<s>
Maze	B-Application
,	O
also	O
known	O
as	O
Maze	B-Application
War	I-Application
,	O
is	O
a	O
3D	O
multiplayer	O
first-person	O
shooter	O
maze	B-Application
game	I-Application
originally	O
developed	O
in	O
1973	O
and	O
expanded	O
in	O
1974	O
.	O
</s>
<s>
The	O
first	O
version	O
was	O
developed	O
by	O
high	O
school	O
students	O
Steve	O
Colley	O
,	O
Greg	O
Thompson	O
,	O
and	O
Howard	O
Palmer	O
for	O
the	O
Imlac	B-Device
PDS-1	I-Device
minicomputer	B-Architecture
during	O
a	O
school	O
work/study	O
program	O
at	O
the	O
NASA	O
Ames	O
Research	O
Center	O
.	O
</s>
<s>
After	O
Thompson	O
began	O
school	O
at	O
the	O
Massachusetts	O
Institute	O
of	O
Technology	O
(	O
MIT	O
)	O
,	O
he	O
brought	O
the	O
game	O
to	O
the	O
school	O
's	O
computer	O
science	O
laboratory	O
in	O
February	O
1974	O
,	O
where	O
he	O
and	O
Dave	O
Lebling	O
expanded	O
it	O
into	O
an	O
eight-player	O
game	O
using	O
the	O
school	O
's	O
Digital	O
Equipment	O
Corporation	O
PDP-10	B-Device
minicomputer	B-Architecture
and	O
PDS-1	O
terminals	O
along	O
with	O
adding	O
scoring	O
,	O
top-down	O
map	O
views	O
,	O
and	O
a	O
level	O
editor	O
.	O
</s>
<s>
Thompson	O
and	O
other	O
programmers	O
later	O
developed	O
several	O
other	O
versions	O
of	O
Maze	B-Application
,	O
including	O
a	O
specialized	O
hardware-based	O
game	O
by	O
Thompson	O
and	O
other	O
students	O
as	O
well	O
as	O
a	O
version	O
titled	O
Mazewar	B-Application
by	O
Jim	O
Guyton	O
,	O
Mike	O
Wahrman	O
,	O
and	O
colleagues	O
at	O
Xerox	O
for	O
the	O
Xerox	B-Device
Alto	I-Device
computer	O
.	O
</s>
<s>
The	O
Xerox	O
version	O
went	O
on	O
to	O
inspire	O
many	O
different	O
takes	O
on	O
the	O
first-person	O
maze	B-Application
game	I-Application
concept	O
in	O
the	O
1980s	O
and	O
1990s	O
,	O
released	O
under	O
many	O
different	O
names	O
.	O
</s>
<s>
Maze	B-Application
is	O
believed	O
to	O
be	O
the	O
first	O
3D	O
first-person	O
game	O
ever	O
made	O
.	O
</s>
<s>
It	O
is	O
likely	O
also	O
the	O
earliest	O
example	O
of	O
what	O
was	O
later	O
termed	O
the	O
first-person	O
shooter	O
genre	O
and	O
is	O
considered	O
along	O
with	O
the	O
1974	O
space	O
flight	O
simulation	O
game	O
Spasim	B-Application
to	O
be	O
one	O
of	O
the	O
"	O
joint	O
ancestors	O
"	O
of	O
the	O
genre	O
.	O
</s>
<s>
It	O
has	O
additionally	O
been	O
credited	O
with	O
a	O
variety	O
of	O
other	O
firsts	O
,	O
such	O
as	O
the	O
first	O
level	O
editor	O
,	O
first	O
observer	O
mode	O
and	O
radar	O
,	O
and	O
first	O
avatars	B-Application
,	O
but	O
due	O
to	O
its	O
reliance	O
on	O
specific	O
,	O
expensive	O
computer	O
hardware	O
its	O
direct	O
influence	O
on	O
video	O
games	O
and	O
the	O
first-person	O
shooter	O
genre	O
was	O
limited	O
.	O
</s>
<s>
Maze	B-Application
is	O
a	O
multiplayer	O
first-person	O
shooter	O
maze	B-Application
game	I-Application
in	O
which	O
players	O
traverse	O
a	O
flat	O
maze	B-Application
and	O
shoot	O
opponents	O
to	O
score	O
points	O
.	O
</s>
<s>
The	O
maze	B-Application
layout	O
is	O
represented	O
by	O
a	O
grid	B-Application
of	I-Application
spaces	I-Application
that	O
are	O
either	O
empty	O
or	O
solid	O
and	O
form	O
a	O
flat	O
plane	O
containing	O
walls	O
of	O
equal	O
height	O
.	O
</s>
<s>
The	O
game	O
contains	O
a	O
default	O
maze	B-Application
layout	O
,	O
but	O
players	O
can	O
provide	O
their	O
own	O
upon	O
starting	O
the	O
game	O
.	O
</s>
<s>
Other	O
players	O
in	O
the	O
maze	B-Application
are	O
displayed	O
as	O
the	O
letters	O
of	O
their	O
usernames	O
along	O
with	O
an	O
indicator	O
of	O
which	O
direction	O
they	O
are	O
looking	O
;	O
later	O
versions	O
of	O
the	O
game	O
replaced	O
this	O
with	O
the	O
image	O
of	O
an	O
eyeball	O
.	O
</s>
<s>
The	O
players	O
 '	O
scores	O
are	O
displayed	O
next	O
to	O
the	O
view	O
of	O
the	O
maze	B-Application
.	O
</s>
<s>
Early	O
versions	O
of	O
the	O
game	O
let	O
the	O
player	O
overlay	O
the	O
screen	O
with	O
a	O
top-down	O
view	O
of	O
the	O
maze	B-Application
and	O
their	O
avatar	B-Application
's	O
position	O
in	O
it	O
,	O
while	O
later	O
versions	O
kept	O
the	O
top-down	O
view	O
next	O
to	O
or	O
below	O
the	O
viewscreen	O
at	O
all	O
times	O
.	O
</s>
<s>
The	O
trio	O
were	O
working	O
on	O
creating	O
graphical	O
representations	O
of	O
computational	O
fluid	O
dynamics	O
on	O
Imlac	B-Device
PDS-1	I-Device
minicomputers	B-Architecture
,	O
which	O
unlike	O
many	O
other	O
minicomputers	B-Architecture
at	O
the	O
time	O
included	O
a	O
vector	O
graphics	O
monitor	B-Device
.	O
</s>
<s>
Colley	O
was	O
developing	O
a	O
method	O
of	O
determining	O
which	O
vertices	O
of	O
a	O
three-dimensional	O
object	O
would	O
not	O
be	O
visible	O
to	O
a	O
viewer	O
and	O
then	O
not	B-Algorithm
drawing	I-Algorithm
them	I-Algorithm
on	O
the	O
screen	O
,	O
thereby	O
displaying	O
a	O
3D	O
model	O
that	O
looked	O
solid	O
rather	O
than	O
see-through	O
.	O
</s>
<s>
Palmer	O
suggested	O
creating	O
a	O
maze	B-Application
that	O
the	O
user	O
could	O
move	O
through	O
,	O
which	O
he	O
and	O
Colley	O
agreed	O
could	O
work	O
if	O
it	O
was	O
a	O
flat	O
maze	B-Application
composed	O
of	O
cubes	O
where	O
the	O
player	O
's	O
view	O
could	O
only	O
be	O
at	O
90	O
degree	O
angles	O
.	O
</s>
<s>
Colley	O
came	O
back	O
to	O
the	O
other	O
two	O
the	O
next	O
day	O
with	O
the	O
basic	O
Maze	B-Application
program	O
,	O
wherein	O
the	O
player	O
had	O
a	O
goal	O
of	O
traversing	O
the	O
maze	B-Application
to	O
its	O
exit	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
1973	O
,	O
all	O
three	O
developers	O
had	O
left	O
NASA	O
to	O
go	O
to	O
college	O
,	O
and	O
they	O
took	O
the	O
Maze	B-Application
program	O
with	O
them	O
.	O
</s>
<s>
The	O
game	O
has	O
been	O
inconsistently	O
named	O
both	O
Maze	B-Application
and	O
Maze	B-Application
War	I-Application
:	O
while	O
Thompson	O
and	O
Colley	O
,	O
writing	O
in	O
a	O
2004	O
retrospective	O
,	O
refer	O
to	O
it	O
as	O
Maze	B-Application
;	O
Palmer	O
refers	O
to	O
it	O
as	O
Maze	B-Application
War	I-Application
.	O
</s>
<s>
Later	O
versions	O
of	O
the	O
game	O
also	O
use	O
both	O
names	O
inconsistently	O
,	O
although	O
the	O
PDS-1	O
source	O
code	O
titles	O
itself	O
"	O
Maze	B-Application
"	O
.	O
</s>
<s>
At	O
MIT	O
,	O
Thompson	O
became	O
involved	O
in	O
computer	O
modeling	O
of	O
dynamic	O
systems	O
at	O
MIT	O
's	O
Project	O
MAC	O
(	O
now	O
the	O
MIT	O
Computer	O
Science	O
and	O
Artificial	O
Intelligence	O
Laboratory	O
)	O
,	O
which	O
featured	O
a	O
Digital	O
Equipment	O
Corporation	O
(	O
DEC	O
)	O
PDP-10	B-Device
minicomputer	B-Architecture
networked	O
to	O
eight	O
less-powerful	O
PDS-1s	O
for	O
use	O
as	O
graphical	O
terminals	O
.	O
</s>
<s>
Thompson	O
brought	O
paper	O
tapes	O
of	O
code	O
for	O
several	O
programs	O
from	O
NASA	O
Ames	O
to	O
MIT	O
in	O
February	O
1974	O
,	O
including	O
Maze	B-Application
.	O
</s>
<s>
The	O
new	O
version	O
of	O
the	O
game	O
used	O
the	O
PDP-10	B-Device
as	O
a	O
centralized	O
server	O
and	O
supported	O
up	O
to	O
eight	O
players	O
or	O
computer-controlled	O
figures	O
in	O
a	O
maze	B-Application
at	O
once	O
,	O
which	O
was	O
now	O
a	O
16	O
by	O
32	O
grid	O
.	O
</s>
<s>
Thompson	O
worked	O
on	O
the	O
PDS-1	O
code	O
that	O
allowed	O
for	O
more	O
players	O
,	O
the	O
visuals	O
for	O
the	O
bullets	O
,	O
the	O
score-keeping	O
,	O
the	O
ability	O
to	O
see	O
a	O
top-down	O
view	O
of	O
the	O
maze	B-Application
,	O
and	O
a	O
cheat	O
command	O
to	O
move	O
through	O
walls	O
.	O
</s>
<s>
Lebling	O
,	O
meanwhile	O
,	O
wrote	O
the	O
PDP-10	B-Device
code	O
to	O
connect	O
all	O
of	O
the	O
players	O
and	O
allow	O
text	O
messaging	O
between	O
terminals	O
,	O
a	O
simple	O
"	O
robot	O
"	O
player	O
that	O
could	O
play	O
the	O
game	O
if	O
there	O
were	O
not	O
enough	O
human	O
players	O
,	O
and	O
a	O
program	O
for	O
players	O
to	O
create	O
their	O
own	O
maze	B-Application
layouts	O
.	O
</s>
<s>
Players	O
were	O
represented	O
in	O
the	O
maze	B-Application
as	O
their	O
three-letter	O
user	O
id	O
,	O
along	O
with	O
an	O
arrow	O
pointing	O
which	O
way	O
they	O
were	O
facing	O
.	O
</s>
<s>
The	O
game	O
was	O
popular	O
around	O
the	O
lab	O
as	O
well	O
as	O
with	O
other	O
MIT	O
students	O
,	O
who	O
would	O
make	O
accounts	O
on	O
the	O
system	O
just	O
to	O
play	O
Maze	B-Application
.	O
</s>
<s>
According	O
to	O
Lebling	O
,	O
Maze	B-Application
was	O
played	O
almost	O
constantly	O
outside	O
of	O
the	O
primary	O
lab	O
hours	O
.	O
</s>
<s>
Once	O
Thompson	O
and	O
Lebling	O
converted	O
the	O
game	O
to	O
the	O
PDP-10	B-Device
,	O
other	O
programmers	O
further	O
developed	O
the	O
Maze	B-Application
code	O
.	O
</s>
<s>
Ken	O
Harrenstien	O
and	O
Charles	O
Frankston	O
rewrote	O
portions	O
of	O
the	O
game	O
to	O
use	O
fewer	O
resources	O
so	O
that	O
the	O
PDP-10	B-Device
could	O
run	O
more	O
than	O
one	O
instance	O
of	O
the	O
game	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Another	O
researcher	O
,	O
Tak	O
To	O
,	O
wrote	O
a	O
"	O
Maze	B-Application
Watcher	O
"	O
program	O
that	O
ran	O
on	O
an	O
Evans	O
&	O
Sutherland	O
LDS-1	O
terminal	B-General_Concept
and	O
would	O
display	O
a	O
top-down	O
view	O
of	O
the	O
maze	B-Application
and	O
players	O
in	O
a	O
Maze	B-Application
game	I-Application
for	O
onlookers	O
.	O
</s>
<s>
At	O
Vezza	O
's	O
request	O
,	O
Lebling	O
created	O
a	O
"	O
Maze	B-Application
Guncher	O
"	O
program	O
that	O
would	O
run	O
in	O
the	O
background	O
and	O
crash	O
any	O
running	O
Maze	B-Application
games	I-Application
,	O
leading	O
to	O
a	O
continual	O
back	O
and	O
forth	O
as	O
players	O
found	O
ways	O
to	O
avoid	O
the	O
program	O
—	O
or	O
simply	O
turn	O
it	O
off	O
,	O
as	O
the	O
system	O
had	O
no	O
security	O
mechanism	O
to	O
prevent	O
it	O
.	O
</s>
<s>
Many	O
of	O
these	O
institutions	O
owned	O
PDS-1	O
terminals	O
,	O
and	O
Maze	B-Application
spread	O
to	O
them	O
as	O
well	O
,	O
allowing	O
multiplayer	O
games	O
across	O
the	O
ARPANET	O
.	O
</s>
<s>
The	O
code	O
for	O
the	O
game	O
was	O
adjusted	O
by	O
Harrenstien	O
and	O
Frankston	O
to	O
account	O
for	O
the	O
extra	O
network	B-Protocol
delay	I-Protocol
these	O
cross-country	O
games	O
incurred	O
.	O
</s>
<s>
Maze	B-Application
was	O
particularly	O
popular	O
at	O
the	O
University	O
of	O
Southern	O
California	O
and	O
Stanford	O
:	O
it	O
was	O
later	O
reported	O
that	O
at	O
one	O
point	O
DARPA	O
banned	O
it	O
from	O
the	O
network	O
as	O
half	O
of	O
the	O
communication	O
traffic	O
between	O
Stanford	O
and	O
MIT	O
was	O
for	O
the	O
game	O
.	O
</s>
<s>
Programmers	O
have	O
created	O
several	O
variants	O
of	O
the	O
original	O
Maze	B-Application
game	I-Application
.	O
</s>
<s>
For	O
the	O
project	O
,	O
they	O
created	O
a	O
hardware	O
system	O
that	O
could	O
run	O
Maze	B-Application
titled	O
"	O
The	B-Application
Maze	I-Application
Game	I-Application
"	O
;	O
Thompson	O
designed	O
the	O
computer	O
hardware	O
,	O
Woltman	O
wrote	O
the	O
software	O
,	O
and	O
Horowitz	O
created	O
the	O
display	O
system	O
.	O
</s>
<s>
In	O
this	O
version	O
,	O
the	O
maze	B-Application
was	O
a	O
16	O
by	O
16	O
by	O
16	O
cube	O
with	O
no	O
gravity	O
in	O
which	O
the	O
player	O
could	O
move	O
up	O
and	O
down	O
just	O
as	O
they	O
did	O
forward	O
and	O
back	O
,	O
as	O
they	O
found	O
it	O
easier	O
to	O
create	O
hardware	O
that	O
did	O
not	O
need	O
to	O
treat	O
the	O
floor	O
and	O
ceiling	O
differently	O
than	O
other	O
sides	O
.	O
</s>
<s>
Woltman	O
added	O
robot	O
players	O
like	O
in	O
the	O
computer	O
version	O
of	O
the	O
game	O
,	O
but	O
the	O
trio	O
discovered	O
that	O
since	O
humans	O
found	O
it	O
difficult	O
to	O
visualize	O
where	O
they	O
were	O
in	O
the	O
multi-level	O
maze	B-Application
,	O
the	O
robot	O
players	O
were	O
much	O
harder	O
to	O
beat	O
despite	O
their	O
simple	O
algorithm	O
.	O
</s>
<s>
As	O
the	O
hardware	O
could	O
not	O
use	O
a	O
computer	B-Device
monitor	I-Device
,	O
the	O
team	O
used	O
oscilloscopes	O
that	O
Horowitz	O
made	O
act	O
as	O
vector	O
displays	O
.	O
</s>
<s>
In	O
1977	O
,	O
Jim	O
Guyton	O
,	O
a	O
staff	O
member	O
at	O
Xerox	O
's	O
Palo	O
Alto	B-Device
Research	O
Center	O
(	O
PARC	O
)	O
,	O
and	O
Mike	O
Wahrman	O
,	O
who	O
worked	O
at	O
RAND	O
Corporation	O
,	O
rewrote	O
Maze	B-Application
for	O
Xerox	B-Device
Alto	I-Device
computers	O
,	O
which	O
could	O
communicate	O
with	O
each	O
other	O
directly	O
using	O
the	O
nascent	O
ethernet	O
networking	O
protocol	O
.	O
</s>
<s>
Wahrman	O
had	O
played	O
the	O
game	O
at	O
MIT	O
in	O
1976	O
while	O
he	O
and	O
Guyton	O
worked	O
at	O
RAND	O
Corporation	O
,	O
which	O
he	O
enthusiastically	O
described	O
to	O
Guyton	O
using	O
the	O
name	O
"	O
Mazewar	B-Application
"	O
.	O
</s>
<s>
After	O
Guyton	O
moved	O
to	O
Xerox	O
,	O
the	O
pair	O
felt	O
that	O
the	O
game	O
would	O
be	O
suited	O
to	O
the	O
Alto	B-Device
and	O
could	O
be	O
improved	O
on	O
there	O
,	O
and	O
Wahrman	O
got	O
copies	O
of	O
the	O
PDP-10	B-Device
and	O
PDS-1	O
code	O
.	O
</s>
<s>
The	O
pair	O
spent	O
the	O
next	O
year	O
working	O
on	O
the	O
game	O
,	O
which	O
has	O
been	O
inconsistently	O
remembered	O
as	O
Mazewar	B-Application
,	O
MazeWar	B-Application
,	O
Maze	B-Application
War	I-Application
,	O
and	O
Maze	B-Application
Wars	I-Application
.	O
</s>
<s>
They	O
adapted	O
the	O
graphics	O
from	O
the	O
vector	O
displays	O
of	O
the	O
PDS-1	O
to	O
the	O
raster	B-Algorithm
displays	O
of	O
the	O
Alto	B-Device
,	O
added	O
the	O
top-down	O
display	O
of	O
the	O
maze	B-Application
and	O
the	O
player	O
's	O
position	O
in	O
it	O
to	O
always	O
be	O
below	O
the	O
first-person	O
view	O
,	O
and	O
changed	O
the	O
networking	O
code	O
to	O
handle	O
multiple	O
systems	O
talking	O
directly	O
to	O
each	O
other	O
without	O
a	O
central	O
PDP-10	B-Device
server	O
.	O
</s>
<s>
They	O
rewrote	O
the	O
game	O
entirely	O
in	O
the	O
Mesa	B-Language
programming	I-Language
language	I-Language
and	O
were	O
assisted	O
by	O
several	O
other	O
Xerox	O
employees	O
,	O
including	O
Steven	O
Hayes	O
,	O
Bill	O
Verplank	O
,	O
Jim	O
Sandman	O
,	O
and	O
Bruce	O
Malasky	O
.	O
</s>
<s>
Eventually	O
,	O
it	O
migrated	O
to	O
MIT	O
,	O
Stanford	O
,	O
and	O
Carnegie	O
Mellon	O
University	O
,	O
which	O
were	O
some	O
of	O
the	O
few	O
non-Xerox	O
locations	O
that	O
owned	O
Xerox	B-Device
Alto	I-Device
computers	O
.	O
</s>
<s>
In	O
1981	O
,	O
Xerox	O
commercially	O
released	O
a	O
modified	O
version	O
of	O
the	O
Alto	B-Device
as	O
the	O
Xerox	B-Operating_System
Star	I-Operating_System
,	O
and	O
the	O
source	O
code	O
to	O
Mazewar	B-Application
proliferated	O
after	O
it	O
,	O
in	O
turn	O
inspiring	O
further	O
versions	O
of	O
Maze	B-Application
.	O
</s>
<s>
Maze	B-Application
is	O
believed	O
to	O
be	O
the	O
first	O
3D	O
first-person	O
game	O
ever	O
made	O
.	O
</s>
<s>
It	O
is	O
likely	O
also	O
the	O
earliest	O
example	O
of	O
what	O
was	O
later	O
termed	O
the	O
first-person	O
shooter	O
genre	O
;	O
prior	O
confusion	O
over	O
the	O
development	O
timeline	O
of	O
the	O
game	O
has	O
led	O
to	O
it	O
being	O
considered	O
,	O
along	O
with	O
Spasim	B-Application
,	O
an	O
early	O
1974	O
space	O
flight	O
simulation	O
game	O
by	O
Jim	O
Bowery	O
,	O
to	O
be	O
one	O
of	O
the	O
"	O
joint	O
ancestors	O
"	O
of	O
the	O
genre	O
.	O
</s>
<s>
It	O
has	O
additionally	O
been	O
credited	O
with	O
a	O
variety	O
of	O
other	O
firsts	O
,	O
such	O
as	O
level	O
editing	O
due	O
to	O
Lebling	O
's	O
editor	O
,	O
observer	O
mode	O
and	O
radar	O
from	O
the	O
top-down	O
view	O
,	O
and	O
avatars	B-Application
from	O
the	O
representation	O
of	O
other	O
players	O
.	O
</s>
<s>
Despite	O
its	O
number	O
of	O
firsts	O
,	O
the	O
limited	O
availability	O
of	O
the	O
game	O
due	O
to	O
its	O
reliance	O
on	O
specific	O
,	O
expensive	O
computer	O
hardware	O
meant	O
that	O
it	O
was	O
not	O
a	O
large	O
influence	O
on	O
video	O
games	O
or	O
on	O
the	O
modern	O
first-person	O
shooter	O
genre	O
,	O
which	O
is	O
generally	O
held	O
to	O
have	O
started	O
with	O
Catacomb	B-Application
3-D	I-Application
in	O
1991	O
without	O
direct	O
inspiration	O
from	O
Maze	B-Application
.	O
</s>
<s>
The	O
Xerox	O
version	O
of	O
the	O
game	O
was	O
adapted	O
by	O
Christopher	O
Kent	O
for	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
at	O
DEC	O
in	O
1986	O
as	O
X	B-Operating_System
MazeWars	B-Application
.	O
</s>
<s>
In	O
1987	O
,	O
MacroMind	B-Application
released	O
a	O
version	O
of	O
the	O
game	O
for	O
the	O
Apple	O
Macintosh	B-Device
titled	O
Maze	O
Wars+	O
,	O
which	O
was	O
playable	O
on	O
the	O
AppleTalk	B-Application
local	O
network	O
by	O
up	O
to	O
30	O
players	O
.	O
</s>
<s>
The	O
game	O
featured	O
five	O
different	O
character	O
avatars	B-Application
,	O
including	O
an	O
eyeball	O
similar	O
to	O
that	O
found	O
in	O
the	O
Xerox	O
version	O
of	O
the	O
game	O
,	O
four	O
different	O
types	O
of	O
robot	O
players	O
,	O
additional	O
maze	B-Application
features	O
such	O
as	O
teleporters	O
,	O
and	O
walls	O
made	O
of	O
lines	O
rather	O
than	O
blocks	O
.	O
</s>
<s>
and	O
Xerox	O
PARC	O
network	O
classics	O
"	O
and	O
at	O
one	O
point	O
listed	O
it	O
as	O
for	O
sale	O
directly	O
by	O
MacroMind	B-Application
for	O
US	O
$49.95	O
.	O
</s>
<s>
It	O
was	O
followed	O
by	O
Super	O
MazeWars	B-Application
by	O
Callisto	O
for	O
Mac	B-Application
OS	I-Application
in	O
1992	O
,	O
which	O
was	O
bundled	O
with	O
Macintosh	B-Device
computers	O
for	O
a	O
time	O
.	O
</s>
<s>
Several	O
other	O
games	O
based	O
on	O
the	O
Maze	B-Application
concept	O
,	O
with	O
a	O
variety	O
of	O
graphical	O
styles	O
and	O
differences	O
from	O
the	O
original	O
versions	O
,	O
were	O
released	O
in	O
the	O
1980s	O
and	O
1990s	O
.	O
</s>
<s>
These	O
include	O
MIDI	B-Application
Maze	I-Application
for	O
the	O
Atari	B-Device
ST	I-Device
by	O
Xanth	O
Software	O
in	O
1987	O
,	O
which	O
was	O
ported	O
as	O
Faceball	O
2000	O
to	O
the	O
Game	B-Device
Boy	I-Device
,	O
Super	B-Application
Nintendo	I-Application
Entertainment	I-Application
System	I-Application
,	O
and	O
Game	O
Gear	O
;	O
Oracle	B-Application
Maze	B-Application
,	O
a	O
demo	O
application	O
at	O
the	O
Interop	O
92	O
conference	O
to	O
demonstrate	O
Oracle	B-Application
's	O
networking	O
technology	O
connecting	O
many	O
different	O
companies	O
 '	O
computers	O
;	O
MazeWars	B-Application
for	O
NeXTSTEP	B-Application
by	O
Mike	O
Kienenberger	O
in	O
1994	O
,	O
and	O
MazeWars	B-Application
for	O
Palm	B-Operating_System
OS	I-Operating_System
by	O
IndiVideo	O
in	O
1998	O
.	O
</s>
