<s>
Mad	B-Application
Planets	I-Application
is	O
a	O
multidirectional	O
shooter	O
released	O
in	O
arcades	O
in	O
1983	B-Application
by	O
Gottlieb	O
.	O
</s>
<s>
Lee	O
and	O
Thiel	O
previously	O
worked	O
on	O
Q*bert	B-Application
for	O
Gottlieb	O
,	O
a	O
game	O
that	O
was	O
inspired	O
by	O
a	O
pattern	O
of	O
hexagons	B-Application
implemented	O
by	O
Yabumoto	O
.	O
</s>
<s>
Writing	O
for	O
Creative	O
Computing	O
Video	O
&	O
Arcade	B-Application
Games	O
,	O
Steve	O
Arrants	O
chose	O
Mad	B-Application
Planets	I-Application
as	O
one	O
of	O
the	O
top	O
ten	O
games	O
of	O
the	O
1983	B-Application
American	O
Amusement	O
Operators	O
Expo	O
.	O
</s>
<s>
He	O
praised	O
the	O
"	O
beautiful	O
graphics	O
"	O
,	O
"	O
extremely	O
responsive	O
"	O
controls	O
,	O
and	O
concluded	O
"	O
I	O
would	O
rank	O
Mad	B-Application
Planets	I-Application
right	O
up	O
there	O
with	O
other	O
high-tension	O
favorites	O
such	O
as	O
Robotron	B-Application
and	O
Tempest.	O
"	O
</s>
<s>
In	O
a	O
1983	B-Application
review	O
for	O
Video	O
Games	O
,	O
John	O
Holmstrom	O
wrote	O
:	O
"	O
it	O
's	O
the	O
frenetic	O
game	O
play	O
and	O
rock-oriented	O
soundtrack	O
that	O
make	O
Mad	B-Application
Planets	I-Application
worth	O
playing.	O
"	O
</s>
<s>
Programmer	O
Simon	O
Nicol	O
wrote	O
two	O
clones	O
for	O
the	O
Commodore	O
64	O
,	O
both	O
published	O
by	O
Martech	O
:	O
Crazy	B-Device
Comets	I-Device
and	O
its	O
sequel	O
Mega	B-Application
Apocalypse	I-Application
.	O
</s>
