<s>
The	O
game	O
was	O
one	O
of	O
the	O
OnLive	B-Application
's	O
UK	O
launch	O
titles	O
,	O
and	O
one	O
of	O
the	O
13	O
games	O
contained	O
in	O
the	B-Application
Potato	I-Application
Sack	I-Application
Bundle	O
,	O
which	O
was	O
a	O
part	O
of	O
the	B-Application
Potato	I-Application
Sack	I-Application
Alternate	O
Reality	O
Game	O
,	O
promoting	O
Portal	B-Application
2	I-Application
's	O
release	O
.	O
</s>
<s>
On	O
June	O
7	O
,	O
2016	O
,	O
a	O
spiritual	O
successor	O
,	O
The	B-Application
Solus	I-Application
Project	I-Application
was	O
released	O
on	O
PC	O
and	O
consoles	O
by	O
Teotl	O
and	O
Grip	O
Digital	O
.	O
</s>
<s>
To	O
develop	O
his	O
game	O
,	O
Sjoerd	O
De	O
Jong	O
had	O
used	O
several	O
sources	O
as	O
inspiration	O
:	O
Portal	B-Application
for	O
its	O
simple	O
and	O
effective	O
design	O
,	O
Unreal	B-Operating_System
Tournament	I-Operating_System
for	O
its	O
style	O
and	O
atmosphere	O
,	O
Tomb	B-Application
Raider	I-Application
for	O
the	O
mysterious	O
and	O
intriguing	O
atmosphere	O
that	O
emanates	O
from	O
the	O
individual	O
settings	O
and	O
,	O
on	O
the	O
whole	O
,	O
early	O
first-person	O
shooters	O
which	O
were	O
set	O
primarily	O
in	O
dark	O
dungeons	O
and	O
castles	O
.	O
</s>
<s>
Originally	O
developed	O
as	O
a	O
mod	O
for	O
Unreal	B-Application
Tournament	I-Application
III	I-Application
at	O
2008	O
,	O
it	O
was	O
ported	O
over	O
to	O
the	O
Unreal	B-Application
Development	I-Application
Kit	I-Application
to	O
enable	O
a	O
standalone	O
commercial	O
release	O
.	O
</s>
<s>
In	O
2013	O
,	O
the	O
game	O
was	O
ported	O
as	O
a	O
launch	O
title	O
for	O
the	O
Ouya	B-Application
console	O
.	O
</s>
