<s>
Alkemstone	B-Application
is	O
a	O
puzzle	O
video	O
game	O
published	O
by	O
Level-10	O
(	O
a	O
division	O
of	O
Dakin	O
5	O
)	O
for	O
the	O
Apple	B-Device
II	I-Device
in	O
1981	O
.	O
</s>
<s>
It	O
is	O
a	O
puzzle	O
in	O
a	O
dungeon	O
which	O
the	O
character	O
explores	O
to	O
determine	O
the	O
location	O
of	O
the	O
Alkemstone	B-Application
.	O
</s>
<s>
The	O
Alkemstone	B-Application
was	O
hidden	O
in	O
the	O
real	O
world	O
and	O
the	O
publisher	O
offered	O
a	O
$5000	O
reward	O
for	O
the	O
first	O
person	O
to	O
decipher	O
its	O
location	O
.	O
</s>
<s>
It	O
was	O
likely	O
inspired	O
by	O
the	O
popularity	O
of	O
the	O
Masquerade	O
armchair	O
treasure	O
hunt	O
published	O
in	O
1979	O
and	O
still	O
unsolved	O
at	O
the	O
time	O
of	O
Alkemstone	B-Application
's	O
release	O
.	O
</s>
<s>
The	O
prize	O
was	O
never	O
awarded	O
and	O
it	O
is	O
unknown	O
if	O
anyone	O
solved	O
the	O
clues	O
or	O
recovered	O
the	O
Alkemstone	B-Application
from	O
the	O
location	O
it	O
was	O
hidden	O
.	O
</s>
<s>
Forrest	O
Johnson	O
reviewed	O
Alkemstone	B-Application
in	O
The	O
Space	O
Gamer	O
No	O
.	O
</s>
