<s>
Zork	B-Application
Zero	I-Application
:	O
The	O
Revenge	O
of	O
Megaboz	O
is	O
an	O
interactive	O
fiction	O
computer	O
game	O
,	O
written	O
by	O
Steve	O
Meretzky	O
over	O
nearly	O
18	O
months	O
and	O
published	O
by	O
Infocom	O
in	O
1988	O
.	O
</s>
<s>
Although	O
it	O
is	O
the	O
ninth	O
and	O
last	O
Zork	B-Application
game	O
released	O
by	O
Infocom	O
before	O
the	O
company	O
's	O
closure	O
,	O
Zork	B-Application
Zero	I-Application
takes	O
place	O
before	O
the	O
previous	O
eight	O
games	O
(	O
Zork	B-Application
I	I-Application
,	O
Zork	B-Application
II	I-Application
,	O
Zork	B-Application
III	I-Application
,	O
Enchanter	B-Application
,	O
Sorcerer	B-Application
,	O
Wishbringer	B-Application
,	O
Spellbreaker	B-Application
and	O
Beyond	B-Device
Zork	I-Device
)	O
.	O
</s>
<s>
Unlike	O
its	O
predecessors	O
,	O
Zork	B-Application
Zero	I-Application
is	O
a	O
vast	O
game	O
,	O
featuring	O
a	O
graphical	B-Application
interface	I-Application
with	O
scene-based	O
colors	O
and	O
borders	O
,	O
an	O
interactive	O
map	O
,	O
menus	O
,	O
an	O
in-game	O
hints	O
system	O
,	O
an	O
interactive	O
Encyclopedia	B-Application
Frobozzica	I-Application
,	O
and	O
playable	O
graphical	O
mini-games	O
.	O
</s>
<s>
Previous	O
games	O
by	O
Infocom	O
used	O
a	O
parser	O
evolved	O
from	O
the	O
one	O
in	O
Zork	B-Application
I	I-Application
,	O
but	O
for	O
Zork	B-Application
Zero	I-Application
,	O
they	O
designed	O
a	O
new	O
LALR	B-Application
parser	I-Application
from	O
scratch	O
.	O
</s>
<s>
Peggleboz	O
is	O
a	O
version	O
of	O
peg	O
solitaire	O
,	O
Snarfem	O
is	O
Nim	B-Application
,	O
and	O
the	O
Tower	O
of	O
Bozbar	O
is	O
Towers	B-Language
of	I-Language
Hanoi	I-Language
.	O
</s>
<s>
Predictably	O
,	O
this	O
results	O
in	O
an	O
avalanche	O
of	O
crackpot	O
treasure	O
seekers	O
,	O
none	O
of	O
whom	O
have	O
any	O
more	O
luck	O
than	O
did	O
the	O
royal	O
sorcerers	B-Application
.	O
</s>
<s>
If	O
you	O
leave	O
the	O
castle	O
and	O
pass	O
the	O
perimeter	O
wall	O
,	O
you	O
arrive	O
at	O
the	O
opening	O
scene	O
of	O
Zork	B-Application
1	I-Application
.	O
</s>
<s>
Like	O
most	O
other	O
Infocom	O
games	O
,	O
Zork	B-Application
Zero	I-Application
comes	O
with	O
feelies	O
:	O
a	O
printed	O
calendar	O
titled	O
"	O
The	O
Flathead	O
Calendar	O
883	O
"	O
with	O
portraits	O
and	O
biographies	O
of	O
the	B-Application
Twelve	I-Application
Flatheads	I-Application
(	O
also	O
usable	O
as	O
a	O
1989	O
calendar	O
,	O
folded	O
blueprints	O
with	O
a	O
yellow	O
Post-it	O
note	O
attached	O
,	O
and	O
a	O
scrap	O
of	O
parchment	O
.	O
</s>
<s>
Since	O
completing	O
the	O
game	O
requires	O
information	O
revealed	O
only	O
in	O
these	O
feelies	O
,	O
they	O
serve	O
to	O
discourage	O
unauthorized	B-Application
copying	I-Application
.	O
</s>
<s>
Double	O
Fanucci	O
is	O
a	O
fictional	O
card	O
game	O
mentioned	O
throughout	O
the	O
Zork	B-Application
series	O
.	O
</s>
<s>
As	O
the	O
in-game	O
Encyclopedia	B-Application
Frobozzica	I-Application
describes	O
it	O
,	O
</s>
<s>
As	O
played	O
in	O
Zork	B-Application
Zero	I-Application
,	O
cards	O
appear	O
in	O
15	O
numbered	O
suits	O
(	O
Books	O
,	O
Bugs	O
,	O
Ears	O
,	O
Faces	O
,	O
Fromps	O
,	O
Hives	O
,	O
Inkblots	O
,	O
Lamps	O
,	O
Mazes	O
,	O
Plungers	O
,	O
Rain	O
,	O
Scythes	O
,	O
Time	O
,	O
Tops	O
and	O
Zurfs	O
)	O
with	O
ranks	O
from	O
0	O
(	O
called	O
"	O
Naught	O
"	O
)	O
,	O
1	O
(	O
"	O
Singled	O
"	O
)	O
,	O
2	O
(	O
"	O
Doubled	O
"	O
)	O
,	O
3	O
(	O
"	O
Trebled	O
"	O
)	O
,	O
up	O
to	O
9	O
,	O
and	O
infinity	O
(	O
"	O
Infinite	O
"	O
)	O
.	O
</s>
<s>
To	O
win	O
the	O
Double	O
Fanucci	O
mini-game	O
,	O
the	O
player	O
must	O
use	O
an	O
unbeatable	O
strategy	O
mentioned	O
only	O
in	O
the	O
calendar	O
feelie	O
's	O
biography	O
of	O
Babe	B-Application
Flathead	I-Application
.	O
</s>
<s>
Double	O
Fanucci	O
cards	O
were	O
featured	O
prominently	O
in	O
the	O
browser-based	O
game	O
Legends	B-Protocol
of	I-Protocol
Zork	I-Protocol
,	O
drawn	O
by	O
artist	O
Greg	O
Brown	O
and	O
colored	O
by	O
Jim	O
"	O
Zubby	O
"	O
Zubkavich	O
.	O
</s>
<s>
Dave	O
Arneson	O
gave	O
Zork	B-Application
Zero	I-Application
a	O
favorable	O
review	O
in	O
Computer	O
Gaming	O
World	O
,	O
calling	O
it	O
the	O
best	O
of	O
the	O
series	O
to	O
date	O
.	O
</s>
<s>
He	O
praised	O
the	O
in-game	O
map	O
and	O
help	O
system	O
,	O
and	O
later	O
described	O
the	O
game	O
as	O
superior	O
to	O
Infocom	O
's	O
James	B-Application
Clavell	I-Application
's	I-Application
Shōgun	I-Application
.	O
</s>
<s>
NotesZork	O
Zero	O
was	O
also	O
included	O
in	O
the	O
1991	O
collection	O
The	B-Device
Lost	I-Device
Treasures	I-Device
of	I-Device
Infocom	I-Device
,	O
and	O
in	O
the	O
1996	O
collection	O
Classic	B-Application
Text	I-Application
Adventure	I-Application
Masterpieces	I-Application
of	I-Application
Infocom	I-Application
,	O
released	O
by	O
Activision	O
under	O
the	O
Infocom	O
brand	O
.	O
</s>
<s>
The	O
jester	O
in	O
Zork	B-Application
Zero	I-Application
will	O
sometimes	O
say	O
So	O
long	O
,	O
and	O
thanks	O
for	O
all	O
the	O
fish	O
,	O
a	O
reference	O
to	O
The	O
Hitchhiker	O
's	O
Guide	O
to	O
the	O
Galaxy''	O
,	O
which	O
was	O
also	O
adapted	O
as	O
an	O
eponymous	B-Application
Infocom	I-Application
video	I-Application
game	I-Application
.	O
</s>
