<s>
(	O
DDR	B-Application
)	O
is	O
a	O
music	B-Application
video	I-Application
game	I-Application
,	O
the	O
14th	O
installment	O
of	O
the	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
series	O
,	O
and	O
the	O
sequel	O
to	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
X3	I-Application
vs.	I-Application
2ndMix	I-Application
.	O
</s>
<s>
After	O
the	O
release	O
of	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
in	O
2014	O
,	O
the	O
15th	O
installment	O
,	O
it	O
was	O
succeeded	O
by	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
A	I-Application
in	O
2016	O
.	O
</s>
<s>
The	O
game	O
was	O
first	O
revealed	O
by	O
Konami	O
on	O
October	O
24	O
,	O
2012	O
through	O
DDR	B-Application
Staff	O
Blog	O
,	O
announcing	O
that	O
the	O
first	O
location	O
test	O
will	O
be	O
held	O
on	O
October	O
26	O
,	O
2012	O
in	O
Akihabara	O
,	O
Tokyo	O
.	O
</s>
<s>
In	O
addition	O
,	O
"	O
GOOD	O
"	O
judgment	O
no	O
longer	O
breaks	O
the	O
player	O
's	O
combo	O
,	O
instead	O
counting	O
towards	O
it	O
,	O
similar	O
to	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
.	O
</s>
<s>
PASELI	O
service	O
,	O
initially	O
introduced	O
in	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
X2	I-Application
is	O
usable	O
in	O
the	O
game	O
.	O
</s>
<s>
Players	O
are	O
required	O
to	O
obtain	O
9	O
stars	O
decided	O
by	O
the	O
player	O
's	O
grades	O
as	O
in	O
DDR	B-Application
X3	I-Application
vs	O
2ndMix	O
.	O
</s>
<s>
Starting	O
in	O
May	O
2014	O
,	O
if	O
any	O
player	O
earned	O
an	O
Extra	O
Stage	O
,	O
can	O
access	O
a	O
new	O
music	B-Application
folder	O
,	O
Extra	O
Attack	O
,	O
containing	O
new	O
songs	O
.	O
</s>
<s>
A	O
"	O
Survived	O
Bonus	O
"	O
gauge	O
can	O
be	O
filled	O
by	O
playing	O
these	O
songs	O
;	O
passing	O
the	O
songs	O
will	O
unlock	O
the	O
stepchart	B-Application
the	O
player	O
played	O
on	O
.	O
</s>
<s>
Challenge	O
stepcharts	B-Application
for	O
several	O
songs	O
are	O
also	O
available	O
under	O
an	O
additional	O
folder	O
,	O
accessible	O
for	O
a	O
limited	O
period	O
from	O
time	O
to	O
time	O
,	O
which	O
forces	O
players	O
to	O
play	O
with	O
Sudden	O
Death	O
dance	O
meter	O
(	O
scoring	O
a	O
single	O
"	O
MISS	O
"	O
or	O
"	O
N.G.	O
"	O
</s>
<s>
Among	O
the	O
BEMANI	O
games	O
that	O
participate	O
in	O
the	O
event	O
other	O
than	O
DDR	B-Application
include	O
beatmaniaIIDX	B-Application
,	O
pop'n	B-Application
music	I-Application
,	O
GITADORA	B-Application
,	O
jubeat	B-Application
,	O
and	O
REFLEC	O
BEAT	O
.	O
</s>
<s>
What	O
game	O
the	O
player	O
played	O
would	O
also	O
influence	O
the	O
increasing	O
rate	O
of	O
the	O
meter	O
;	O
for	O
example	O
,	O
playing	O
DDR	B-Application
would	O
boost	O
the	O
rate	O
to	O
unlock	O
the	O
song	O
by	O
TAG	O
and	O
U1-ASAMi	O
(	O
Synergy	O
for	O
Angels	O
)	O
by	O
5	O
times	O
,	O
but	O
it	O
would	O
also	O
decrease	O
the	O
rate	O
to	O
unlock	O
the	O
song	O
by	O
猫叉Master+	O
(	O
Nekomata	O
Master+	O
)	O
and	O
L.E.D.	O
</s>
<s>
In	O
addition	O
,	O
while	O
not	O
fully	O
participating	O
in	O
the	O
event	O
,	O
playing	O
Dance	O
Evolution	O
ARCADE	O
,	O
Sound	B-Application
Voltex	I-Application
,	O
and	O
Quiz	O
Magic	O
Academy	O
Kenja	O
no	O
Tobira	O
Season2	O
would	O
also	O
help	O
boost	O
the	O
friendship	O
meter	O
.	O
</s>
<s>
Triple	O
Journey	O
,	O
a	O
collaboration	O
event	O
between	O
DDR	B-Application
,	O
jubeat	B-Application
,	O
and	O
GITADORA	B-Application
started	O
on	O
August	O
1	O
,	O
2013	O
and	O
ended	O
on	O
September	O
2	O
,	O
2013	O
,	O
coinciding	O
with	O
a	O
related	O
BEMANI	O
event	O
,	O
Kupuro	O
Mimi-Nyami	O
Pastel-kun	O
no	O
Minnade	O
Uchū	O
Sensō	O
.	O
</s>
<s>
All	O
games	O
participating	O
in	O
Private	O
BEMANI	O
Academy	O
returned	O
to	O
participate	O
in	O
this	O
event	O
again	O
,	O
with	O
SOUND	B-Application
VOLTEX	I-Application
now	O
fully	O
participating	O
in	O
the	O
event	O
and	O
also	O
receive	O
the	O
new	O
songs	O
;	O
newcomer	O
include	O
ミライダガッキ	O
FutureTomTom	O
.	O
</s>
<s>
The	O
10th	O
floor	O
infection	O
event	O
between	O
DDR	B-Application
and	O
SOUND	B-Application
VOLTEX	I-Application
II	I-Application
-infinite	O
infection	O
-	O
(	O
and	O
III	O
-Gravity	O
Wars	O
-	O
)	O
ran	O
from	O
June	O
26	O
to	O
July	O
10	O
,	O
2014	O
,	O
with	O
additional	O
rerun	O
from	O
July	O
30	O
to	O
August	O
6	O
,	O
2014	O
.	O
</s>
<s>
Similar	O
to	O
previous	O
Floor	O
Infection	O
events	O
,	O
by	O
playing	O
SOUND	B-Application
VOLTEX	I-Application
,	O
players	O
can	O
raise	O
a	O
meter	O
,	O
which	O
upon	O
reaching	O
a	O
certain	O
level	O
will	O
unlock	O
a	O
new	O
song	O
in	O
DDR	B-Application
.	O
</s>
<s>
The	O
participating	O
games	O
other	O
than	O
DDR	B-Application
are	O
beatmaniaIIDX	B-Application
,	O
pop'n	B-Application
music	I-Application
,	O
GITADORA	B-Application
,	O
jubeat	B-Application
,	O
REFLEC	O
BEAT	O
,	O
SOUND	B-Application
VOLTEX	I-Application
,	O
Dance	O
Evolution	O
ARCADE	O
,	O
ミライダガッキ	O
FutureTomTom	O
,	O
and	O
BeatStream	O
.	O
</s>
<s>
All	O
games	O
have	O
their	O
own	O
pyramids	O
with	O
the	O
exception	O
of	O
SOUND	B-Application
VOLTEX	I-Application
,	O
Dance	O
Evolution	O
,	O
and	O
BeatStream	O
,	O
which	O
can	O
be	O
played	O
to	O
boost	O
the	O
rate	O
to	O
unlock	O
songs	O
on	O
other	O
games	O
.	O
</s>
<s>
The	O
continuation	O
of	O
"	O
Replicant	O
D-Action	O
"	O
event	O
from	O
DDR	B-Application
X2	I-Application
,	O
this	O
event	O
,	O
available	O
since	O
March	O
5	O
,	O
2015	O
,	O
once	O
again	O
allowed	O
players	O
to	O
unlock	O
a	O
new	O
folder	O
containing	O
six	O
new	O
boss	O
songs	O
.	O
</s>
<s>
One	O
could	O
choose	O
to	O
pick	O
one	O
out	O
of	O
5	O
nitro	O
tubes	O
(	O
and	O
thus	O
five	O
songs	O
)	O
to	O
fill	O
;	O
once	O
it	O
is	O
full	O
,	O
players	O
gained	O
access	O
to	O
the	O
D-Ignition	O
folder	O
during	O
Extra	O
Stage	O
,	O
which	O
had	O
a	O
different	O
interface	O
and	O
system	O
music	B-Application
.	O
</s>
<s>
(	O
period	O
)	O
in	O
Extra	O
Stage	O
in	O
all	O
difficulties	O
,	O
including	O
Challenge	O
(	O
a	O
different	O
stepchart	B-Application
from	O
the	O
one	O
found	O
in	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
Extreme	I-Application
)	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
3rd	O
and	O
4th	O
entries	O
feature	O
Baby-Lon	O
(	O
representing	O
DDR	B-Application
)	O
and	O
Pastel-kun	O
(	O
representing	O
REFLEC	O
BEAT	O
)	O
.	O
</s>
<s>
In	O
filling	O
the	O
3rd	O
entry	O
,	O
one	O
of	O
these	O
games	O
can	O
be	O
played	O
for	O
the	O
3x	O
multiplier	O
,	O
but	O
only	O
DDR	B-Application
will	O
receive	O
a	O
new	O
song	O
,	O
Sakura	O
Mirage	O
.	O
</s>
<s>
The	O
entries	O
are	O
to	O
be	O
filled	O
consecutively	O
;	O
one	O
cannot	O
jump	O
to	O
the	O
3rd	O
entry	O
to	O
unlock	O
a	O
song	O
for	O
DDR	B-Application
,	O
but	O
instead	O
have	O
to	O
fill	O
the	O
1st	O
and	O
2nd	O
entries	O
(	O
for	O
beatmania	B-Application
IIDX	I-Application
and	O
SOUND	B-Application
VOLTEX	I-Application
BOOTH	I-Application
)	O
first	O
.	O
</s>
<s>
In	O
DDR	B-Application
2013	I-Application
,	O
there	O
are	O
102	O
new	O
songs	O
of	O
599	O
total	O
.	O
</s>
<s>
In	O
DDR	B-Application
2014	I-Application
,	O
there	O
are	O
94	O
new	O
songs	O
of	O
671	O
total	O
.	O
</s>
<s>
The	O
first	O
volume	O
,	O
titled	O
DanceDanceRevolution	B-Application
Original	O
Soundtrack	O
Vol.1	O
was	O
announced	O
on	O
August	O
28	O
,	O
2013	O
and	O
released	O
on	O
October	O
23	O
,	O
2013	O
.	O
</s>
<s>
The	O
soundtrack	O
also	O
includes	O
two	O
songs	O
from	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
X3	I-Application
vs.	I-Application
2ndMix	I-Application
that	O
were	O
not	O
included	O
in	O
that	O
game	O
's	O
soundtrack	O
.	O
</s>
<s>
The	O
second	O
volume	O
,	O
titled	O
DanceDanceRevolution	B-Application
Original	O
Soundtrack	O
Vol.2	O
was	O
announced	O
on	O
November	O
25	O
,	O
2015	O
and	O
released	O
on	O
December	O
2	O
,	O
2015	O
in	O
digital	O
format	O
only	O
.	O
</s>
<s>
It	O
also	O
features	O
several	O
long	O
version	O
of	O
songs	O
previously	O
exclusive	O
to	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
(	O
2010	O
)	O
and	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
II	I-Application
,	O
which	O
were	O
never	O
released	O
in	O
Japan	O
,	O
plus	O
two	O
new	O
long	O
versions	O
,	O
Elysium	O
(	O
Original	O
Size	O
)	O
and	O
Freeze	O
(	O
Original	O
Size	O
)	O
.	O
</s>
