<s>
State	B-Application
of	I-Application
Decay	I-Application
is	O
a	O
series	O
of	O
third-person	O
survival	O
horror	O
video	O
games	O
.	O
</s>
<s>
The	O
series	O
was	O
created	O
by	O
Undead	O
Labs	O
and	O
published	O
by	O
Xbox	B-Device
Game	O
Studios	O
.	O
</s>
<s>
State	B-Application
of	I-Application
Decay	I-Application
is	O
a	O
series	O
of	O
survival	O
horror	O
video	O
games	O
.	O
</s>
<s>
Unlike	O
many	O
other	O
zombie	O
games	O
in	O
the	O
market	O
,	O
State	B-Application
of	I-Application
Decay	I-Application
is	O
not	O
about	O
killing	O
zombies	O
.	O
</s>
<s>
State	B-Application
of	I-Application
Decay	I-Application
is	O
the	O
debut	O
title	O
for	O
Undead	O
Labs	O
.	O
</s>
<s>
Originally	O
announced	O
as	O
"	O
Class3	B-Application
"	O
,	O
it	O
was	O
released	O
for	O
the	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
,	O
and	O
Microsoft	B-Application
Windows	I-Application
in	O
June	O
2013	O
.	O
</s>
<s>
An	O
enhanced	O
version	O
of	O
the	O
game	O
,	O
titled	O
State	B-Application
of	I-Application
Decay	I-Application
:	I-Application
Year-One	I-Application
Survival	I-Application
Edition	I-Application
,	O
which	O
introduced	O
new	O
weapons	O
,	O
vehicles	O
and	O
characters	O
,	O
was	O
released	O
in	O
2015	O
for	O
Windows	O
and	O
Xbox	B-Device
One	I-Device
.	O
</s>
<s>
State	B-Application
of	I-Application
Decay	I-Application
2	I-Application
was	O
the	O
follow-up	O
to	O
the	O
first	O
game	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
the	B-Device
Xbox	I-Device
One	I-Device
in	O
May	O
2018	O
.	O
</s>
<s>
Enabled	O
by	O
the	O
success	O
of	O
Xbox	B-Application
Game	I-Application
Pass	I-Application
,	O
the	O
game	O
had	O
more	O
than	O
5	O
million	O
players	O
in	O
2019	O
.	O
</s>
<s>
An	O
expansion	O
,	O
Heartland	O
,	O
as	O
well	O
as	O
several	O
pieces	O
of	O
downloadable	B-Protocol
content	I-Protocol
,	O
were	O
released	O
for	O
the	O
game	O
.	O
</s>
<s>
Following	O
the	O
release	O
of	O
State	B-Application
of	I-Application
Decay	I-Application
2	I-Application
,	O
Microsoft	O
fully	O
acquired	O
Undead	O
Labs	O
,	O
making	O
it	O
a	O
first-party	O
studio	O
.	O
</s>
<s>
It	O
is	O
working	O
on	O
the	O
third	O
installment	O
in	O
the	O
franchise	O
,	O
which	O
is	O
set	O
to	O
be	O
released	O
for	O
Windows	O
and	O
Xbox	B-Device
Series	I-Device
X/S	I-Device
.	O
</s>
<s>
It	O
was	O
envisioned	O
to	O
be	O
a	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
.	O
</s>
<s>
However	O
,	O
the	O
concept	O
was	O
abandoned	O
following	O
the	O
success	O
of	O
State	B-Application
of	I-Application
Decay	I-Application
,	O
as	O
fans	O
of	O
the	O
game	O
were	O
requesting	O
a	O
more	O
expanded	O
and	O
polished	O
sequel	O
instead	O
of	O
a	O
game	O
that	O
was	O
drastically	O
different	O
.	O
</s>
