<s>
Knights	B-Application
of	I-Application
the	I-Application
Crystallion	I-Application
is	O
a	O
1990	B-Application
video	O
game	O
for	O
the	O
Amiga	B-Device
developed	O
by	O
Bill	O
Williams	O
and	O
published	O
by	O
U.S.	O
Gold	O
.	O
</s>
<s>
A	O
fantasy-themed	O
adventure	O
game	O
comprising	O
a	O
mix	O
of	O
sub-games	O
with	O
a	O
puzzle	O
element	O
,	O
the	O
game	O
makes	O
extensive	O
use	O
of	O
the	O
Amiga	B-Device
computer	I-Device
's	O
Hold-And-Modify	O
graphics	O
mode	O
.	O
</s>
<s>
Allen	O
Greenberg	O
reviewed	O
the	O
game	O
for	O
Computer	O
Gaming	O
World	O
,	O
and	O
stated	O
that	O
"	O
The	O
diverse	O
yet	O
interlocking	O
segments	O
of	O
Knights	B-Application
of	I-Application
the	I-Application
Crystallion	I-Application
have	O
been	O
well-balanced	O
and	O
orchestrated	O
so	O
that	O
the	O
result	O
is	O
enjoyable	O
.	O
</s>
<s>
Amiga	B-Device
Format	O
wrote	O
,	O
"	O
the	O
hypnotic	O
quality	O
will	O
keep	O
you	O
playing	O
for	O
hours	O
at	O
a	O
time	O
,	O
"	O
and	O
gave	O
an	O
overall	O
score	O
of	O
91%	O
.	O
</s>
<s>
In	O
2018	O
,	O
BoingBoing	O
called	O
Knights	B-Application
of	I-Application
the	I-Application
Crystallion	I-Application
"	O
the	O
wonderfully	O
weird	O
and	O
impenetrable	O
magnum	O
opus	O
of	O
legendary	O
game	O
designer	O
Bill	O
Williams	O
,	O
which	O
baffled	O
Amiga	B-Device
owners.	O
"	O
</s>
