<s>
Knightmare	B-Application
is	O
a	O
video	O
game	O
released	O
by	O
Activision	O
in	O
1987	O
for	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
Amstrad	B-Device
CPC	I-Device
,	O
Commodore	O
64	O
,	O
and	O
Atari	B-Device
ST	I-Device
.	O
</s>
<s>
It	O
was	O
written	O
by	O
Mev	O
Dinc	O
,	O
J.P.	O
Dean	O
,	O
E.M.	O
Dean	O
and	O
Nick	O
Cooke	O
,	O
and	O
is	O
based	O
on	O
the	O
Anglia	O
Television	O
show	O
Knightmare	B-Application
.	O
</s>
<s>
Four	O
years	O
later	O
,	O
Mindscape	O
released	O
entirely	O
different	O
game	O
based	O
on	O
the	O
show	O
,	O
also	O
called	O
Knightmare	B-Application
,	O
for	O
the	O
Atari	B-Device
ST	I-Device
and	O
Amiga	B-Device
.	O
</s>
<s>
The	O
player	O
is	O
trapped	O
in	O
a	O
dungeon	B-Application
and	O
must	O
attempt	O
to	O
escape	O
by	O
solving	O
various	O
puzzles	O
.	O
</s>
<s>
The	O
game	O
is	O
controlled	O
by	O
using	O
both	O
the	O
joystick	B-Device
and	O
keyboard	B-Device
.	O
</s>
<s>
Foes	O
include	O
spiders	B-Protocol
and	O
monsters	B-Application
.	O
</s>
<s>
Zzap	O
!	O
64	O
reviewed	O
the	O
Commodore	O
64	O
version	O
of	O
the	O
game	O
and	O
said	O
Knightmare	B-Application
is	O
a	O
pretty	O
tough	O
game	O
,	O
but	O
is	O
worth	O
playing	O
if	O
you	O
are	O
an	O
adventure	O
game	O
fan	O
.	O
</s>
<s>
Computer	O
and	O
Video	O
Games	O
magazine	O
said	O
that	O
the	O
gameplay	O
in	O
Knightmare	B-Application
is	O
much	O
simpler	O
than	O
the	O
concept	O
used	O
in	O
the	O
television	O
show	O
.	O
</s>
<s>
The	O
magazine	O
praised	O
the	O
puzzles	O
and	O
style	O
,	O
calling	O
Knightmare	B-Application
a	O
thoroughly	O
enjoyable	O
game	O
.	O
</s>
