<s>
Castle	B-Application
of	I-Application
Terror	I-Application
is	O
an	O
interactive	O
fiction	O
game	O
with	O
graphics	O
released	O
for	O
the	O
Commodore	O
64	O
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
by	O
Melbourne	O
House	O
in	O
1984	B-Application
.	O
</s>
<s>
The	O
player	O
is	O
given	O
a	O
quest	O
by	O
an	O
old	O
man	O
at	O
the	O
local	O
tavern	O
to	O
rescue	O
his	O
daughter	O
from	O
the	O
clutches	O
of	O
the	O
local	O
Count	O
(	O
a	O
vampire	B-Application
)	O
,	O
who	O
resides	O
in	O
the	O
nearby	O
castle	O
.	O
</s>
<s>
The	O
text	O
based	O
interface	O
,	O
coupled	O
with	O
a	O
visual	O
display	O
of	O
the	O
player	O
's	O
location	O
,	O
is	O
similar	O
in	O
style	O
to	O
the	O
Commodore	O
64	O
version	O
of	O
The	B-Application
Hobbit	I-Application
.	O
</s>
