<s>
kiki	B-Application
the	I-Application
nano	I-Application
bot	I-Application
is	O
an	O
open-source	B-License
puzzle	O
video	O
game	O
designed	O
by	O
Thorsten	O
Kohnhorst	O
and	O
first	O
released	O
in	O
2005	O
.	O
</s>
<s>
It	O
is	O
a	O
mixture	O
of	O
the	O
games	O
Sokoban	B-Device
and	O
Kula	B-Application
World	I-Application
.	O
</s>
<s>
It	O
is	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
The	O
game	O
was	O
downloaded	O
between	O
2003	O
and	O
May	O
2017	O
alone	O
from	O
SourceForge.net	B-Application
over	O
170,000	O
times	O
.	O
</s>
<s>
Freeware	O
game	O
website	O
Planet	O
Free	O
Play	O
called	O
in	O
2005	O
kiki	B-Application
the	I-Application
nanobot	I-Application
"	O
one	O
of	O
the	O
best	O
freeware	O
games	O
ever.	O
"	O
.	O
</s>
<s>
Inside	B-Application
Mac	I-Application
Games	I-Application
reviewed	O
the	O
game	O
favourably	O
,	O
recommending	O
to	O
give	O
it	O
a	O
try	O
"	O
If	O
you	O
're	O
in	O
the	O
mood	O
for	O
a	O
good	O
,	O
challenging	O
,	O
puzzle	O
game	O
.	O
</s>
