<s>
Mind	B-Application
Walker	I-Application
is	O
a	O
video	O
game	O
written	O
by	O
Bill	O
Williams	O
and	O
published	O
by	O
Commodore	O
in	O
1986	O
as	O
one	O
of	O
the	O
first	O
games	O
for	O
the	O
new	O
Amiga	B-Device
1000	I-Device
computer	O
.	O
</s>
<s>
The	O
four	O
player	O
avatars	B-Application
,	O
for	O
instance	O
,	O
are	O
the	O
human	O
bodybuilder	O
,	O
the	O
water	O
nymph	O
,	O
the	O
mysterious	O
wizard	O
,	O
and	O
the	O
alien	O
spriggan	O
.	O
</s>
<s>
Various	O
types	O
of	O
platforms	O
rest	O
between	O
the	O
player	O
's	O
starting	O
point	O
and	O
the	O
destination	O
—	O
each	O
type	O
corresponds	O
to	O
one	O
of	O
the	O
avatars	B-Application
.	O
</s>
<s>
In	O
the	O
next	O
stage	O
,	O
the	O
player	O
must	O
guide	O
the	O
avatar	B-Application
through	O
a	O
maze	B-Application
of	O
neurons	O
that	O
pulse	O
with	O
electricity	O
.	O
</s>
<s>
The	O
player	O
must	O
travel	O
through	O
the	O
maze	B-Application
trying	O
to	O
find	O
a	O
pyramid	O
object	O
(	O
sound	O
can	O
be	O
used	O
as	O
a	O
cue	O
here	O
,	O
it	O
gets	O
faster	O
as	O
the	O
player	O
gets	O
closer	O
)	O
.	O
</s>
<s>
Computer	O
Gaming	O
World	O
described	O
Mind	B-Application
Walker	I-Application
as	O
"	O
the	O
most	O
challenging	O
game	O
currently	O
available	O
"	O
,	O
describing	O
it	O
as	O
"	O
a	O
bizarre	O
cross	O
of	O
Adept	B-Application
and	O
Marble	B-Device
Madness	I-Device
.	O
</s>
<s>
The	O
review	O
praised	O
the	O
game	O
's	O
graphics	O
and	O
sound	O
(	O
"	O
It	O
more	O
fully	O
uses	O
the	O
features	O
of	O
the	O
Amiga	B-Device
than	O
any	O
other	O
game	O
"	O
)	O
,	O
and	O
concluded	O
"	O
This	O
game	O
is	O
highly	O
recommended	O
as	O
an[sic]	O
very	O
sophisticated	O
arcade	O
type	O
game	O
"	O
.	O
</s>
<s>
The	O
magazine	O
advised	O
,	O
"	O
You	O
may	O
not	O
like	O
Mindwalker	B-Application
at	O
first	O
;	O
give	O
it	O
time	O
"	O
.	O
</s>
<s>
Only	O
one	O
version	O
of	O
Mind	B-Application
Walker	I-Application
was	O
released	O
for	O
the	O
Amiga	B-Device
.	O
</s>
<s>
Nonetheless	O
,	O
this	O
single	O
version	O
continued	O
to	O
run	O
without	O
problem	O
across	O
four	O
generations	O
of	O
operating	O
system	O
,	O
three	O
generations	O
of	O
CPU	O
,	O
and	O
at	O
least	O
three	O
generations	O
of	O
platform	O
hardware	O
,	O
spanning	O
over	O
six	O
years	O
,	O
starting	O
with	O
the	O
Amiga	B-Device
1000	I-Device
.	O
</s>
<s>
Given	O
that	O
the	O
program	O
was	O
written	O
before	O
production	O
hardware	O
was	O
available	O
,	O
this	O
was	O
an	O
astonishing	O
accomplishment	O
,	O
and	O
was	O
easily	O
among	O
the	O
most	O
forward-compatible	O
software	O
products	O
ever	O
released	O
for	O
the	O
Amiga	B-Device
.	O
</s>
