<s>
Spelunx	B-Application
and	I-Application
the	I-Application
Caves	I-Application
of	I-Application
Mr.	I-Application
Seudo	I-Application
is	O
an	O
educational	O
computer	O
game	O
intended	O
for	O
young	O
children	O
developed	O
by	O
Cyan	O
(	O
now	O
Cyan	O
Worlds	O
)	O
in	O
1991	O
.	O
</s>
<s>
Spelunx	B-Application
is	O
a	O
first-person	O
point-and-click	O
adventure	O
game	O
.	O
</s>
<s>
Although	O
Spelunx	B-Application
contains	O
a	O
basic	O
frame	O
story	O
(	O
centered	O
on	O
the	O
scientific	O
endeavors	O
of	O
one	O
Professor	O
Spelunx	B-Application
and	O
his	O
willing	O
assistant	O
,	O
Mr.	O
Seudo	O
)	O
,	O
there	O
is	O
no	O
other	O
plot	O
.	O
</s>
<s>
Although	O
the	O
characters	O
Professor	O
Spelunx	B-Application
and	O
Mr.	O
Seudo	O
are	O
mentioned	O
(	O
and	O
even	O
depicted	O
in-game	O
)	O
the	O
player	O
never	O
meets	O
them	O
.	O
</s>
<s>
It	O
was	O
designed	O
by	O
the	O
brothers	O
Robyn	O
and	O
Rand	O
Miller	O
(	O
better	O
known	O
now	O
as	O
the	O
creators	O
of	O
Myst	B-Application
)	O
.	O
</s>
<s>
The	O
game	O
was	O
programmed	O
and	O
implemented	O
using	O
HyperCard	B-Application
,	O
with	O
Robyn	O
Miller	O
hand-drawing	O
all	O
of	O
the	O
in-game	O
graphics	O
and	O
scenery	O
.	O
</s>
<s>
Computer	O
Gaming	O
World	O
stated	O
that	O
Spelunx	B-Application
would	O
"	O
provide	O
hours	O
of	O
entertainment	O
in	O
a	O
variety	O
of	O
ways	O
for	O
both	O
children	O
and	O
adults	O
"	O
.	O
</s>
<s>
In	O
1993	O
,	O
following	O
the	O
release	O
of	O
Myst	B-Application
,	O
Cyan	O
produced	O
a	O
colorized	O
version	O
of	O
Spelunx	B-Application
.	O
</s>
<s>
Although	O
the	O
original	O
monochrome	O
version	O
contained	O
small	O
amounts	O
of	O
color	O
at	O
specific	O
locations	O
or	O
during	O
specific	O
events	O
(	O
utilizing	O
MacroMind	B-Application
Player	O
,	O
a	O
predecessor	O
of	O
Adobe	B-Operating_System
Flash	I-Operating_System
)	O
,	O
this	O
new	O
version	O
(	O
colorized	O
by	O
artist	O
Josh	O
Staub	O
)	O
contained	O
full-color	O
scenery	O
and	O
animation	O
(	O
as	O
well	O
as	O
a	O
small	O
easter	O
egg	O
:	O
an	O
image	O
of	O
Myst	B-Application
Island	O
hidden	O
within	O
one	O
of	O
the	O
original	O
rooms	O
)	O
.	O
</s>
<s>
More	O
recently	O
,	O
the	O
color	O
version	O
has	O
been	O
ported	O
to	O
Windows	O
and	O
released	O
on	O
the	O
Steam	B-Application
digital	O
distribution	O
service	O
as	O
part	O
of	O
the	O
Cyan	O
Complete	O
Pack	O
,	O
alongside	O
other	O
early	O
Cyan	O
titles	O
(	O
including	O
Myst	B-Application
)	O
.	O
</s>
