<s>
Bubble	B-Language
Ball	I-Language
is	O
a	O
physics	O
puzzle	O
game	O
created	O
by	O
American	O
developer	O
Robert	O
Nay	O
when	O
he	O
was	O
14	O
years	O
old	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
December	O
22	O
,	O
2010	O
and	O
in	O
its	O
first	O
two	O
weeks	O
was	O
downloaded	O
2	O
million	O
times	O
from	O
Apple	B-Operating_System
iTunes	I-Operating_System
.	O
</s>
<s>
On	O
January	O
8	O
,	O
2011	O
,	O
Corona	B-Operating_System
Labs	O
(	O
formerly	O
Ansca	O
Mobile	O
)	O
,	O
the	O
company	O
which	O
makes	O
the	O
software	O
development	O
kit	O
that	O
Nay	O
used	O
,	O
chose	O
Bubble	B-Language
Ball	I-Language
as	O
its	O
app	O
of	O
the	O
week	O
and	O
it	O
has	O
since	O
surpassed	O
16	O
million	O
downloads	O
,	O
and	O
at	O
one	O
point	O
displaced	O
Angry	B-Application
Birds	I-Application
from	O
its	O
number	O
one	O
spot	O
on	O
the	O
list	O
of	O
free	O
games	O
in	O
Apple	O
app	O
store	O
.	O
</s>
<s>
Bubble	B-Language
Ball	I-Language
is	O
a	O
156-level	O
puzzle	O
game	O
with	O
puzzles	O
ranging	O
from	O
very	O
simple	O
to	O
really	O
challenging	O
.	O
</s>
<s>
As	O
of	O
January	O
19	O
,	O
2011	O
,	O
Bubble	B-Language
Ball	I-Language
had	O
been	O
downloaded	O
more	O
than	O
two	O
million	O
times	O
.	O
</s>
<s>
Current	O
versions	O
of	O
the	O
application	O
can	O
be	O
downloaded	O
from	O
the	O
Apple	O
App	O
Store	O
and	O
Google	B-Application
Play	I-Application
for	O
free	O
.	O
</s>
<s>
Bubble	B-Language
Ball	I-Language
is	O
a	O
puzzle	O
and	O
game	O
of	O
strategy	O
involving	O
the	O
principles	O
of	O
physics	O
that	O
determine	O
the	O
trajectory	O
of	O
a	O
bubble-like	O
ball	O
around	O
the	O
screen	O
.	O
</s>
<s>
According	O
to	O
All	O
Things	O
Digital	O
,	O
the	O
Wall	O
Street	O
Journal	O
blog	O
network	O
,	O
Robert	O
Nay	O
,	O
14-year-old	O
from	O
Utah	O
,	O
developed	O
the	O
game	O
with	O
his	O
mother	O
,	O
using	O
a	O
software	O
development	O
kit	O
called	O
Corona	B-Operating_System
SDK	I-Operating_System
from	O
Corona	B-Operating_System
Labs	O
Inc	O
.	O
(	O
formerly	O
Ansca	O
Mobile	O
)	O
.	O
</s>
<s>
Nay	O
’s	O
mother	O
helped	O
Robert	O
design	O
some	O
of	O
the	O
levels	O
and	O
submit	O
the	O
application	O
to	O
Apple	B-Operating_System
iTunes	I-Operating_System
.	O
</s>
<s>
It	O
took	O
him	O
about	O
a	O
month	O
to	O
author	O
4,000	O
lines	O
of	O
his	O
Bubble	B-Language
Ball	I-Language
game	O
that	O
crept	O
to	O
the	O
top	O
of	O
free	O
games	O
list	O
on	O
the	O
Apple	O
App	O
Store	O
.	O
</s>
<s>
In	O
February	O
2018	O
,	O
version	O
2.8	O
was	O
released	O
with	O
64-bit	O
support	O
,	O
making	O
it	O
compatible	O
with	O
iOS	B-Application
11	O
for	O
mobile	O
Apple	O
devices	O
.	O
</s>
