<s>
The	B-Application
Staff	I-Application
of	I-Application
Karnath	I-Application
is	O
an	O
action-adventure	O
video	O
game	O
developed	O
and	O
published	O
by	O
Ultimate	O
Play	O
the	O
Game	O
for	O
the	O
Commodore	O
64	O
originally	O
in	O
1984	O
and	O
in	O
the	O
United	O
States	O
in	O
1985	O
.	O
</s>
<s>
It	O
was	O
followed	O
by	O
a	O
sequel	O
,	O
Entombed	B-Application
,	O
which	O
was	O
released	O
in	O
1985	O
.	O
</s>
<s>
The	O
game	O
is	O
presented	O
in	O
an	O
oblique	O
,	O
isometric	B-Application
format	O
and	O
is	O
set	O
inside	O
a	O
haunted	O
castle	O
.	O
</s>
<s>
Once	O
all	O
pentacles	O
have	O
been	O
placed	O
in	O
their	O
chambers	O
,	O
the	O
player	O
can	O
establish	O
the	O
whereabouts	O
of	O
the	B-Application
Staff	I-Application
of	I-Application
Karnath	I-Application
,	O
which	O
must	O
be	O
destroyed	O
before	O
midnight	O
.	O
</s>
<s>
If	O
the	O
player	O
completely	O
runs	O
out	O
of	O
energy	O
or	O
fails	O
to	O
destroy	O
the	B-Application
Staff	I-Application
of	I-Application
Karnath	I-Application
before	O
midnight	O
,	O
the	O
game	O
will	O
end	O
.	O
</s>
<s>
They	O
began	O
producing	O
multiple	O
video	O
games	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
throughout	O
the	O
early	O
1980s	O
.	O
</s>
<s>
The	O
Pendragon	O
series	O
and	O
The	B-Application
Staff	I-Application
of	I-Application
Karnath	I-Application
were	O
created	O
by	O
brothers	O
Dave	O
and	O
Robert	O
"	O
Bob	O
"	O
Thomas	O
,	O
rather	O
than	O
Ultimate	O
founders	O
Tim	O
and	O
Chris	O
Stamper	O
.	O
</s>
<s>
Shortly	O
after	O
quitting	O
Calisto	O
Software	O
,	O
Dave	O
Thomas	O
started	O
work	O
on	O
The	B-Application
Staff	I-Application
of	I-Application
Karnath	I-Application
.	O
</s>
<s>
According	O
to	O
Dave	O
Thomas	O
,	O
the	O
visuals	O
and	O
setting	O
of	O
the	O
castle	O
in	O
The	B-Application
Staff	I-Application
of	I-Application
Karnath	I-Application
were	O
inspired	O
by	O
the	O
1962	O
film	O
Jack	O
the	O
Giant	O
Killer	O
.	O
</s>
<s>
The	B-Application
Staff	I-Application
of	I-Application
Karnath	I-Application
sold	O
40,000	O
units	O
upon	O
initial	O
release	O
,	O
and	O
work	O
on	O
the	O
sequel	O
,	O
Entombed	B-Application
,	O
began	O
"	O
almost	O
immediately	O
"	O
according	O
to	O
Dave	O
Thomas	O
.	O
</s>
<s>
The	B-Application
Staff	I-Application
of	I-Application
Karnath	I-Application
was	O
declared	O
as	O
the	O
seventh	O
best	O
Commodore	O
64	O
game	O
in	O
the	O
first	O
issue	O
of	O
Zzap	O
!	O
64	O
in	O
May	O
1985	O
.	O
</s>
