<s>
Hades	B-Device
Nebula	I-Device
is	O
a	O
1987	O
vertically	O
scrolling	O
shooter	O
for	O
the	O
Commodore	O
64	O
,	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
Atari	B-Device
ST	I-Device
by	O
Nexus	O
Information	O
Systems	O
.	O
</s>
<s>
Hades	B-Device
Nebula	I-Device
was	O
developed	O
by	O
Nexus	O
Information	O
Systems	O
.	O
</s>
<s>
Ben	O
Daglish	O
provided	O
the	O
music	O
for	O
the	O
Commodore	O
64	O
version	O
,	O
while	O
John	O
Brozovski	O
made	O
the	O
sound	O
effects	O
for	O
the	O
Atari	B-Device
ST	I-Device
.	O
</s>
<s>
A	O
review	O
of	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
version	O
in	O
Your	O
Sinclair	O
described	O
it	O
as	O
"	O
another	O
standard	O
shoot-em-up	O
"	O
,	O
giving	O
it	O
a	O
7	O
out	O
of	O
10	O
rating	O
.	O
</s>
