<s>
Rotozoa	B-Application
is	O
a	O
single-player	O
exclusive	O
puzzle	O
video	O
game	O
published	O
by	O
Nintendo	O
for	O
the	B-Operating_System
Wii	I-Operating_System
video	B-Device
game	I-Device
console	I-Device
.	O
</s>
<s>
The	O
game	O
revolves	O
around	O
a	O
colour-matching	O
concept	O
,	O
with	O
a	O
mechanic	O
similar	O
to	O
that	O
of	O
Snake	B-Application
,	O
taking	O
place	O
within	O
a	O
diffuse	O
world	O
of	O
microorganisms	O
.	O
</s>
<s>
Developed	O
by	O
skip	O
Ltd.	O
,	O
the	O
game	O
is	O
the	O
fifth	O
WiiWare	O
installment	O
in	O
the	O
Art	B-Device
Style	I-Device
series	O
.	O
</s>
<s>
Set	O
within	O
a	O
primordial	O
ooze	O
,	O
the	O
player	O
controls	O
a	O
microscopic	O
tentacled	O
organism	O
,	O
known	O
as	O
a	O
rotozoan	B-Application
.	O
</s>
<s>
The	O
objective	O
of	O
the	O
game	O
is	O
to	O
extend	O
the	O
rotozoan	B-Application
's	O
tentacles	O
by	O
using	O
them	O
to	O
absorb	O
other	O
organisms	O
in	O
the	O
primordial	O
ooze	O
,	O
known	O
as	O
goobugs	O
.	O
</s>
<s>
To	O
absorb	O
a	O
goobug	O
,	O
the	O
player	O
has	O
to	O
move	O
through	O
the	O
environment	O
and	O
rotate	O
the	O
rotozoan	B-Application
,	O
in	O
order	O
to	O
direct	O
its	O
tentacles	O
to	O
touch	O
it	O
.	O
</s>
<s>
Some	O
of	O
the	O
goobugs	O
in	O
the	O
liquid	O
are	O
easy	O
to	O
absorb	O
,	O
as	O
they	O
simply	O
float	O
about	O
aimlessly	O
,	O
while	O
others	O
may	O
be	O
combative	O
and	O
pursue	O
the	O
rotozoan	B-Application
.	O
</s>
<s>
If	O
the	O
rotozoan	B-Application
makes	O
too	O
many	O
mismatches	O
with	O
the	O
goobugs	O
it	O
will	O
run	O
out	O
of	O
lives	O
,	O
and	O
the	O
game	O
ends	O
.	O
</s>
<s>
To	O
aid	O
the	O
rotozoan	B-Application
on	O
its	O
quest	O
,	O
the	O
game	O
spawns	O
certain	O
items	O
during	O
the	O
progression	O
of	O
a	O
stage	O
.	O
</s>
<s>
If	O
the	O
rotozoan	B-Application
has	O
lost	O
one	O
or	O
more	O
lives	O
,	O
Heart	O
items	O
may	O
occasionally	O
float	O
by	O
.	O
</s>
<s>
If	O
the	O
rotozoan	B-Application
is	O
damaged	O
during	O
the	O
charging	O
process	O
,	O
the	O
Cyclone	O
energy	O
will	O
discharge	O
,	O
and	O
the	O
player	O
will	O
have	O
to	O
repeat	O
the	O
process	O
.	O
</s>
<s>
Once	O
the	O
Cyclone	O
energy	O
is	O
fully	O
charged	O
,	O
the	O
rotozoan	B-Application
can	O
unleash	O
the	O
Cyclone	O
.	O
</s>
<s>
During	O
a	O
Cyclone	O
,	O
the	O
rotozoan	B-Application
becomes	O
invincible	O
,	O
while	O
spinning	O
automatically	O
with	O
all	O
its	O
tentacles	O
spread	O
out	O
.	O
</s>
<s>
In	O
order	O
to	O
control	O
the	O
rotozoan	B-Application
and	O
navigate	O
within	O
the	O
ooze	O
,	O
the	O
player	O
is	O
given	O
a	O
default	O
option	O
to	O
use	O
the	B-Operating_System
Wii	I-Operating_System
Remote	O
controller	O
,	O
holding	O
it	O
in	O
a	O
horizontal	O
position	O
.	O
</s>
<s>
The	O
direction	O
pad	O
is	O
used	O
to	O
move	O
the	O
rotozoan	B-Application
in	O
any	O
direction	O
,	O
while	O
pressing	O
the	O
1	O
and	O
2	O
buttons	O
will	O
respectively	O
spin	O
the	O
rotozoan	B-Application
anticlockwise	O
and	O
clockwise	O
.	O
</s>
<s>
Alternatively	O
,	O
the	B-Operating_System
Wii	I-Operating_System
Classic	B-Device
Controller	I-Device
can	O
be	O
used	O
instead	O
of	O
the	B-Operating_System
Wii	I-Operating_System
Remote	O
.	O
</s>
<s>
The	O
Classic	B-Device
Controller	I-Device
offers	O
the	O
player	O
greater	O
precision	O
,	O
as	O
the	O
controller	O
's	O
left	O
and	O
right	O
analogue	O
sticks	O
are	O
supported	O
for	O
both	O
movement	O
and	O
rotation	O
.	O
</s>
<s>
The	O
player	O
can	O
,	O
however	O
,	O
also	O
use	O
the	O
Classic	B-Device
Controller	I-Device
's	O
direction	O
pad	O
for	O
movement	O
,	O
while	O
the	O
a	O
and	O
b	O
buttons	O
serve	O
as	O
alternative	O
rotation	O
buttons	O
.	O
</s>
<s>
In	O
the	O
first	O
level	O
of	O
stages	O
,	O
the	O
rotozoan	B-Application
has	O
only	O
two	O
tentacles	O
.	O
</s>
<s>
The	O
next	O
level	O
then	O
allows	O
the	O
player	O
to	O
proceed	O
to	O
a	O
new	O
set	O
of	O
stages	O
,	O
where	O
the	O
rotozoan	B-Application
has	O
three	O
tentacles	O
.	O
</s>
<s>
Eventually	O
,	O
as	O
the	O
third	O
and	O
fourth	O
levels	O
are	O
subsequently	O
unlocked	O
,	O
the	O
player	O
can	O
proceed	O
with	O
new	O
stages	O
as	O
a	O
rotozoan	B-Application
with	O
four	O
and	O
five	O
tentacles	O
,	O
respectively	O
.	O
</s>
<s>
The	O
rotozoan	B-Application
's	O
initial	O
pair	O
of	O
tentacles	O
will	O
always	O
be	O
red	O
and	O
yellow	O
,	O
while	O
the	O
third	O
will	O
be	O
blue	O
,	O
the	O
fourth	O
white	O
,	O
and	O
the	O
fifth	O
a	O
green	O
tentacle	O
.	O
</s>
<s>
In	O
Endless	O
Mode	O
,	O
there	O
are	O
no	O
limits	O
to	O
how	O
far	O
the	O
player	O
can	O
extend	O
the	O
rotozoan	B-Application
's	O
tentacles	O
,	O
meaning	O
the	O
difficulty	O
will	O
increase	O
as	O
the	O
tentacles	O
become	O
longer	O
and	O
more	O
difficult	O
to	O
handle	O
.	O
</s>
<s>
Initially	O
,	O
Endless	O
Mode	O
only	O
features	O
the	O
two-tentacled	O
rotozoan	B-Application
.	O
</s>
<s>
However	O
,	O
as	O
new	O
levels	O
are	O
unlocked	O
in	O
Stages	O
Mode	O
,	O
rotozoans	B-Application
with	O
additional	O
tentacles	O
also	O
become	O
available	O
in	O
Endless	O
Mode	O
.	O
</s>
<s>
While	O
some	O
waves	O
may	O
manifest	O
as	O
goobugs	O
spawning	O
at	O
random	O
positions	O
within	O
the	O
ooze	O
,	O
other	O
waves	O
appear	O
in	O
a	O
more	O
structured	O
manner	O
,	O
like	O
chains	O
of	O
goobugs	O
slowly	O
approaching	O
the	O
rotozoan	B-Application
,	O
or	O
rows	O
of	O
goobugs	O
aggressively	O
running	O
across	O
the	O
screen	O
from	O
both	O
sides	O
.	O
</s>
<s>
Snake	B-Application
Mode	O
plays	O
out	O
the	O
same	O
way	O
as	O
Endless	O
Mode	O
,	O
with	O
the	O
exception	O
that	O
the	O
rotozoan	B-Application
has	O
only	O
one	O
tentacle	O
,	O
whereas	O
the	O
other	O
half	O
of	O
the	O
organism	O
is	O
translucent	O
.	O
</s>
<s>
In	O
Snake	B-Application
Mode	O
,	O
too	O
,	O
the	O
player	O
plays	O
for	O
points	O
under	O
the	O
same	O
directions	O
as	O
in	O
Endless	O
Mode	O
,	O
where	O
the	O
highest	O
score	O
achieved	O
is	O
recorded	O
and	O
displayed	O
on	O
the	O
title	O
screen	O
.	O
</s>
<s>
Uniquely	O
to	O
Snake	B-Application
Mode	O
,	O
however	O
,	O
the	O
goobugs	O
that	O
are	O
in	O
contrast	O
to	O
the	O
colour	O
of	O
the	O
rotozoan	B-Application
's	O
tentacle	O
appear	O
in	O
various	O
colours	O
that	O
are	O
not	O
present	O
in	O
any	O
other	O
mode	O
,	O
including	O
deep	O
blue	O
,	O
magenta	O
and	O
orange	O
.	O
</s>
<s>
Another	O
unique	O
feature	O
about	O
Snake	B-Application
Mode	O
is	O
the	O
option	O
to	O
unlock	O
and	O
switch	O
between	O
themes	O
.	O
</s>
<s>
Once	O
the	O
player	O
has	O
managed	O
to	O
unlock	O
the	O
final	O
stages	O
for	O
each	O
level	O
in	O
Stages	O
Mode	O
,	O
completing	O
these	O
with	O
the	O
All	O
Completed	O
achievement	O
unlocks	O
new	O
themes	O
in	O
Snake	B-Application
Mode	O
.	O
</s>
<s>
The	O
themes	O
feature	O
a	O
background	O
from	O
Stages	O
Mode	O
,	O
and	O
also	O
have	O
a	O
preset	O
colour	O
for	O
the	O
rotozoan	B-Application
's	O
tentacle	O
.	O
</s>
<s>
Announced	O
at	O
a	O
Nintendo	O
press	O
summit	O
on	O
February	O
24	O
,	O
2010	O
,	O
Rotozoa	B-Application
was	O
developed	O
by	O
skip	O
Ltd	O
,	O
under	O
the	O
executive	O
production	O
of	O
Satoru	O
Iwata	O
.	O
</s>
<s>
According	O
to	O
producer	O
Kensuke	O
Tanabe	O
,	O
the	O
primary	O
focus	O
in	O
the	O
development	O
of	O
an	O
Art	B-Device
Style	I-Device
game	O
is	O
the	O
fusion	O
between	O
"	O
visuals	O
and	O
sounds	O
from	O
an	O
artistic	O
viewpoint	O
,	O
using	O
video	O
games	O
as	O
a	O
method	O
"	O
.	O
</s>
<s>
As	O
the	O
player	O
makes	O
progress	O
extending	O
the	O
rotozoan	B-Application
's	O
tentacles	O
,	O
the	O
music	O
will	O
begin	O
to	O
evolve	O
,	O
adding	O
more	O
elements	O
to	O
the	O
sound	O
.	O
</s>
<s>
In	O
an	O
interview	O
with	O
Nintendo	O
of	O
Europe	O
,	O
Suzuki	O
explained	O
the	O
concept	O
as	O
an	O
idea	O
of	O
making	O
"	O
exclusive	O
experiences	O
that	O
only	O
can	O
be	O
made	O
in	O
video	O
games	O
"	O
,	O
also	O
noting	O
that	O
it	O
has	O
been	O
an	O
integral	O
part	O
of	O
the	O
Art	B-Device
Style	I-Device
project	O
itself	O
since	O
its	O
beginning	O
.	O
</s>
<s>
Similarly	O
,	O
when	O
the	O
player	O
rotates	O
the	O
rotozoan	B-Application
,	O
an	O
additional	O
drum	O
loop	O
will	O
layer	O
with	O
the	O
music	O
for	O
as	O
long	O
as	O
either	O
spin	O
button	O
is	O
held	O
,	O
sporting	O
a	O
unique	O
drum	O
pattern	O
for	O
every	O
stage	O
and	O
mode	O
.	O
</s>
<s>
Rotozoa	B-Application
received	O
generally	O
favorable	O
reviews	O
upon	O
release	O
,	O
garnering	O
a	O
score	O
of	O
68/100	O
on	O
the	O
review	O
aggregation	O
website	O
Metacritic	O
and	O
67.43	O
%	O
on	O
GameRankings	O
.	O
</s>
<s>
Craig	O
Harris	O
of	O
IGN	O
was	O
also	O
pleased	O
with	O
the	O
game	O
,	O
noting	O
"[it's]	O
definitely	O
one	O
of	O
the	O
higher	O
tier	O
games	O
in	O
the	O
Art	B-Device
Style	I-Device
series	O
:	O
easy	O
to	O
understand	O
,	O
with	O
a	O
fantastic	O
art	B-Device
style	I-Device
 [ and ] 	O
several	O
unlockables	O
that	O
change	O
up	O
the	O
gameplay	O
"	O
.	O
</s>
