<s>
or	O
Ouendan	O
,	O
is	O
a	O
rhythm	B-Application
video	O
game	O
developed	O
by	O
iNiS	O
and	O
published	O
by	O
Nintendo	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
handheld	B-Application
game	I-Application
console	I-Application
in	O
2005	O
,	O
for	O
release	O
only	O
in	O
Japan	O
.	O
</s>
<s>
In	O
each	O
stage	O
,	O
players	O
use	O
the	O
DS	B-Device
touchscreen	B-Device
to	O
tap	O
specifically	O
marked	O
spots	O
that	O
appear	O
in	O
rhythm	B-Application
to	O
various	O
Japanese	O
pop	O
songs	O
,	O
scoring	O
points	O
for	O
accurate	O
timing	O
and	O
avoiding	O
a	O
poor	O
performance	O
which	O
can	O
cause	O
the	O
stage	O
to	O
end	O
prematurely	O
.	O
</s>
<s>
Though	O
never	O
released	O
in	O
Western	O
markets	O
,	O
it	O
was	O
a	O
popular	O
import	O
to	O
these	O
regions	O
,	O
leading	O
to	O
the	O
development	O
of	O
the	O
Westernized	O
spiritual	O
sequel	O
Elite	B-Application
Beat	I-Application
Agents	I-Application
,	O
as	O
well	O
as	O
a	O
direct	O
Japanese	O
sequel	O
Moero	O
!	O
</s>
<s>
Nekketsu	O
Rhythm	B-Application
Damashii	O
Osu	B-Application
!	I-Application
</s>
<s>
Ouendan	B-Application
2	I-Application
.	O
</s>
<s>
During	O
the	O
game	O
,	O
the	O
story	O
is	O
told	O
on	O
the	O
Nintendo	B-Device
DS	I-Device
's	O
top	O
screen	O
,	O
and	O
gameplay	O
takes	O
place	O
on	O
the	O
touch	B-Device
screen	I-Device
.	O
</s>
<s>
The	O
player	O
uses	O
the	O
Nintendo	B-Device
DS	I-Device
's	O
stylus	O
to	O
perform	O
varying	O
actions	O
according	O
to	O
the	O
markers	O
that	O
appear	O
on	O
screen	O
:	O
</s>
<s>
The	O
game	O
saves	O
progress	O
automatically	B-General_Concept
once	O
a	O
stage	O
has	O
been	O
completed	O
.	O
</s>
<s>
Additionally	O
,	O
as	O
a	O
combo	O
grows	O
,	O
flames	O
will	O
appear	O
behind	O
the	O
cheer	O
squad	O
,	O
and	O
the	O
longer	O
the	O
combo	O
is	O
maintained	O
,	O
the	O
taller	O
the	O
flames	O
will	O
rise	O
until	O
reaching	O
the	O
top	O
of	O
the	O
touch	B-Device
screen	I-Device
.	O
</s>
<s>
At	O
the	O
2007	O
Game	O
Developers	O
Conference	O
in	O
San	O
Francisco	O
,	O
iNiS	O
Vice	O
President	O
Keiichi	O
Yano	O
described	O
the	O
process	O
which	O
eventually	O
resulted	O
in	O
Osu	B-Application
!	I-Application
</s>
<s>
His	O
first	O
inspirations	O
for	O
the	O
game	O
came	O
when	O
he	O
first	O
tried	O
a	O
Nintendo	B-Device
DS	I-Device
handheld	B-Application
,	O
and	O
development	O
on	O
the	O
game	O
began	O
after	O
successfully	O
pitching	O
the	O
concept	O
to	O
Nintendo	O
.	O
</s>
<s>
In	O
a	O
review	O
for	O
Retro	O
Gamer	O
,	O
Darran	O
Jones	O
considered	O
the	O
game	O
a	O
future	O
classic	O
,	O
and	O
noted	O
that	O
while	O
it	O
lacks	O
some	O
of	O
the	O
features	O
in	O
its	O
sequel	O
and	O
Elite	B-Application
Beat	I-Application
Agents	I-Application
,	O
he	O
felt	O
that	O
it	O
had	O
a	O
better	O
mix	O
of	O
songs	O
and	O
more	O
personality	O
compared	O
to	O
its	O
peers	O
.	O
</s>
<s>
Following	O
high	O
import	O
sales	O
for	O
Ouendan	O
,	O
Nintendo	O
and	O
iNiS	O
developed	O
Elite	B-Application
Beat	I-Application
Agents	I-Application
,	O
released	O
in	O
North	O
America	O
in	O
November	O
2006	O
,	O
in	O
Australia	O
in	O
May	O
2007	O
,	O
in	O
Europe	O
in	O
July	O
2007	O
,	O
and	O
in	O
South	O
Korea	O
in	O
October	O
2007	O
.	O
</s>
<s>
Nekketsu	O
Rhythm	B-Application
Damashii	O
Osu	B-Application
!	I-Application
</s>
<s>
Ouendan	B-Application
2	I-Application
.	O
</s>
<s>
The	O
game	O
features	O
the	O
original	O
characters	O
from	O
Osu	B-Application
!	I-Application
</s>
<s>
It	O
has	O
4-player	O
wireless	O
play	O
,	O
as	O
well	O
as	O
several	O
other	O
new	O
features	O
,	O
most	O
of	O
which	O
were	O
first	O
implemented	O
in	O
Elite	B-Application
Beat	I-Application
Agents	I-Application
.	O
</s>
<s>
osu	O
!,	O
an	O
indie	O
game	O
inspired	O
by	O
Osu	B-Application
!	I-Application
</s>
<s>
Ouendan	O
,	O
was	O
released	O
for	O
personal	B-Device
computers	I-Device
in	O
the	O
same	O
year	O
the	O
sequel	O
was	O
released	O
.	O
</s>
<s>
The	O
main	O
characters	O
of	O
Ouendan	O
would	O
also	O
make	O
minor	O
appearances	O
in	O
Nintendo	O
's	O
crossover	O
fighting	O
series	O
Super	O
Smash	O
Bros.	O
,	O
appearing	O
as	O
stickers	O
and	O
trophies	O
in	O
Brawl	B-Application
and	O
spirits	O
in	O
Ultimate	B-Application
.	O
</s>
