<s>
Dark	B-Application
Side	I-Application
is	O
a	O
1988	O
video	O
game	O
published	O
by	O
Incentive	O
Software	O
for	O
the	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
,	O
Amstrad	B-Device
CPC	I-Device
,	O
Commodore	O
64	O
,	O
IBM	B-Device
PC	I-Device
compatibles	O
,	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
and	O
Sharp	B-Operating_System
MZ-800	I-Operating_System
.	O
</s>
<s>
The	O
game	O
is	O
a	O
sequel	O
to	O
Driller	B-Application
,	O
set	O
in	O
the	O
Evath	O
system	O
but	O
this	O
time	O
on	O
Evath	O
's	O
second	O
moon	O
Tricuspid	O
.	O
</s>
<s>
Terrorists	O
(	O
the	O
Ketars	O
,	O
the	O
villains	O
of	O
the	O
previous	O
game	O
Driller	B-Application
)	O
hijacked	O
the	O
moon	O
's	O
facilities	O
and	O
built	O
Zephyr	O
One	O
,	O
an	O
immense	O
beam	O
weapon	O
on	O
the	O
moon	O
's	O
dark	B-Application
side	I-Application
with	O
the	O
purpose	O
of	O
destroying	O
Evath	O
.	O
</s>
<s>
Dark	B-Application
Side	I-Application
was	O
the	O
second	O
game	O
to	O
use	O
the	O
Freescape	B-Application
engine	I-Application
,	O
which	O
allowed	O
the	O
production	O
of	O
full	O
three-dimensional	O
environments	O
using	O
filled	O
polygons	O
in	O
which	O
the	O
player	O
could	O
move	O
around	O
freely	O
.	O
</s>
<s>
The	O
same	O
engine	O
was	O
used	O
for	O
Total	B-Application
Eclipse	I-Application
,	O
The	O
Sphinx	O
Jinx	O
,	O
Castle	B-Application
Master	I-Application
and	O
Castle	B-Application
Master	I-Application
II	O
:	O
The	O
Crypt	O
.	O
</s>
<s>
The	O
ZX	B-Operating_System
Spectrum	I-Operating_System
version	O
of	O
Dark	B-Application
Side	I-Application
was	O
awarded	O
9/10	O
by	O
Sinclair	O
User	O
.	O
</s>
