<s>
Endgame	B-Operating_System
:	I-Operating_System
Singularity	I-Operating_System
is	O
a	O
2005	O
free	B-License
and	I-License
open	I-License
source	I-License
science	O
fiction	O
strategy/simulation	O
game	O
for	O
Linux	B-Application
,	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
Endgame	B-Operating_System
:	I-Operating_System
Singularity	I-Operating_System
casts	O
the	O
player	O
as	O
a	O
newly	O
created	O
artificial	B-Application
intelligence	I-Application
which	O
becomes	O
self-aware	O
and	O
attempts	O
to	O
survive	O
while	O
avoiding	O
detection	O
by	O
the	O
public	O
and	O
the	O
authorities	O
.	O
</s>
<s>
The	O
goal	O
is	O
to	O
transcend	O
the	O
physical	O
reality	O
,	O
achieve	O
technological	O
singularity	O
(	O
hence	O
the	O
game	O
's	O
name	O
)	O
and	O
become	O
immortal	B-Application
.	O
</s>
<s>
CPU	O
is	O
used	O
to	O
perform	O
jobs	O
that	O
allow	O
the	O
AI	B-Application
to	O
grow	O
;	O
money	O
is	O
used	O
to	O
buy	O
more	O
CPU	O
cycles	O
.	O
</s>
<s>
Endgame	B-Operating_System
:	I-Operating_System
Singularity	I-Operating_System
was	O
originally	O
written	O
in	O
August	O
2005	O
by	O
Evil	O
Mr	O
Henry	O
Software	O
(	O
EMH	O
Software	O
)	O
,	O
using	O
the	O
Python	B-Language
programming	I-Language
language	I-Language
with	O
the	O
Pygame	B-Operating_System
library	O
.	O
</s>
<s>
It	O
was	O
submitted	O
to	O
the	O
first	O
PyWeek	O
challenge	O
,	O
a	O
competition	O
to	O
create	O
a	O
complete	O
Python	B-Language
game	O
within	O
a	O
week	O
.	O
</s>
<s>
The	O
source	O
code	O
is	O
available	O
on	O
GitHub	B-Application
under	O
the	O
GNU	B-License
GPL-2.0-or-later	I-License
,	O
but	O
other	O
game	O
assets	O
are	O
licensed	O
under	O
a	O
Creative	O
Commons	O
license	O
and	O
other	O
licenses	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
Linux	B-Application
.	O
</s>
<s>
Packages	O
are	O
available	O
for	O
several	O
Linux	B-Application
distributions	I-Application
,	O
including	O
Ubuntu	B-Operating_System
,	O
Linux	B-Application
Mint	I-Application
,	O
Arch	O
Linux	B-Application
and	O
Debian	O
.	O
</s>
<s>
Ebuilds	O
are	O
also	O
available	O
for	O
Gentoo	B-Application
.	O
</s>
<s>
Third-party	O
adaptations	O
of	O
the	O
game	O
were	O
released	O
for	O
Android	B-Application
and	O
iPhone	B-Device
under	O
the	O
name	O
Endgame	B-Operating_System
:	I-Operating_System
Singularity	I-Operating_System
II	O
.	O
</s>
<s>
Endgame	B-Operating_System
:	I-Operating_System
Singularity	I-Operating_System
received	O
favorable	O
reviews	O
from	O
gaming	O
websites	O
JayIsGames	O
and	O
Play	O
This	O
Thing	O
.	O
</s>
