<s>
Back	B-Application
4	I-Application
Blood	I-Application
is	O
a	O
2021	O
first-person	O
shooter	O
game	O
developed	O
by	O
Turtle	O
Rock	O
Studios	O
and	O
published	O
by	O
Warner	O
Bros	O
.	O
Games	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
October	O
12	O
,	O
2021	O
,	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
PlayStation	B-Device
5	I-Device
,	O
Windows	O
,	O
Xbox	B-Device
One	I-Device
,	O
and	O
Xbox	B-Device
Series	I-Device
X/S	I-Device
.	O
</s>
<s>
The	O
game	O
is	O
considered	O
to	O
be	O
a	O
spiritual	O
successor	O
to	O
the	O
Left	B-Application
4	I-Application
Dead	I-Application
series	O
,	O
and	O
carries	O
over	O
several	O
key	O
gameplay	O
pillars	O
,	O
such	O
as	O
a	O
strong	O
emphasis	O
on	O
cooperative	O
teamwork	O
,	O
and	O
an	O
AI	O
system	O
called	O
the	O
"	O
Game	O
Director	O
"	O
,	O
which	O
dynamically	O
modifies	O
the	O
environment	O
,	O
placement	O
of	O
enemies	O
,	O
items	O
,	O
and	O
obstacles	O
in	O
response	O
to	O
players	O
 '	O
progression	O
and	O
behavior	O
.	O
</s>
<s>
In	O
the	O
game	O
's	O
primary	O
player	O
versus	O
environment	O
game	O
modes	O
,	O
players	O
join	O
a	O
four-person	O
team	O
of	O
post-apocalypse	O
survivors	O
called	O
Cleaners	O
,	O
who	O
must	O
fight	O
their	O
way	O
through	O
levels	O
populated	O
by	O
zombie-like	O
monsters	O
called	O
The	O
Ridden	O
.	O
</s>
<s>
A	O
new	O
feature	O
of	O
Back	B-Application
4	I-Application
Blood	I-Application
is	O
cards	O
.	O
</s>
<s>
The	O
game	O
features	O
pre-defined	O
hero	O
characters	O
who	O
have	O
preset	O
attributes	O
and	O
abilities	O
,	O
and	O
players	O
can	O
purchase	O
upgrades	O
and	O
items	O
with	O
an	O
in-game	B-Application
currency	I-Application
called	O
Copper	O
.	O
</s>
<s>
After	O
securing	O
the	O
T-5	O
compounds	O
,	O
the	O
Cleaners	O
fly	O
back	O
to	O
Fort	O
Hope	O
in	O
a	O
Black	O
Hawk	O
helicopter	B-Application
piloted	O
by	O
Rogers	O
,	O
and	O
see	O
Fort	O
Hope	O
being	O
attacked	O
by	O
a	O
massive	O
burrowing	O
Ridden	O
called	O
"	O
the	O
Abomination	O
"	O
.	O
</s>
<s>
The	O
Cleaners	O
weaken	O
the	O
Abomination	O
with	O
a	O
T-5	O
payload	O
before	O
their	O
helicopter	B-Application
crashes	O
,	O
killing	O
Rogers	O
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
by	O
Turtle	O
Rock	O
Studios	O
,	O
including	O
seven	O
of	O
the	O
developers	O
who	O
worked	O
on	O
the	O
demo	O
that	O
would	O
become	O
the	O
first	O
Left	B-Application
4	I-Application
Dead	I-Application
game	O
.	O
</s>
<s>
According	O
to	O
the	O
development	O
team	O
,	O
the	O
game	O
features	O
a	O
more	O
expanded	O
story	O
than	O
the	O
Left	B-Application
4	I-Application
Dead	I-Application
games	O
,	O
and	O
has	O
a	O
more	O
uplifting	O
tone	O
than	O
other	O
zombie	B-Application
games	O
in	O
the	O
market	O
.	O
</s>
<s>
Phil	O
Robb	O
,	O
the	O
game	O
's	O
creative	O
director	O
,	O
added	O
that	O
the	O
Cleaners	O
are	O
more	O
confident	O
and	O
capable	O
,	O
unlike	O
the	O
everymen	O
from	O
Left	B-Application
4	I-Application
Dead	I-Application
.	O
</s>
<s>
They	O
are	O
fighting	O
zombies	B-Application
to	O
create	O
safe	O
spaces	O
.	O
</s>
<s>
Initially	O
set	O
to	O
be	O
released	O
on	O
June	O
22	O
,	O
2021	O
,	O
the	O
game	O
was	O
delayed	O
to	O
October	O
12	O
,	O
2021	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
PlayStation	B-Device
5	I-Device
,	O
Windows	O
,	O
Xbox	B-Device
One	I-Device
,	O
and	O
Xbox	B-Device
Series	I-Device
X/S	I-Device
.	O
</s>
<s>
In	O
January	O
2022	O
,	O
Turtle	O
Rock	O
Studios	O
confirmed	O
in	O
a	O
Reddit	B-Application
Ask	O
me	O
Anything	O
plans	O
for	O
future	O
paid	O
downloadable	B-Protocol
content	I-Protocol
,	O
to	O
which	O
new	O
characters	O
will	O
be	O
tied	O
to	O
.	O
</s>
<s>
Back	B-Application
4	I-Application
Blood	I-Application
received	O
"	O
generally	O
favorable	O
"	O
reviews	O
for	O
the	O
PC	O
and	O
PlayStation	B-Device
5	I-Device
versions	O
but	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
for	O
the	O
Xbox	B-Device
Series	I-Device
X/S	I-Device
version	O
,	O
according	O
to	O
review	O
aggregator	O
Metacritic	O
.	O
</s>
