<s>
The	B-Application
Inpatient	I-Application
is	O
a	O
psychological	O
horror	O
video	O
game	O
developed	O
by	O
Supermassive	O
Games	O
and	O
published	O
by	O
Sony	O
Interactive	O
Entertainment	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
its	O
virtual	O
reality	O
headset	O
PlayStation	B-Device
VR	I-Device
.	O
</s>
<s>
It	O
is	O
a	O
prequel	O
to	O
the	O
2015	O
game	O
Until	B-Application
Dawn	I-Application
,	O
taking	O
place	O
at	O
the	O
Blackwood	O
Sanatorium	O
in	O
1952	O
,	O
63	O
years	O
before	O
the	O
events	O
of	O
the	O
original	O
game	O
.	O
</s>
<s>
Unlike	O
Until	B-Application
Dawn	I-Application
,	O
it	O
uses	O
a	O
first-person	O
perspective	O
.	O
</s>
<s>
The	B-Application
Inpatient	I-Application
is	O
a	O
survival	O
horror	O
game	O
played	O
from	O
a	O
first-person	O
perspective	O
.	O
</s>
<s>
The	O
player	O
controls	O
a	O
patient	O
suffering	O
from	O
amnesia	B-Application
within	O
the	O
Blackwood	O
Sanatorium	O
in	O
1952	O
during	O
the	O
aftermath	O
of	O
a	O
mine	O
collapse	O
,	O
with	O
the	O
intent	O
on	O
reclaiming	O
their	O
memories	O
.	O
</s>
<s>
The	O
developer	O
of	O
The	B-Application
Inpatient	I-Application
is	O
Supermassive	O
Games	O
,	O
who	O
uses	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
4	O
in	O
its	O
creation	O
.	O
</s>
<s>
The	O
game	O
acts	O
as	O
a	O
prequel	O
to	O
2015	O
's	O
Until	B-Application
Dawn	I-Application
,	O
set	O
inside	O
the	O
Blackwood	O
Sanatorium	O
,	O
63	O
years	O
prior	O
to	O
the	O
events	O
of	O
the	O
original	O
.	O
</s>
<s>
It	O
was	O
announced	O
with	O
a	O
teaser	O
trailer	O
at	O
E3	O
2017	O
,	O
set	O
to	O
be	O
released	O
as	O
a	O
PlayStation	B-Operating_System
4	I-Operating_System
exclusive	O
with	O
support	O
for	O
PlayStation	B-Device
VR	I-Device
on	O
21	O
November	O
2017	O
in	O
North	O
America	O
and	O
22	O
November	O
in	O
Europe	O
.	O
</s>
<s>
The	B-Application
Inpatient	I-Application
received	O
polarized	O
reviews	O
from	O
professional	O
gaming	O
critics	O
,	O
earning	O
a	O
"	O
mixed	O
or	O
average	O
"	O
score	O
of	O
59	O
on	O
review	O
aggregation	O
website	O
Metacritic	O
based	O
on	O
55	O
reviews	O
.	O
</s>
