<s>
Lightbot	B-Operating_System
is	O
an	O
educational	O
video	O
game	O
for	O
learning	O
software	B-General_Concept
programming	I-General_Concept
concepts	O
,	O
developed	O
by	O
Danny	O
Yaroslavski	O
.	O
</s>
<s>
Lightbot	B-Operating_System
has	O
been	O
played	O
7	O
million	O
times	O
,	O
and	O
is	O
highly	O
rated	O
on	O
iTunes	B-Operating_System
and	O
Google	B-Application
Play	I-Application
store	I-Application
.	O
</s>
<s>
Lightbot	B-Operating_System
is	O
available	O
as	O
an	O
online	O
Flash	B-Operating_System
game	O
,	O
and	O
an	O
application	O
for	O
Android	B-Application
and	O
iOS	B-Application
mobile	O
phones	O
.	O
</s>
<s>
Lightbot	B-Operating_System
has	O
been	O
built	O
with	O
Flash	B-Operating_System
and	O
OpenFL	B-Application
.	O
</s>
<s>
The	O
goal	O
of	O
Lightbot	B-Operating_System
is	O
to	O
command	O
a	O
little	O
robot	O
to	O
navigate	O
a	O
maze	O
and	O
turn	O
on	O
lights	O
.	O
</s>
