<s>
The	B-Operating_System
Basement	I-Operating_System
Collection	I-Operating_System
is	O
a	O
compilation	O
of	O
Edmund	O
McMillen	O
's	O
Flash	B-Operating_System
games	O
released	O
on	O
August	O
31	O
,	O
2012	O
.	O
</s>
<s>
Most	O
of	O
the	O
content	O
was	O
previously	O
published	O
at	O
Newgrounds	B-Operating_System
:	O
</s>
