<s>
Castlequest	B-Application
(	O
known	O
in	O
Japan	O
as	O
)	O
is	O
an	O
adventure/puzzle	O
video	O
game	O
.	O
</s>
<s>
It	O
was	O
developed	O
and	O
published	O
by	O
ASCII	O
Corporation	O
in	O
1985	O
for	O
the	O
FM-7	B-Device
,	O
PC-88	B-Device
,	O
and	O
Sharp	B-Device
X1	I-Device
.	O
</s>
<s>
Additional	O
versions	O
followed	O
in	O
1986	O
for	O
the	O
Famicom	O
and	O
MSX	B-Operating_System
,	O
and	O
was	O
subsequently	O
released	O
in	O
1989	O
for	O
the	O
NES	O
in	O
the	O
United	O
States	O
by	O
Nexoft	O
Corporation	O
(	O
the	O
American	O
division	O
of	O
ASCII	O
)	O
.	O
</s>
<s>
It	O
is	O
the	O
sequel	O
to	O
The	B-Application
Castle	I-Application
,	O
released	O
in	O
1985	O
for	O
the	O
MSX	B-Operating_System
,	O
SG-1000	B-Operating_System
,	O
and	O
other	O
systems	O
(	O
though	O
not	O
the	O
NES	O
)	O
.	O
</s>
<s>
The	O
player	O
can	O
navigate	O
the	B-Application
castle	I-Application
with	O
the	O
help	O
of	O
a	O
map	O
that	O
can	O
be	O
obtained	O
from	O
the	O
first	O
room	O
that	O
he/she	O
begins	O
.	O
</s>
<s>
Because	O
of	O
the	O
different	O
room	O
sizes	O
,	O
many	O
adjustments	O
to	O
the	O
room	O
layouts	O
were	O
made	O
in	O
comparison	O
to	O
the	O
MSX	B-Operating_System
version	O
.	O
</s>
<s>
In	O
the	O
Family	O
Computer	O
version	O
,	O
the	O
player	O
starts	O
with	O
4	O
lives	O
,	O
and	O
the	O
game	O
supports	O
the	O
Famicom	B-Device
Data	I-Device
Recorder	I-Device
and	O
ASCII	B-Device
Turbo	I-Device
File	I-Device
peripherals	O
for	O
saving	O
and	O
loading	O
game	O
progress	O
.	O
</s>
<s>
When	O
the	O
game	O
was	O
reworked	O
for	O
the	O
US	O
NES	O
release	O
,	O
the	O
save/load	O
feature	O
was	O
removed	O
(	O
the	O
NES	O
does	O
not	O
have	O
the	O
15-pin	O
expansion	O
port	O
which	O
the	O
Turbo	B-Device
File	I-Device
connects	O
to	O
)	O
.	O
</s>
<s>
Another	O
obvious	O
difference	O
between	O
the	O
MSX	B-Operating_System
and	O
NES/Family	O
Computer	O
versions	O
is	O
that	O
the	O
player	O
can	O
attack	O
enemies	O
with	O
his	O
sword	O
(	O
or	O
dagger	O
)	O
only	O
in	O
the	O
NES/Family	O
Computer	O
versions	O
.	O
</s>
<s>
This	O
scenario	O
,	O
however	O
,	O
is	O
not	O
relevant	O
to	O
the	O
MSX	B-Operating_System
version	O
,	O
since	O
the	O
only	O
way	O
to	O
eliminate	O
an	O
enemy	O
is	O
to	O
throw	O
an	O
object	O
on	O
it	O
,	O
or	O
to	O
force	O
the	O
enemy	O
to	O
climb	O
an	O
escalator	O
and	O
remain	O
there	O
until	O
it	O
is	O
crushed	O
to	O
the	O
ceiling	O
.	O
</s>
<s>
The	O
Famicom	O
version	O
of	O
Castlequest	B-Application
was	O
scored	O
a	O
27	O
out	O
of	O
40	O
by	O
Famicom	O
Tsūshin	O
.	O
</s>
<s>
Gary	O
Meredith	O
of	O
Game	B-Device
Players	I-Device
felt	O
that	O
despite	O
starting	O
with	O
50	O
lives	O
,	O
the	O
lack	O
of	O
a	O
save	O
feature	O
could	O
make	O
completing	O
the	O
NES	O
version	O
in	O
one	O
sitting	O
frustrating	O
and	O
difficult	O
.	O
</s>
<s>
"	O
Still	O
,	O
Castlequest	B-Application
is	O
a	O
fascinating	O
game	O
,	O
"	O
he	O
said	O
.	O
</s>
<s>
Nintendo	B-Application
Power	I-Application
stated	O
,	O
"	O
The	O
action	O
is	O
slow	O
,	O
but	O
the	O
challenge	O
in	O
logic	O
is	O
among	O
the	O
greatest	O
we	O
've	O
seen.	O
"	O
</s>
