<s>
Subsurface	B-Application
Circular	I-Application
is	O
a	O
text-based	O
adventure	O
game	O
developed	O
and	O
published	O
by	O
Mike	O
Bithell	O
Games	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
macOS	B-Application
on	O
17	O
August	O
2017	O
,	O
iOS	B-Application
on	O
23	O
October	O
2017	O
and	O
Nintendo	B-Application
Switch	I-Application
on	O
1	O
March	O
2018	O
.	O
</s>
<s>
Subsurface	B-Application
Circular	I-Application
is	O
a	O
loose	O
take	O
on	O
text-based	O
adventure	O
games	O
,	O
with	O
the	O
game	O
presented	O
in	O
a	O
three-dimensional	O
,	O
third-person	O
perspective	O
.	O
</s>
<s>
In	O
the	O
game	O
,	O
the	O
robot	O
detective	O
must	O
solve	O
a	O
case	O
of	O
a	O
number	O
of	O
robots	O
that	O
have	O
gone	O
missing	O
,	O
by	O
talking	O
to	O
other	O
robots	O
while	O
they	O
are	O
on	O
the	O
subway	O
cars	O
,	O
following	O
various	O
conversation	B-Application
trees	I-Application
,	O
and	O
at	O
times	O
,	O
solving	O
puzzles	O
to	O
help	O
out	O
a	O
robot	O
and	O
get	O
more	O
information	O
.	O
</s>
<s>
At	O
the	O
next	O
station	O
,	O
two	O
detective	O
Teks	O
arrive	O
,	O
preparing	O
to	O
deal	O
with	O
Theta	O
One	O
One	O
,	O
but	O
the	O
Tek	O
is	O
able	O
to	O
manipulate	O
the	O
pair	O
to	O
learn	O
that	O
over	O
hundreds	O
of	O
Teks	O
have	O
gone	O
missing	O
over	O
the	O
last	O
several	O
months	O
,	O
and	O
to	O
management	O
,	O
they	O
saw	O
this	O
as	O
a	O
rounding	B-Algorithm
error	I-Algorithm
in	O
Tek	O
production	O
.	O
</s>
<s>
Theta	O
One	O
One	O
manages	O
to	O
coax	O
this	O
out	O
of	O
the	O
Tek	O
,	O
and	O
learns	O
that	O
it	O
was	O
part	O
of	O
the	O
plan	O
to	O
overproduce	O
infantry	O
Teks	O
that	O
have	O
been	O
amassing	O
outside	O
of	O
the	O
city	O
above	O
,	O
preparing	O
to	O
attack	O
it	O
;	O
this	O
is	O
the	O
source	O
of	O
management	O
's	O
rounding	B-Algorithm
error	I-Algorithm
.	O
</s>
<s>
Subsurface	B-Application
Circular	I-Application
was	O
developed	O
by	O
British	O
video	O
game	O
designer	O
and	O
developer	O
Mike	O
Bithell	O
along	O
with	O
a	O
small	O
team	O
.	O
</s>
<s>
He	O
recognised	O
that	O
negotiations	O
for	O
launching	O
development	O
of	O
this	O
game	O
would	O
take	O
several	O
months	O
,	O
and	O
wanted	O
to	O
keep	O
busy	O
during	O
this	O
time	O
,	O
thus	O
starting	O
development	O
of	O
Subsurface	B-Application
Circular	I-Application
shortly	O
after	O
his	O
return	O
.	O
</s>
<s>
Bithell	O
was	O
inspired	O
by	O
old	O
text	O
adventure	O
games	O
such	O
as	O
those	O
he	O
programmed	O
as	O
a	O
youth	O
on	O
the	O
BBC	B-Device
Micro	I-Device
,	O
and	O
decided	O
to	O
try	O
creating	O
a	O
modern	O
take	O
on	O
the	O
genre	O
with	O
a	O
short	O
and	O
focused	O
narrative	O
.	O
</s>
<s>
The	O
game	O
was	O
announced	O
and	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
macOS	B-Application
via	O
Steam	B-Application
on	O
17	O
August	O
2017	O
.	O
</s>
<s>
A	O
port	O
for	O
iOS	B-Application
devices	O
was	O
released	O
on	O
23	O
October	O
2017	O
.	O
</s>
<s>
A	O
version	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
was	O
announced	O
on	O
15	O
February	O
2018	O
,	O
and	O
released	O
on	O
1	O
March	O
2018	O
;	O
this	O
version	O
utilizes	O
the	O
Switch	O
's	O
gyroscopic	O
sensors	O
so	O
that	O
the	O
player	O
can	O
look	O
around	O
the	O
environment	O
by	O
tilting	O
the	O
console	O
.	O
</s>
<s>
In	O
May	O
2018	O
,	O
Bithell	O
released	O
a	O
followup	O
game	O
titled	O
Quarantine	B-Application
Circular	I-Application
.	O
</s>
<s>
Subsurface	B-Application
Circular	I-Application
received	O
high	O
acclaim	O
from	O
critics	O
.	O
</s>
<s>
Campbell	O
complimented	O
Subsurface	B-Application
Circulars	I-Application
"	O
rich	O
narrative	O
landscape	O
"	O
presented	O
through	O
its	O
dialogue	O
and	O
characters	O
.	O
</s>
