<s>
Dance	B-Application
Dance	I-Application
Revolution	I-Application
4thMix	I-Application
is	O
the	O
fourth	O
game	O
in	O
the	O
main	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
series	O
of	O
music	B-Application
video	I-Application
games	I-Application
.	O
</s>
<s>
It	O
was	O
released	O
as	O
an	O
arcade	B-Application
game	O
by	O
Konami	O
on	O
August	O
24	O
,	O
2000	O
in	O
Japan	O
.	O
</s>
<s>
4thMix	B-Application
features	O
136	O
songs	O
,	O
of	O
which	O
37	O
are	O
new	O
songs	O
available	O
and	O
12	O
are	O
new	O
unlockables	O
that	O
require	O
an	O
operator	O
code	O
.	O
</s>
<s>
Dance	B-Application
Dance	I-Application
Revolution	I-Application
4thMix	I-Application
Plus	I-Application
is	O
an	O
update	O
that	O
unlocks	O
these	O
12	O
songs	O
without	O
an	O
operator	O
code	O
,	O
while	O
also	O
adding	O
14	O
new	O
songs	O
of	O
its	O
own	O
,	O
for	O
a	O
total	O
of	O
150	O
songs	O
.	O
</s>
<s>
The	O
core	O
gameplay	O
of	O
4thMix	B-Application
is	O
the	O
same	O
as	O
the	O
previous	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
games	I-Application
.	O
</s>
<s>
4thMix	B-Application
is	O
unusual	O
in	O
that	O
it	O
is	O
the	O
only	O
game	O
in	O
the	O
series	O
where	O
Boo	O
steps	O
do	O
not	O
deplete	O
the	O
dance	O
gauge	O
.	O
</s>
<s>
A	O
player	O
may	O
play	O
anywhere	O
from	O
one	O
to	O
five	O
songs	O
,	O
depending	O
on	O
how	O
many	O
the	O
arcade	B-Application
operator	O
sets	O
the	O
machine	O
to	O
play	O
each	O
game	O
.	O
</s>
<s>
Nonstop	O
Mode	O
,	O
a	O
feature	O
from	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
3rdMix	O
,	O
allows	O
the	O
player	O
to	O
play	O
a	O
course	O
of	O
several	O
pre-determined	O
songs	O
without	O
stopping	O
.	O
</s>
<s>
Some	O
machines	O
have	O
the	O
ports	O
to	O
insert	O
PlayStation	B-Device
memory	O
cards	O
.	O
</s>
<s>
Such	O
memory	O
cards	O
have	O
to	O
be	O
PlayStation	B-Device
memory	O
cards	O
with	O
Link	O
Data	O
from	O
the	O
home	O
version	O
of	O
4thMix	B-Application
or	O
earlier	O
.	O
</s>
<s>
It	O
can	O
exchange	O
data	O
with	O
4thMix	B-Application
,	O
as	O
well	O
as	O
any	O
earlier	O
version	O
that	O
has	O
songs	O
that	O
are	O
in	O
4thMix	B-Application
.	O
</s>
<s>
In	O
the	O
months	O
after	O
the	O
release	O
of	O
the	O
Windows	O
version	O
of	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
,	O
Konami	O
offered	O
free	O
downloads	O
for	O
the	O
game	O
on	O
the	O
product	O
website	O
.	O
</s>
<s>
Dance	B-Application
Dance	I-Application
Revolution	I-Application
Konamix	B-Application
and	O
Dancing	B-Application
Stage	I-Application
Party	O
Edition	O
are	O
international	O
ports	O
of	O
4thMix	B-Application
released	O
in	O
2002	O
for	O
the	O
Sony	B-Device
PlayStation	I-Device
.	O
</s>
<s>
Konamix	B-Application
was	O
released	O
in	O
North	O
America	O
and	O
consisted	O
of	O
52	O
Konami	O
original	O
tracks	O
,	O
produced	O
by	O
the	O
company	O
's	O
in-house	O
music	B-Application
staff	O
.	O
</s>
<s>
Party	O
Edition	O
was	O
released	O
in	O
Europe	O
and	O
included	O
46	O
of	O
the	O
Konami	O
original	O
tracks	O
found	O
on	O
Konamix	B-Application
,	O
plus	O
five	O
exclusive	O
new	O
licenses	O
.	O
</s>
<s>
It	O
was	O
also	O
the	O
last	O
game	O
in	O
the	O
series	O
to	O
be	O
released	O
for	O
the	O
PlayStation	B-Device
in	O
North	O
America	O
.	O
</s>
<s>
Dance	B-Application
Dance	I-Application
Revolution	I-Application
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
computers	O
on	O
May	O
24	O
,	O
2002	O
.	O
</s>
<s>
The	O
game	O
used	O
the	O
engine	O
and	O
interface	O
from	O
4thMix	B-Application
,	O
and	O
like	O
Konamix	B-Application
,	O
it	O
only	O
includes	O
Konami	O
original	O
songs	O
.	O
</s>
<s>
However	O
,	O
the	O
song	O
count	O
in	O
the	O
Windows	O
version	O
is	O
reduced	O
to	O
40	O
songs	O
,	O
of	O
which	O
21	O
are	O
unavailable	O
in	O
Konamix	B-Application
.	O
</s>
<s>
Dancing	B-Application
Stage	I-Application
Fever	O
was	O
released	O
on	O
October	O
24	O
,	O
2003	O
for	O
the	O
PlayStation	B-Device
and	O
PlayStation	B-Device
2	O
.	O
</s>
<s>
Dancing	B-Application
Stage	I-Application
Fusion	O
was	O
released	O
on	O
November	O
5	O
,	O
2004	O
for	O
the	O
same	O
systems	O
.	O
</s>
<s>
The	O
original	B-Device
PlayStation	I-Device
releases	O
used	O
a	O
variant	O
of	O
the	O
4thMix	B-Application
engine	O
,	O
while	O
also	O
incorporating	O
the	O
announcer	O
from	O
DDR	B-Application
Solo	O
2000	O
,	O
though	O
Solo	O
Mode	O
is	O
absent	O
.	O
</s>
<s>
Fever	O
also	O
incorporates	O
some	O
menu	O
music	B-Application
from	O
5thMix	O
.	O
</s>
<s>
These	O
releases	O
omit	O
freeze	O
arrows	O
and	O
include	O
fewer	O
songs	O
than	O
their	O
PlayStation	B-Device
2	O
counterparts	O
.	O
</s>
<s>
Dance	B-Application
Dance	I-Application
Revolution	I-Application
4thMix	I-Application
adds	O
49	O
new	O
songs	O
and	O
removes	O
one	O
older	O
song	O
,	O
for	O
a	O
total	O
of	O
136	O
songs	O
.	O
</s>
<s>
Dance	B-Application
Dance	I-Application
Revolution	I-Application
4thMix	I-Application
Plus	I-Application
adds	O
14	O
new	O
songs	O
and	O
automatically	O
unlocks	O
the	O
12	O
locked	O
songs	O
in	O
4thMix	B-Application
,	O
bringing	O
the	O
playlist	O
to	O
a	O
total	O
of	O
150	O
songs	O
.	O
</s>
<s>
Songs	O
that	O
are	O
new	O
to	O
4thMix	B-Application
Plus	O
also	O
return	O
in	O
the	O
5thMix	O
soundtrack	O
and	O
arcade	B-Application
game	O
,	O
while	O
the	O
4thMix	B-Application
locked	O
songs	O
are	O
also	O
automatically	O
unlocked	O
in	O
5thMix	O
.	O
</s>
<s>
Of	O
the	O
14	O
new	O
songs	O
,	O
only	O
four	O
returned	O
in	O
the	O
main	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
arcade	B-Application
series	O
after	O
5thMix	O
.	O
</s>
<s>
Two	O
songs	O
,	O
which	O
are	O
remixes	O
of	O
"	O
Rhythm	O
and	O
Police	O
"	O
and	O
"	O
Synchronized	O
Love	O
"	O
,	O
returned	O
exclusively	O
in	O
the	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
Extreme	I-Application
arcade	B-Application
game	O
in	O
Japan	O
and	O
the	O
DDRMAX	B-Application
PlayStation	B-Device
2	O
game	O
in	O
North	O
America	O
.	O
</s>
<s>
Two	O
other	O
songs	O
,	O
"	O
Celebrate	O
Nite	O
"	O
and	O
"	O
Sexy	O
Planet	O
"	O
,	O
are	O
Naoki	O
Maeda	O
compositions	O
that	O
premiered	O
in	O
Dancing	B-Application
Stage	I-Application
featuring	O
True	O
Kiss	O
Destination	O
and	O
returned	O
in	O
DDR	B-Application
Solo	O
2000	O
.	O
</s>
<s>
4thMix	B-Application
Plus	O
introduced	O
these	O
songs	O
to	O
the	O
main	O
DDR	B-Application
series	O
.	O
</s>
<s>
With	O
the	O
exception	O
of	O
DDRMAX	B-Application
,	O
these	O
songs	O
were	O
subsequently	O
kept	O
in	O
every	O
main	O
DDR	B-Application
release	O
,	O
including	O
the	O
current	O
title	O
,	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
A20	I-Application
.	O
</s>
<s>
Dance	B-Application
Dance	I-Application
Revolution	I-Application
5thMix	O
is	O
the	O
fifth	O
game	O
in	O
the	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
series	O
.	O
</s>
<s>
All	O
of	O
the	O
18	O
new	O
licenses	O
in	O
5thMix	O
,	O
plus	O
the	O
two	O
long	O
versions	O
of	O
Konami	O
originals	O
,	O
do	O
not	O
return	O
in	O
subsequent	O
DDR	B-Application
arcade	B-Application
releases	O
.	O
</s>
<s>
"	O
Never	O
Ending	O
Story	O
"	O
and	O
"	O
Test	O
My	O
Best	O
"	O
,	O
however	O
,	O
return	O
in	O
Dancing	B-Application
Stage	I-Application
EuroMix	O
2	O
.	O
</s>
<s>
Additionally	O
,	O
this	O
does	O
not	O
include	O
"	O
Ca	O
n't	O
Stop	O
Fallin	O
 '	O
In	O
Love	O
"	O
by	O
Naoki	O
,	O
which	O
was	O
originally	O
deemed	O
to	O
be	O
a	O
license	O
,	O
but	O
was	O
reclassified	O
as	O
a	O
Konami	O
original	O
in	O
DDRMAX2	B-Application
and	O
EuroMix	O
2	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
version	O
of	O
Dancing	B-Application
Stage	I-Application
Party	O
Edition	O
received	O
a	O
"	O
Platinum	O
"	O
sales	O
award	O
from	O
the	O
Entertainment	O
and	O
Leisure	O
Software	O
Publishers	O
Association	O
(	O
ELSPA	O
)	O
,	O
indicating	O
sales	O
of	O
at	O
least	O
300,000	O
copies	O
in	O
the	O
United	O
Kingdom	O
.	O
</s>
