<s>
Radical	B-Application
Castle	I-Application
is	O
a	O
point-and-click	O
adventure	O
game	O
released	O
for	O
Macintosh	B-Device
in	O
1986	O
and	O
distributed	O
as	O
shareware	B-License
.	O
</s>
<s>
At	O
one	O
point	O
of	O
the	O
game	O
an	O
area	O
identical	O
to	O
the	O
opening	O
screen	O
of	O
Enchanted	B-Application
Scepters	I-Application
is	O
shown	O
;	O
if	O
the	O
player	O
chooses	O
to	O
go	O
in	O
the	O
direction	O
one	O
would	O
go	O
in	O
Enchanted	B-Application
Scepters	I-Application
a	O
prompt	O
is	O
given	O
encouraging	O
the	O
player	O
to	O
purchase	O
Enchanted	B-Application
Scepters	I-Application
from	O
Silicon	O
Beach	O
Software	O
.	O
</s>
<s>
At	O
the	O
height	O
of	O
its	O
popularity	O
the	O
game	O
made	O
the	O
top	O
100	O
downloads	O
on	O
GEnie	B-Language
.	O
</s>
<s>
It	O
can	O
be	O
played	O
on	O
a	O
modern	O
computer	O
using	O
Mini	B-Application
vMac	I-Application
.	O
</s>
