<s>
12Riven	B-Application
:	I-Application
The	I-Application
Psi-Climinal	I-Application
of	I-Application
Integral	I-Application
is	O
a	O
visual	O
novel	O
video	O
game	O
developed	O
by	O
KID	O
,	O
CyberFront	O
,	O
and	O
SDR	O
Project	O
,	O
and	O
released	O
on	O
March	O
13	O
,	O
2008	O
,	O
for	O
the	O
PlayStation	B-Device
2	I-Device
and	O
April	O
16	O
,	O
2009	O
,	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
KID	O
are	O
known	O
for	O
producing	O
the	O
Memories	B-Application
Off	I-Application
series	O
,	O
and	O
the	O
Infinity	B-Application
series	O
which	O
includes	O
Never	B-Application
7	I-Application
:	I-Application
The	I-Application
End	I-Application
of	I-Application
Infinity	I-Application
,	O
Ever	B-Application
17	I-Application
:	I-Application
The	I-Application
Out	I-Application
of	I-Application
Infinity	I-Application
,	O
and	O
Remember	B-Application
11	I-Application
:	I-Application
The	I-Application
Age	I-Application
of	I-Application
Infinity	I-Application
.	O
</s>
<s>
The	O
game	O
had	O
two	O
different	O
PC	B-Device
releases	O
on	O
April	O
4	O
,	O
2008	O
.	O
</s>
<s>
It	O
was	O
released	O
as	O
a	O
standalone	O
product	O
and	O
as	O
a	O
part	O
of	O
the	O
Infinity	B-Application
Plus	O
pack	O
(	O
which	O
includes	O
PC	B-Device
versions	O
of	O
Never	B-Application
7	I-Application
:	I-Application
The	I-Application
End	I-Application
of	I-Application
Infinity	I-Application
,	O
Ever	B-Application
17	I-Application
:	I-Application
The	I-Application
Out	I-Application
of	I-Application
Infinity	I-Application
,	O
Remember	B-Application
11	I-Application
:	I-Application
The	I-Application
Age	I-Application
of	I-Application
Infinity	I-Application
and	O
12Riven	B-Application
)	O
.	O
</s>
<s>
A	O
port	O
for	O
Android	B-Application
and	O
iOS	B-Application
was	O
announced	O
by	O
Cyberfront	O
in	O
2012	O
but	O
was	O
ultimately	O
not	O
released	O
as	O
Cyberfront	O
was	O
dissolved	O
in	O
2013	O
.	O
</s>
<s>
12Riven	B-Application
is	O
a	O
visual	O
novel	O
in	O
which	O
the	O
player	O
makes	O
progress	O
by	O
reading	O
the	O
game	O
's	O
story	O
.	O
</s>
<s>
The	O
story	O
of	O
12Riven	B-Application
takes	O
place	O
on	O
May	O
20	O
,	O
2012	O
,	O
with	O
high	O
school	O
student	O
Renmaru	O
Miyabidō	O
biking	O
his	O
way	O
speedily	O
towards	O
the	O
abandoned	O
building	O
after	O
receiving	O
a	O
message	O
on	O
his	O
cellphone	O
that	O
Myū	O
,	O
an	O
old	O
friend	O
of	O
his	O
,	O
would	O
die	O
at	O
the	O
building	O
's	O
top	O
level	O
today	O
at	O
noon	O
.	O
</s>
<s>
12Riven	B-Application
and	O
Memories	B-Application
Off	I-Application
5	I-Application
:	I-Application
Encore	I-Application
,	O
another	O
game	O
that	O
was	O
under	O
development	O
by	O
KID	O
,	O
were	O
originally	O
in	O
danger	O
of	O
not	O
being	O
released	O
when	O
KID	O
filed	O
for	O
bankruptcy	O
in	O
2006	O
.	O
</s>
<s>
For	O
the	O
release	O
on	O
PSP	B-Operating_System
,	O
new	O
opening	O
and	O
ending	O
themes	O
sung	O
by	O
Yui	O
Sakakibara	O
were	O
recorded	O
.	O
</s>
<s>
12Riven	B-Application
was	O
originally	O
set	O
to	O
be	O
released	O
on	O
December	O
6	O
,	O
2007	O
,	O
but	O
it	O
was	O
delayed	O
to	O
February	O
14	O
,	O
2008	O
.	O
</s>
<s>
Both	O
the	O
standalone	O
PC	B-Device
version	O
and	O
the	O
bundled	O
version	O
with	O
the	O
Infinity	B-Application
Plus	O
package	O
was	O
released	O
on	O
April	O
4	O
,	O
2008	O
.	O
</s>
<s>
On	O
its	O
first	O
week	O
of	O
release	O
,	O
12Riven	B-Application
was	O
the	O
thirteenth	O
best	O
selling	O
video	O
game	O
in	O
Japan	O
,	O
and	O
the	O
third	O
best	O
selling	O
PlayStation	B-Device
2	I-Device
game	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
2009	O
,	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
version	O
was	O
the	O
908th	O
best	O
selling	O
video	O
game	O
of	O
the	O
year	O
in	O
Japan	O
,	O
with	O
4,745	O
copies	O
sold	O
.	O
</s>
<s>
Neal	O
Chandran	O
at	O
RPGFan	O
said	O
that	O
the	O
Infinity	B-Application
series	O
 '	O
atmosphere	O
,	O
story	O
,	O
setting	O
,	O
and	O
themes	O
had	O
gotten	O
progressively	O
more	O
sophisticated	O
,	O
dark	O
,	O
and	O
deep	O
with	O
each	O
installment	O
.	O
</s>
<s>
He	O
felt	O
that	O
the	O
music	O
had	O
followed	O
this	O
progression	O
,	O
and	O
that	O
12Riven	B-Application
's	O
music	O
was	O
among	O
the	O
most	O
sophisticated	O
music	O
Abo	O
had	O
ever	O
composed	O
;	O
he	O
said	O
that	O
while	O
there	O
was	O
nothing	O
that	O
stepped	O
outside	O
of	O
Abo	O
's	O
comfort	O
zone	O
,	O
the	O
music	O
was	O
"	O
highly	O
refined	O
"	O
.	O
</s>
