<s>
The	B-Application
Manhole	I-Application
is	O
an	O
adventure	O
video	O
game	O
in	O
which	O
the	O
player	O
opens	O
a	O
manhole	O
and	O
reveals	O
a	O
gigantic	O
beanstalk	O
,	O
leading	O
to	O
fantastic	O
worlds	O
.	O
</s>
<s>
The	O
game	O
was	O
first	O
released	O
on	O
floppy	B-Device
disks	I-Device
in	O
1988	O
by	O
Cyan	O
,	O
Inc	O
.	O
(	O
now	O
Cyan	O
Worlds	O
)	O
and	O
distributed	O
through	O
mail	O
order	O
.	O
</s>
<s>
In	O
1989	O
,	O
it	O
was	O
produced	O
for	O
Activision	O
as	O
a	O
CD-ROM	B-Device
version	O
based	O
on	O
the	O
floppy	B-Device
disk	I-Device
game	O
.	O
</s>
<s>
This	O
version	O
was	O
the	O
first	O
computer	O
game	O
distributed	O
on	O
CD-ROM	B-Device
(	O
although	O
there	O
had	O
already	O
been	O
two	O
games	O
released	O
in	O
late	O
1988	O
in	O
Japan	O
for	O
NEC	O
's	O
PC	B-General_Concept
Engine	I-General_Concept
game	O
console	O
on	O
its	O
CD-ROM²	O
format	O
)	O
.	O
</s>
<s>
It	O
runs	O
in	O
black-and-white	O
on	O
the	O
Macintosh	B-Device
line	O
of	O
computers	O
.	O
</s>
<s>
It	O
was	O
created	O
using	O
the	O
HyperTalk	B-Language
programming	I-Language
language	I-Language
by	O
brothers	O
Rand	O
and	O
Robyn	O
Miller	O
,	O
who	O
founded	O
the	O
company	O
Cyan	O
and	O
would	O
go	O
on	O
to	O
produce	O
the	O
best-selling	O
adventure	O
game	O
Myst	B-Application
.	O
</s>
<s>
The	B-Application
Manhole	I-Application
was	O
later	O
also	O
released	O
for	O
the	O
PC	B-General_Concept
Engine	I-General_Concept
and	O
FM	B-Device
Towns	I-Device
.	O
</s>
<s>
The	O
game	O
was	O
re-released	O
for	O
MS-DOS	B-Application
twice	O
,	O
once	O
in	O
1992	O
by	O
Activision	O
as	O
The	B-Application
Manhole	I-Application
:	O
New	O
and	O
Enhanced	O
(	O
including	O
a	O
Windows	O
3.1	O
version	O
)	O
and	O
again	O
in	O
1995	O
as	O
The	B-Application
Manhole	I-Application
:	O
CD-ROM	B-Device
Masterpiece	O
Edition	O
by	O
Broderbund	O
,	O
which	O
featured	O
the	O
use	O
of	O
color	O
,	O
music	O
,	O
voice	O
,	O
sound	O
effects	O
,	O
and	O
some	O
new	O
characters	O
.	O
</s>
<s>
Cyan	O
artist	O
Chuck	O
Carter	O
designed	O
all	O
of	O
the	O
color	O
graphics	O
in	O
about	O
three	O
months	O
using	O
StrataVision	B-Application
3D	I-Application
.	O
</s>
<s>
In	O
2007	O
,	O
the	O
game	O
was	O
released	O
on	O
GameTap	B-Operating_System
.	O
</s>
<s>
As	O
of	O
February	O
2011	O
,	O
the	O
game	O
is	O
available	O
from	O
GOG.com,	O
iTunes	B-Operating_System
,	O
and	O
as	O
part	O
of	O
the	O
"	O
Cyan	O
Complete	O
Pack	O
"	O
on	O
Steam	B-Application
.	O
</s>
<s>
The	B-Application
Manhole	I-Application
is	O
a	O
notable	O
computer	O
game	O
because	O
,	O
like	O
Cosmic	B-Application
Osmo	I-Application
and	O
Spelunx	B-Application
,	O
it	O
has	O
no	O
goal	O
and	O
no	O
end	O
;	O
as	O
a	O
software	B-Application
toy	I-Application
the	O
object	O
is	O
simply	O
to	O
explore	O
and	O
have	O
fun	O
.	O
</s>
<s>
Describing	O
The	B-Application
Manhole	I-Application
as	O
"	O
the	O
first	O
children	O
's	O
software	O
to	O
require	O
a	O
hard	O
disk	O
"	O
,	O
Macworld	O
in	O
March	O
1989	O
stated	O
that	O
its	O
"	O
realistic	O
sounds	O
,	O
the	O
fantasy-filled	O
graphics	O
,	O
and	O
the	O
stack	O
construction	O
are	O
truly	O
impressive	O
"	O
.	O
</s>
<s>
The	O
magazine	O
"	O
highly	O
recommended	O
[	O
the	O
game ]	O
for	O
young	O
children[ 	O
,	O
and ]	O
it	O
's	O
hard	O
to	O
imagine	O
a	O
playful	O
soul	O
of	O
any	O
age	O
who	O
would	O
n't	O
enjoy	O
exploring	O
the	O
mind-tickling	O
world	O
inside	O
The	B-Application
Manhole	I-Application
"	O
.	O
</s>
<s>
The	B-Application
Manhole	I-Application
won	O
a	O
Software	O
Publishers	O
Association	O
Excellence	O
in	O
Software	O
Award	O
in	O
1989	O
for	O
Best	O
New	O
Use	O
of	O
a	O
Computer	O
.	O
</s>
