<s>
Chain	B-Application
World	I-Application
is	O
a	O
video	O
game	O
designed	O
by	O
Jason	O
Rohrer	O
,	O
and	O
built	O
on	O
the	O
game	O
Minecraft	B-Application
.	O
</s>
<s>
Chain	B-Application
World	I-Application
won	O
the	O
2011	O
Game	O
Design	O
Challenge	O
.	O
</s>
<s>
The	O
game	O
was	O
designed	O
to	O
be	O
played	O
by	O
only	O
one	O
player	O
at	O
a	O
time	O
who	O
would	O
alter	O
the	O
game	B-Application
world	I-Application
.	O
</s>
<s>
Jia	O
Ji	O
created	O
controversy	O
by	O
selling	O
the	O
game	O
on	O
eBay	B-Application
for	O
charity	O
,	O
and	O
imposing	O
his	O
own	O
set	O
of	O
rules	O
about	O
who	O
could	O
play	O
Chain	B-Application
World	I-Application
after	O
the	O
auction	O
winner	O
.	O
</s>
<s>
The	O
game	O
was	O
originally	O
created	O
using	O
Minecraft	B-Application
Beta	O
1.8	O
version	O
,	O
using	O
Chain	B-Application
World	I-Application
as	O
the	O
seed	O
.	O
</s>
