<s>
Crystals	B-Application
of	I-Application
Zong	I-Application
is	O
a	O
maze-chase	O
game	O
written	O
by	O
Sean	O
McKinnon	O
for	O
the	O
Commodore	O
64	O
and	O
published	O
by	O
Cymbal	O
Software	O
in	O
1983	O
.	O
</s>
<s>
The	O
player	O
's	O
task	O
is	O
to	O
navigate	O
the	O
maze-like	O
corridors	O
of	O
the	O
rooms	O
to	O
unlock	O
the	O
treasure	O
areas	O
and	O
get	O
the	O
treasure	O
.	O
</s>
<s>
Various	O
monsters	B-Application
inhabit	O
the	O
rooms	O
.	O
</s>
<s>
The	O
monsters	B-Application
start	O
out	O
slow	O
and	O
dim-witted	O
,	O
but	O
become	O
faster	O
and	O
smarter	O
on	O
later	O
levels	O
.	O
</s>
<s>
Contact	O
with	O
a	O
monster	B-Application
kills	O
the	O
player	O
instantly	O
.	O
</s>
<s>
In	O
each	O
room	O
,	O
there	O
is	O
a	O
sword	O
,	O
collecting	O
which	O
temporarily	O
gives	O
the	O
player	O
the	O
ability	O
to	O
kill	O
the	O
monsters	B-Application
.	O
</s>
<s>
After	O
some	O
time	O
,	O
the	O
monsters	B-Application
return	O
.	O
</s>
