<s>
Mega	B-Application
Apocalypse	I-Application
is	O
a	O
multidirectional	O
shooter	O
written	O
by	O
Simon	O
Nicol	O
for	O
the	O
Commodore	O
64	O
and	O
ported	O
to	O
the	O
BBC	B-Device
Micro	I-Device
,	O
Amstrad	B-Device
CPC	I-Device
,	O
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
<s>
It	O
is	O
the	O
sequel	O
to	O
Crazy	B-Device
Comets	I-Device
.	O
</s>
<s>
Both	O
games	O
are	O
clones	O
of	O
Gottlieb	O
's	O
1983	O
arcade	O
game	O
Mad	B-Application
Planets	I-Application
.	O
</s>
