<s>
Snood	B-Application
is	O
a	O
puzzle	O
video	O
game	O
programmed	O
by	O
Dave	O
Dobson	O
.	O
</s>
<s>
Snood	B-Application
was	O
released	O
for	O
Mac	B-Application
OS	I-Application
in	O
1996	O
as	O
shareware	B-License
,	O
then	O
for	O
MS-DOS	B-Application
and	O
Microsoft	B-Application
Windows	I-Application
in	O
1999	O
.	O
</s>
<s>
An	O
adaptation	O
for	O
Game	B-Device
Boy	I-Device
Advance	I-Device
was	O
developed	O
by	O
Rebellion	O
Developments	O
and	O
released	O
by	O
Destination	O
Software	O
in	O
2001	O
,	O
and	O
an	O
iOS	B-Application
version	O
was	O
developed	O
by	O
Iron	O
Galaxy	O
and	O
released	O
by	O
EA	O
Mobile	O
on	O
May	O
8	O
,	O
2009	O
.	O
</s>
<s>
Dobson	O
founded	O
Snood	B-Application
,	O
LLC	O
to	O
sell	O
the	O
game	O
.	O
</s>
<s>
As	O
in	O
Puzzle	B-Application
Bobble	I-Application
,	O
connecting	O
three	O
or	O
more	O
identical	O
Snoods	B-Application
makes	O
them	O
disappear	O
from	O
the	O
board	O
.	O
</s>
<s>
If	O
the	O
Snoods	B-Application
reach	O
the	O
bottom	O
of	O
the	O
screen	O
,	O
a	O
life	O
is	O
lost	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Snood	B-Application
2	O
:	O
On	O
Vacation	O
,	O
was	O
developed	O
by	O
Gravity-i	O
and	O
released	O
by	O
Destination	O
Software	O
for	O
Game	B-Device
Boy	I-Device
Advance	I-Device
and	O
Nintendo	B-Device
DS	I-Device
in	O
October	O
2005	O
and	O
November	O
2005	O
respectively	O
.	O
</s>
<s>
The	O
pieces	O
in	O
the	O
game	O
are	O
called	O
Snoods	B-Application
.	O
</s>
<s>
There	O
are	O
seven	O
regular	O
Snoods	B-Application
and	O
four	O
Special	O
Snoods	B-Application
.	O
</s>
<s>
The	O
regular	O
Snoods	B-Application
are	O
Jake	O
(	O
Blue	O
)	O
,	O
Midoribe	O
(	O
Green	O
)	O
,	O
Mildred	O
(	O
Grey	O
)	O
,	O
Spike	O
(	O
Purple	O
)	O
,	O
Zod	O
(	O
Red	O
)	O
,	O
Geji	O
(	O
Light	O
blue	O
)	O
,	O
and	O
Sunny	O
(	O
Yellow	O
)	O
.	O
</s>
<s>
Each	O
turn	O
,	O
the	O
player	O
launches	O
a	O
Snood	B-Application
of	O
randomly	O
selected	O
color	O
into	O
the	O
playfield	O
.	O
</s>
<s>
If	O
the	O
Snood	B-Application
lands	O
adjacent	O
to	O
two	O
or	O
more	O
Snoods	B-Application
of	O
the	O
same	O
color	O
,	O
all	O
connecting	O
Snoods	B-Application
of	O
that	O
color	O
vanish	O
and	O
any	O
pieces	O
left	O
unattached	O
beneath	O
the	O
vanished	O
Snoods	B-Application
drop	O
down	O
.	O
</s>
<s>
The	O
player	O
's	O
score	O
increases	O
with	O
the	O
number	O
of	O
Snoods	B-Application
eliminated	O
.	O
</s>
<s>
With	O
each	O
Snood	B-Application
launched	O
,	O
a	O
Danger	O
Meter	O
increases	O
and	O
when	O
it	O
reaches	O
the	O
top	O
,	O
all	O
the	O
Snoods	B-Application
in	O
play	O
lower	O
a	O
level	O
.	O
</s>
<s>
If	O
the	O
Snoods	B-Application
drop	O
past	O
the	O
lowest	O
level	O
of	O
the	O
playing	O
field	O
,	O
the	O
game	O
is	O
over	O
.	O
</s>
<s>
Releasing	O
Snoods	B-Application
reduces	O
the	O
"	O
Danger	O
Meter	O
"	O
.	O
</s>
<s>
The	O
first	O
special	O
Snood	B-Application
is	O
called	O
Numbskull	O
.	O
</s>
<s>
Numbskull	O
is	O
shaped	O
like	O
a	O
human	O
skull	O
and	O
is	O
the	O
one	O
type	O
of	O
Snood	B-Application
that	O
is	O
never	O
launched	O
into	O
play	O
,	O
which	O
means	O
it	O
cannot	O
be	O
joined	O
with	O
other	O
Snoods	B-Application
except	O
Wildcard	O
.	O
</s>
<s>
If	O
the	O
player	O
loses	O
the	O
game	O
,	O
all	O
the	O
Snoods	B-Application
will	O
turn	O
into	O
Numbskulls	O
,	O
serving	O
as	O
a	O
visual	O
game	O
over	O
message	O
.	O
</s>
<s>
The	O
other	O
three	O
special	O
Snood	B-Application
pieces	O
may	O
be	O
launched	O
,	O
and	O
appear	O
at	O
random	O
(	O
and	O
infrequently	O
)	O
.	O
</s>
<s>
One	O
is	O
called	O
Stone	O
which	O
is	O
round	O
and	O
gray	O
,	O
and	O
will	O
always	O
knock	O
out	O
the	O
Snoods	B-Application
adjacent	O
to	O
where	O
it	O
lands	O
.	O
</s>
<s>
Another	O
is	O
called	O
Wildcard	O
which	O
appears	O
to	O
cycle	O
through	O
all	O
of	O
the	O
regular	O
Snoods	B-Application
and	O
Numbskull	O
and	O
may	O
be	O
used	O
in	O
place	O
of	O
any	O
of	O
them	O
,	O
but	O
if	O
it	O
does	O
n't	O
join	O
any	O
two	O
or	O
more	O
identical	O
pieces	O
together	O
,	O
it	O
would	O
just	O
drop	O
,	O
and	O
if	O
it	O
joins	O
more	O
than	O
one	O
set	O
of	O
two	O
or	O
more	O
identical	O
pieces	O
,	O
even	O
if	O
each	O
set	O
has	O
different	O
piece	O
from	O
each	O
other	O
,	O
all	O
such	O
sets	O
would	O
be	O
eliminated	O
.	O
</s>
<s>
The	O
last	O
is	O
called	O
Rowbuilder	O
,	O
a	O
diamond-shaped	O
creature	O
which	O
will	O
fill	O
one	O
row	O
horizontally	O
with	O
like	O
regular	O
Snoods	B-Application
.	O
</s>
<s>
In	O
the	O
registered	O
game	O
,	O
users	O
may	O
control	O
how	O
frequently	O
these	O
special	O
Snoods	B-Application
appear	O
.	O
</s>
<s>
Unlike	O
Puzzle	B-Application
Bobble	I-Application
,	O
there	O
is	O
no	O
conventional	O
time	O
limit	O
in	O
Snood	B-Application
modes	O
other	O
than	O
Time	O
Attack	O
;	O
however	O
,	O
players	O
must	O
eliminate	O
Snoods	B-Application
efficiently	O
enough	O
to	O
prevent	O
the	O
gradually	O
descending	O
ceiling	O
from	O
crushing	O
them	O
.	O
</s>
<s>
Many	O
levels	O
also	O
require	O
Snoods	B-Application
to	O
be	O
ricocheted	O
off	O
of	O
walls	O
in	O
order	O
to	O
get	O
them	O
in	O
the	O
appropriate	O
spot	O
,	O
which	O
can	O
be	O
tricky	O
.	O
</s>
<s>
Snood	B-Application
requires	O
considerable	O
skill	O
at	O
approximating	O
angles	O
as	O
well	O
as	O
strategy	O
.	O
</s>
<s>
Steve	O
Wozniak	O
,	O
co-founder	O
of	O
Apple	O
,	O
Inc.	O
,	O
lists	O
Snood	B-Application
as	O
one	O
of	O
his	O
favorite	O
games	O
.	O
</s>
<s>
Jupiter	O
Media	O
Metrix	O
found	O
in	O
2001	O
that	O
Snood	B-Application
was	O
the	O
ninth	O
most-played	O
game	O
with	O
1.5	O
million	O
unique	O
users	O
.	O
</s>
<s>
This	O
is	O
most	O
notable	O
because	O
most	O
of	O
the	O
games	O
on	O
the	O
list	O
came	O
with	O
various	O
versions	O
of	O
Windows	B-Application
(	O
such	O
as	O
the	O
top-ranked	O
game	O
,	O
Solitaire	B-Algorithm
,	O
with	O
46.7	O
million	O
users	O
)	O
.	O
</s>
<s>
The	O
"	O
addictive	O
"	O
qualities	O
of	O
the	O
game	O
have	O
been	O
described	O
in	O
an	O
article	O
titled	O
"	O
Snood	B-Application
:	O
At	O
Least	O
It	O
's	O
Not	O
Crack	O
"	O
.	O
</s>
<s>
Snood	B-Application
received	O
2004	O
Shareware	B-License
Industry	O
Award	O
for	O
Best	O
Game	O
Action/Arcade	O
on	O
July	O
17	O
,	O
2004	O
.	O
</s>
<s>
Snood	B-Application
has	O
been	O
used	O
regularly	O
by	O
the	O
Ronald	O
McDonald	O
House	O
staff	O
at	O
Stanford	O
University	O
as	O
a	O
tool	O
to	O
teach	O
seriously	O
ill	O
children	O
.	O
</s>
<s>
Snood	B-Application
was	O
voted	O
"	O
One	O
of	O
the	O
Top	O
10	O
Things	O
on	O
the	O
Web	O
to	O
make	O
you	O
happy	O
"	O
,	O
by	O
the	O
Daily	O
News	O
(	O
New	O
York	O
)	O
in	O
April	O
2009	O
.	O
</s>
