O
modifications	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
on	O
18	O
November	O
2016	O
for	O
Windows	O
,	O
and	O
PlayStation	B-Operating_System
4	I-Operating_System
.	O
</s>
<s>
The	O
soundtrack	O
for	O
Killing	B-Application
Floor	I-Application
2	I-Application
was	O
released	O
by	O
Solid	O
State	O
Records	O
on	O
April	O
21	O
,	O
2015	O
.	O
</s>
<s>
It	O
's	O
a	O
score	O
that	O
’s	O
dying	O
to	O
be	O
put	O
inside	O
a	O
cool	O
game	O
which	O
I	O
think	O
Killing	B-Application
Floor	I-Application
2	I-Application
is.	O
"	O
</s>
<s>
Following	O
PC	O
Gamers	O
coverage	O
and	O
reveal	O
of	O
Killing	B-Application
Floor	I-Application
2	I-Application
,	O
they	O
announced	O
subscribers	O
to	O
the	O
US	O
version	O
of	O
their	O
magazine	O
would	O
receive	O
an	O
exclusive	O
character	O
skin	O
in	O
Issue	O
#254	O
.	O
</s>
<s>
On	O
July	O
31	O
,	O
2014	O
,	O
Iceberg	O
Interactive	O
announced	O
a	O
partnership	O
Tripwire	O
to	O
bring	O
Killing	B-Application
Floor	I-Application
2	I-Application
to	O
retail	O
stores	O
in	O
Europe	O
and	O
other	O
non-Steam	O
digital	O
platforms	O
.	O
</s>
<s>
On	O
February	O
18	O
,	O
2015	O
,	O
Tripwire	O
released	O
a	O
live	O
action	O
short	O
film	O
,	O
titled	O
Killing	B-Application
Floor	I-Application
:	O
Uncovered	O
,	O
created	O
in	O
collaboration	O
with	O
film	O
production	O
company	O
Type	O
AB	O
.	O
</s>
<s>
The	O
film	O
is	O
set	O
prior	O
to	O
the	O
events	O
of	O
the	O
first	O
Killing	B-Application
Floor	I-Application
game	O
and	O
details	O
the	O
events	O
that	O
lead	O
to	O
the	O
Zed	O
outbreak	O
.	O
</s>
<s>
On	O
April	O
10	O
,	O
Tripwire	O
gave	O
away	O
keys	O
for	O
an	O
existing	O
beta	O
version	O
of	O
Killing	B-Application
Floor	I-Application
2	I-Application
that	O
ran	O
until	O
April	O
16	O
.	O
</s>
<s>
On	O
April	O
21	O
,	O
an	O
early	O
access	O
version	O
of	O
the	O
game	O
was	O
released	O
on	O
Steam	B-Application
for	O
Windows	O
.	O
</s>
<s>
Meanwhile	O
,	O
the	O
full	O
version	O
of	O
the	O
game	O
was	O
scheduled	O
to	O
be	O
released	O
on	O
both	O
Microsoft	B-Application
Windows	I-Application
and	O
PlayStation	B-Operating_System
4	I-Operating_System
in	O
2016	O
.	O
</s>
<s>
A	O
Digital	O
Deluxe	O
Edition	O
of	O
the	O
game	O
is	O
available	O
;	O
bonus	O
features	O
include	O
the	O
soundtrack	O
,	O
a	O
digital	O
artbook	O
,	O
several	O
in-game	O
virtual	O
items	O
,	O
and	O
a	O
copy	O
of	O
the	O
original	O
Killing	B-Application
Floor	I-Application
game	O
.	O
</s>
<s>
A	O
compilation	O
of	O
both	O
games	O
,	O
titled	O
,	O
Killing	B-Application
Floor	I-Application
:	O
Double	O
Feature	O
was	O
released	O
on	O
May	O
21	O
,	O
2019	O
.	O
</s>
<s>
Killing	B-Application
Floor	I-Application
2	I-Application
was	O
added	O
to	O
the	O
Epic	O
Games	O
Store	O
in	O
July	O
2020	O
,	O
along	O
with	O
a	O
update	O
for	O
the	O
Steam	B-Application
version	O
to	O
allow	O
cross-play	O
on	O
the	O
Windows	O
versions	O
of	O
either	O
game	O
.	O
</s>
<s>
Killing	B-Application
Floor	I-Application
2	I-Application
received	O
"	O
generally	O
favorable	O
"	O
reviews	O
according	O
to	O
review	B-Application
aggregator	I-Application
website	O
Metacritic	O
.	O
</s>
