<s>
Nine	B-Device
Princes	I-Device
in	I-Device
Amber	I-Device
is	O
an	O
interactive	O
fiction	O
video	O
game	O
with	O
graphics	O
.	O
</s>
<s>
The	O
game	O
is	O
based	O
upon	O
the	O
fantasy	B-Application
novels	O
Nine	B-Device
Princes	I-Device
in	I-Device
Amber	I-Device
and	O
The	O
Guns	O
of	O
Avalon	O
by	O
Roger	O
Zelazny	O
.	O
</s>
<s>
Words	O
and	O
sentences	O
are	O
entered	O
in	O
a	O
text	B-Application
parser	I-Application
.	O
</s>
<s>
The	O
plot	O
takes	O
place	O
in	O
a	O
fictional	O
fantasy	B-Application
world	O
.	O
</s>
<s>
It	O
was	O
implemented	O
for	O
the	O
Commodore	O
64	O
,	O
DOS	B-Device
,	O
Atari	B-Device
ST	I-Device
,	O
MSX2	B-Operating_System
and	O
Apple	B-Device
II	I-Device
.	O
</s>
<s>
The	O
MSX2	B-Operating_System
version	O
is	O
a	O
translation	O
into	O
Spanish	O
(	O
"	O
Nueve	O
Principes	O
en	O
Amber	O
"	O
)	O
with	O
new	O
illustrations	O
.	O
</s>
<s>
The	O
game	O
is	O
based	O
upon	O
the	O
fantasy	B-Application
novels	O
Nine	B-Device
Princes	I-Device
in	I-Device
Amber	I-Device
(	O
Doubleday	O
1970	O
)	O
and	O
The	O
Guns	O
of	O
Avalon	O
(	O
Doubleday	O
1972	O
)	O
by	O
Roger	O
Zelazny	O
.	O
</s>
<s>
In	O
1986	O
a	O
German	O
reviewer	O
called	O
Nine	B-Device
Princes	I-Device
in	I-Device
Amber	I-Device
a	O
precious	O
adventure	O
(	O
"	O
Edel-Adventure	O
"	O
)	O
.	O
</s>
<s>
He	O
praised	O
the	O
intelligent	O
writing	O
,	O
the	O
suspenseful	O
storyline	O
and	O
the	O
text	B-Application
parser	I-Application
.	O
</s>
<s>
In	O
2006	O
a	O
study	O
about	O
the	O
history	O
of	O
interactive	O
fiction	O
maintained	O
,	O
that	O
on	O
the	O
one	O
hand	O
Nine	B-Device
Princes	I-Device
in	I-Device
Amber	I-Device
"	O
is	O
not	O
a	O
bad	O
game	O
–	O
in	O
fact	O
,	O
it	O
is	O
one	O
of	O
Telarium	O
’s	O
best	O
,	O
and	O
working	O
out	O
the	O
conversational	O
'	O
puzzles	O
 '	O
can	O
actually	O
be	O
oddly	O
satisfying	O
at	O
times	O
"	O
.	O
</s>
<s>
The	O
magazine	O
criticized	O
the	O
port	O
from	O
8-bit	O
computers	O
not	O
fully	O
using	O
the	O
Atari	B-Device
ST	I-Device
's	O
more	O
powerful	O
graphics	O
and	O
sound	O
,	O
and	O
"	O
substandard	O
"	O
text	B-Application
parser	I-Application
.	O
</s>
<s>
It	O
's	O
simply	O
not	O
interesting	O
or	O
well-executed	O
enough	O
to	O
be	O
recommended	O
"	O
,	O
suggesting	O
that	O
readers	O
buy	O
The	B-Application
Pawn	I-Application
instead	O
.	O
</s>
