<s>
The	B-Application
Heroes	I-Application
of	I-Application
Karn	I-Application
is	O
a	O
1983	O
adventure	O
game	O
written	O
by	O
Ian	O
Gray	O
.	O
</s>
<s>
It	O
was	O
released	O
by	O
Interceptor	O
Micros	O
for	O
the	O
Commodore	O
64	O
,	O
Amstrad	B-Device
CPC	I-Device
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
<s>
A	O
sequel	O
,	O
The	B-Application
Empire	I-Application
of	I-Application
Karn	I-Application
,	O
was	O
released	O
in	O
1985	O
on	O
the	O
Commodore	O
64	O
.	O
</s>
<s>
The	O
game	O
's	O
parser	B-Language
accepts	O
relatively	O
complex	O
sentences	O
for	O
the	O
time	O
(	O
e.g.	O
</s>
<s>
The	O
Spectrum	O
and	O
Amstrad	B-Device
CPC	I-Device
versions	O
were	O
by	O
a	O
different	O
artist	O
(	O
Terry	O
Greer	O
)	O
and	O
quicker	O
to	O
draw	O
.	O
</s>
