<s>
Blocksworld	B-Application
was	O
a	O
physics-based	O
3D	O
sandbox	O
video	O
game	O
developed	O
by	O
BoldaiAB	O
and	O
Linden	O
Lab	O
released	O
originally	O
for	O
the	O
iPad	B-Device
on	O
21st	O
November	O
,	O
2012	O
in	O
Nordic	O
countries	O
and	O
later	O
worldwide	O
on	O
6	O
July	O
2013	O
.	O
</s>
<s>
It	O
was	O
later	O
released	O
for	O
the	O
iPhone	B-Device
on	O
2016	O
,	O
and	O
later	O
,	O
via	O
Steam	B-Application
on	O
September	O
25	O
,	O
2017	O
.	O
</s>
<s>
As	O
of	O
2020	O
,	O
Blocksworld	B-Application
is	O
absent	O
from	O
Linden	O
Lab	O
's	O
website	O
(	O
excluding	O
previous	O
press	O
releases	O
)	O
,	O
and	O
servers	O
were	O
fully	O
shut	O
down	O
on	O
June	O
17	O
,	O
2020	O
.	O
</s>
<s>
It	O
was	O
subsequently	O
removed	O
from	O
the	O
App	B-Application
Store	I-Application
afterwards	O
,	O
and	O
was	O
later	O
pulled	O
from	O
Steam	B-Application
on	O
July	O
2	O
,	O
2020	O
.	O
</s>
<s>
In	O
Blocksworld	B-Application
,	O
players	O
could	O
build	O
from	O
3D	O
building	O
blocks	O
that	O
could	O
be	O
combined	O
to	O
construct	O
simple	O
or	O
complex	O
creations	O
.	O
</s>
<s>
Blocksworld	B-Application
was	O
initially	O
developed	O
by	O
Swedish	O
independent	O
video	O
game	O
developer	O
Boldai	O
(	O
originally	O
named	O
Creative	O
Builder	O
)	O
which	O
was	O
acquired	O
by	O
US-based	O
Linden	O
Lab	O
in	O
early	O
2013	O
.	O
</s>
<s>
Blocksworld	B-Application
was	O
intended	O
to	O
be	O
released	O
worldwide	O
on	O
13	O
December	O
2012	O
for	O
US	O
$0.99	O
.	O
</s>
