<s>
IIDX	B-Application
has	O
since	O
spawned	O
31	O
arcade	O
releases	O
and	O
14	O
console	O
releases	O
on	O
the	O
Sony	B-Device
PlayStation	I-Device
2	I-Device
.	O
</s>
<s>
It	O
is	O
the	O
sequel	O
to	O
the	O
beatmania	B-Application
game	I-Application
series	O
,	O
and	O
part	O
of	O
the	O
Bemani	O
line	O
of	O
music	B-Application
games	I-Application
.	O
</s>
<s>
A	O
PC	O
release	O
titled	O
beatmania	B-Application
IIDX	I-Application
INFINITAS	O
has	O
been	O
released	O
,	O
beginning	O
alpha	O
testing	O
in	O
September	O
2015	O
,	O
and	O
was	O
heavily	O
updated	O
to	O
a	O
new	O
version	O
in	O
2020	O
.	O
</s>
<s>
Beatmania	B-Application
IIDX	I-Application
tasks	O
the	O
player	O
with	O
performing	O
songs	O
through	O
a	O
controller	O
consisting	O
of	O
seven	O
key	O
buttons	O
and	O
a	O
scratchable	O
turntable	O
.	O
</s>
<s>
Starting	O
from	O
beatmania	B-Application
IIDX	I-Application
17	I-Application
SIRIUS	I-Application
,	O
two	O
new	O
note	O
types	O
are	O
added	O
.	O
</s>
<s>
beatmania	B-Application
IIDX	I-Application
23	I-Application
copula	I-Application
introduced	O
a	O
variation	O
called	O
Hell	O
Charge	O
Notes	O
,	O
which	O
refill	O
the	O
gauge	O
when	O
held	O
down	O
but	O
rapidly	O
deplete	O
it	O
when	O
not	O
.	O
</s>
<s>
From	O
beatmania	B-Application
IIDX	I-Application
to	O
beatmania	B-Application
IIDX	I-Application
4th	O
Style	O
,	O
song	O
difficulty	O
ranged	O
from	O
Level	O
1	O
to	O
Level	O
7	O
.	O
beatmania	B-Application
IIDX	I-Application
5th	I-Application
Style	I-Application
introduced	O
flashing	O
Level	O
7s	O
as	O
the	O
new	O
top	O
difficulty	O
.	O
</s>
<s>
Flashing	O
7s	O
gave	O
way	O
to	O
Level	O
8	O
difficulty	O
in	O
beatmania	B-Application
IIDX	I-Application
10th	I-Application
Style	I-Application
,	O
and	O
Level	O
8+	O
was	O
added	O
in	O
beatmania	B-Application
IIDX	I-Application
11	O
IIDXRED	O
.	O
</s>
<s>
The	O
version	O
immediately	O
after	O
,	O
beatmania	B-Application
IIDX	I-Application
12	O
HAPPY	O
SKY	O
,	O
introduced	O
a	O
new	O
difficulty	O
scale	O
,	O
from	O
Level	O
1	O
to	O
Level	O
12	O
,	O
which	O
has	O
remained	O
the	O
standard	O
.	O
</s>
<s>
Like	O
most	O
BEMANI	O
titles	O
,	O
Beatmania	B-Application
IIDX	I-Application
has	O
Extra	O
Stage	O
and	O
One	O
More	O
Extra	O
Stage	O
songs	O
,	O
commonly	O
known	O
as	O
ES	O
and	O
OMES	O
respectively	O
.	O
</s>
<s>
When	O
Extra	O
Stage	O
was	O
introduced	O
in	O
beatmania	B-Application
IIDX	I-Application
3rd	I-Application
Style	I-Application
,	O
there	O
was	O
no	O
new	O
song	O
to	O
unlock	O
,	O
and	O
the	O
player	O
simply	O
got	O
to	O
play	O
an	O
extra	O
song	O
.	O
</s>
<s>
beatmania	B-Application
IIDX	I-Application
7th	I-Application
Style	I-Application
was	O
the	O
first	O
to	O
have	O
an	O
unlockable	O
song	O
only	O
available	O
on	O
Extra	O
Stage	O
,	O
and	O
also	O
introduced	O
the	O
One	O
More	O
Extra	O
Stage	O
.	O
</s>
<s>
beatmania	B-Application
IIDX	I-Application
13	O
DistorteD	O
was	O
the	O
first	O
title	O
with	O
an	O
Extra	O
Stage	O
system	O
exclusive	O
to	O
players	O
using	O
an	O
e-AMUSEMENT	B-Application
pass	O
;	O
it	O
also	O
included	O
multiple	O
Extra	O
Stages	O
that	O
had	O
to	O
be	O
cleared	O
under	O
certain	O
requirements	O
to	O
unlock	O
the	O
One	O
More	O
Extra	O
Stage	O
.	O
</s>
<s>
beatmania	B-Application
IIDX	I-Application
14	O
GOLD	O
saw	O
the	O
return	O
of	O
the	O
standard	O
ES	O
and	O
OMES	O
songs	O
,	O
alongside	O
another	O
multiple	O
Extra	O
Stage	O
system	O
.	O
</s>
<s>
The	O
setup	O
of	O
having	O
two	O
systems	O
per	O
game	O
(	O
standard	O
system	O
and	O
e-AMUSEMENT	B-Application
system	O
)	O
continued	O
until	O
beatmania	B-Application
IIDX	I-Application
18	I-Application
Resort	I-Application
Anthem	I-Application
,	O
where	O
the	O
standard	O
ES	O
and	O
OMES	O
stood	O
alongside	O
a	O
new	O
song	O
unlock	O
system	O
tied	O
to	O
a	O
player	O
's	O
e-AMUSEMENT	B-Application
pass	O
.	O
</s>
<s>
beatmania	B-Application
IIDX	I-Application
19	I-Application
Lincle	I-Application
brought	O
back	O
the	O
multiple	O
Extra	O
Stage	O
system	O
,	O
in	O
the	O
form	O
of	O
Lincle	O
Kingdom	O
,	O
while	O
retaining	O
the	O
standard	O
ES	O
and	O
OMES	O
setup	O
.	O
</s>
<s>
beatmania	B-Application
IIDX	I-Application
20	I-Application
tricoro	I-Application
replaces	O
the	O
standard	O
Extra	O
Stage	O
with	O
"	O
LIMIT	O
BURST	O
"	O
,	O
which	O
allows	O
seven	O
different	O
Extra	O
Stage	O
songs	O
to	O
be	O
played	O
.	O
</s>
<s>
Most	O
Extra	O
Stage	O
songs	O
debut	O
in	O
their	O
respective	O
Beatmania	B-Application
IIDX	I-Application
games	O
,	O
but	O
there	O
are	O
some	O
Extra	O
Stage	O
songs	O
(	O
esp	O
.	O
</s>
<s>
Examples	O
include	O
"	O
neu	O
"	O
from	O
pop'n	B-Application
music	I-Application
15	I-Application
ADVENTURE	I-Application
,	O
"	O
JOMANDA	O
"	O
from	O
jubeat	O
copious	O
,	O
and	O
"	O
New	O
Decade	O
"	O
from	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
X2	I-Application
,	O
which	O
got	O
a	O
specially	O
cut	O
version	O
of	O
the	O
song	O
for	O
its	O
IIDX	B-Application
chart	O
.	O
</s>
<s>
In	O
1997	O
,	O
Konami	O
distributed	O
its	O
Games	O
&	O
Music	B-Application
Division	O
's	O
(	O
G.M.D.	O
)	O
</s>
<s>
Beatmania	B-Application
in	O
Japan	O
as	O
a	O
DJ-themed	O
arcade	O
title	O
,	O
significantly	O
influencing	O
rhythm	O
games	O
.	O
</s>
<s>
Its	O
surprise	O
success	O
influenced	O
the	O
developer	O
to	O
rename	O
itself	O
Bemani	O
,	O
a	O
portmanteau	O
of	O
"	O
Beatmania	B-Application
"	O
,	O
and	O
the	O
studio	O
made	O
several	O
spinoffs	O
following	O
its	O
release	O
,	O
including	O
Pop'n	B-Application
Music	I-Application
and	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
.	O
</s>
<s>
Bemani	O
initially	O
conceived	O
and	O
developed	O
Beatmania	B-Application
IIDX	I-Application
as	O
a	O
sequel	O
to	O
Beatmania	B-Application
,	O
and	O
Konami	O
released	O
it	O
in	O
Japan	O
in	O
1999	O
.	O
</s>
<s>
The	O
development	O
team	O
designed	O
the	O
game	O
to	O
simulate	O
the	O
experience	O
of	O
an	O
actual	O
DJ	O
performing	O
music	B-Application
at	O
a	O
real	O
venue	O
,	O
and	O
gave	O
it	O
a	O
"	O
club	O
Visual	O
Jockey	O
feel.	O
"	O
</s>
<s>
The	O
original	O
IIDX	B-Application
gained	O
a	O
post-release	O
reception	O
from	O
video	O
game	O
publications	O
.	O
</s>
<s>
He	O
called	O
the	O
game	O
"	O
a	O
rocky	O
start	O
"	O
for	O
the	O
Beatmania	B-Application
IIDX	I-Application
series	O
,	O
since	O
it	O
had	O
music	B-Application
from	O
Beatmanias	B-Application
first	O
two	O
iterations	O
(	O
1st	O
Mix	O
and	O
2nd	O
Mix	O
)	O
paired	O
with	O
new	O
tracks	O
and	O
remixes	O
.	O
</s>
<s>
According	O
to	O
Foster	O
,	O
many	O
players	O
were	O
initially	O
not	O
impressed	O
with	O
performing	O
old	O
songs	O
on	O
upgraded	O
hardware	O
,	O
so	O
they	O
switched	O
to	O
Beatmania	B-Application
4th	I-Application
Mix	I-Application
.	O
</s>
<s>
Bryn	O
Williams	O
of	O
GameSpy	O
found	O
IIDX	B-Application
to	O
be	O
harder	O
than	O
the	O
original	O
Beatmania	B-Application
,	O
because	O
songs	O
that	O
take	O
advantage	O
of	O
its	O
seven	O
keys	O
have	O
more	O
notes	O
than	O
those	O
made	O
for	O
five	O
keys	O
.	O
</s>
<s>
Konami	O
decided	O
to	O
link	O
Beatmania	B-Application
IIDX	I-Application
Club	I-Application
Version	I-Application
(	O
later	O
Substream	B-Application
)	O
cabinets	O
with	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
2ndMix	I-Application
machines	O
for	O
simultaneous	O
play	O
,	O
leading	O
to	O
increased	O
success	O
.	O
</s>
<s>
In	O
late	O
1999	O
,	O
the	O
publisher	O
hired	O
artist	O
Goli	O
to	O
design	O
graphics	O
and	O
characters	O
for	O
Beatmania	B-Application
IIDX	I-Application
2nd	O
Style	O
.	O
</s>
<s>
The	O
next	O
game	O
in	O
the	O
IIDX	B-Application
series	O
,	O
3rd	B-Application
Style	I-Application
,	O
featured	O
a	O
new	O
aesthetic	O
and	O
was	O
ported	O
to	O
the	O
PlayStation	B-Device
2	I-Device
.	O
</s>
<s>
In	O
2002	O
,	O
8th	B-Application
Style	I-Application
was	O
released	O
after	O
the	O
discontinuation	O
of	O
the	O
original	O
five-key	O
Beatmania	B-Application
.	O
</s>
<s>
Foster	O
said	O
the	O
updates	O
popularized	O
the	O
game	O
to	O
the	O
point	O
that	O
it	O
overshadowed	O
Beatmania	B-Application
,	O
and	O
IIDX	B-Application
earned	O
more	O
new	O
songs	O
and	O
became	O
known	O
for	O
being	O
very	O
difficult	O
.	O
</s>
<s>
A	O
sequel	O
with	O
a	O
five-key	O
controller	O
,	O
Beatmania	B-Application
III	I-Application
,	O
was	O
released	O
in	O
2000	O
.	O
</s>
<s>
A	O
video	O
game	O
named	O
Beatmania	B-Application
was	O
released	O
in	O
North	O
America	O
in	O
2006	O
.	O
</s>
<s>
In	O
2015	O
,	O
a	O
PC	O
release	O
titled	O
beatmania	B-Application
IIDX	I-Application
INFINITAS	O
was	O
announced	O
,	O
and	O
began	O
alpha	O
testing	O
in	O
September	O
.	O
</s>
<s>
The	O
beatmania	B-Application
IIDX	I-Application
cabinet	O
has	O
many	O
standard	O
features	O
that	O
are	O
found	O
in	O
traditional	O
arcade	O
cabinets	O
such	O
as	O
a	O
widescreen	O
display	O
,	O
powerful	O
speakers	O
,	O
and	O
start	O
buttons	O
.	O
</s>
<s>
Also	O
,	O
unique	O
to	O
IIDX	B-Application
cabinets	O
are	O
the	O
effector	O
buttons	O
and	O
sliders	O
,	O
a	O
bass	O
platform	O
transducer	O
,	O
marquee	O
,	O
and	O
DJ	O
simulating	O
controller	O
.	O
</s>
<s>
The	O
effector	O
buttons	O
and	O
sliders	O
allow	O
the	O
player	O
to	O
control	O
the	O
volume	O
levels	O
within	O
the	O
game	O
and	O
manipulate	O
the	O
music	B-Application
by	O
adding	O
additional	O
sound	O
effects	O
.	O
</s>
<s>
The	O
bass	O
platform	O
vibrates	O
beneath	O
the	O
player	O
's	O
feet	O
to	O
the	O
beat	O
of	O
the	O
music	B-Application
being	O
played	O
.	O
</s>
<s>
The	O
marquee	O
is	O
a	O
series	O
of	O
sixteen-segment	B-General_Concept
display	I-General_Concept
LEDs	O
,	O
used	O
to	O
display	O
game	O
information	O
and	O
scores	O
during	O
gameplay	O
.	O
</s>
<s>
beatmania	B-Application
IIDX	I-Application
controls	O
consist	O
two	O
sets	O
of	O
seven	O
keys	O
on	O
each	O
player	O
's	O
side	O
,	O
along	O
with	O
two	O
turntables	O
.	O
</s>
<s>
This	O
arrangement	O
mimics	O
the	O
F	O
,	O
F#	O
,	O
G	O
,	O
G#	O
,	O
A	O
,	O
A#	O
,	O
B	O
keys	O
on	O
a	O
musical	O
keyboard	O
,	O
though	O
beatmania	B-Application
keys	O
,	O
being	O
about	O
twice	O
as	O
long	O
as	O
they	O
are	O
wide	O
,	O
do	O
not	O
resemble	O
piano	O
keys	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
beatmania	B-Application
IIDX	I-Application
27	O
Heroic	O
Verse	O
,	O
a	O
new	O
cabinet	O
called	O
LIGHTNING	O
MODEL	O
was	O
introduced	O
.	O
</s>
<s>
Due	O
to	O
the	O
removal	O
of	O
the	O
slider	O
panel	O
,	O
the	O
start	O
buttons	O
have	O
been	O
relocated	O
to	O
the	O
upper-left	O
and	O
upper-right	O
of	O
the	O
1P	O
and	O
2P	O
keys	O
respectively	O
,	O
and	O
the	O
VEFX	O
and	O
EFFECT	O
buttons	O
are	O
located	O
above	O
the	O
coin	O
slot	O
,	O
as	O
with	O
5-key	O
beatmania	B-Application
machines	O
.	O
</s>
<s>
As	O
of	O
beatmania	B-Application
IIDX	I-Application
28	O
Bistrover	O
,	O
the	O
Premium	O
Area	O
can	O
be	O
used	O
to	O
search	O
for	O
and	O
bookmark	O
specific	O
songs	O
,	O
and	O
can	O
also	O
provide	O
more	O
detailed	O
information	O
about	O
player	O
scores	O
during	O
the	O
current	O
credit	O
.	O
</s>
<s>
Since	O
9th	O
Style	O
,	O
the	O
game	O
has	O
featured	O
integration	O
with	O
Konami	O
's	O
e-amusement	B-Application
platform	O
,	O
which	O
uses	O
a	O
card	O
inserted	O
at	O
the	O
beginning	O
of	O
the	O
game	O
to	O
save	O
stats	O
,	O
scores	O
,	O
allow	O
customization	O
,	O
and	O
track	O
scores	O
in	O
comparison	O
to	O
previous	O
plays	O
and	O
against	O
others	O
over	O
the	O
internet	O
.	O
</s>
<s>
From	O
Distorted	O
onwards	O
the	O
newer	O
type	O
Contactless	O
smartcard	O
Konami	B-Application
e-amusement	I-Application
Pass	O
system	O
has	O
been	O
used	O
.	O
</s>
<s>
9th	O
Style	O
did	O
not	O
require	O
an	O
internet	O
connection	O
to	O
use	O
a	O
subset	O
of	O
the	O
e-amusement	B-Application
functionality	O
,	O
but	O
10th	O
and	O
on	O
required	O
an	O
internet	O
connection	O
to	O
function	O
,	O
which	O
must	O
be	O
provided	O
by	O
a	O
subscription	O
from	O
Konami	O
.	O
</s>
<s>
Some	O
versions	O
can	O
customize	O
frames	O
,	O
BGM	O
in	O
SELECT	O
MUSIC	B-Application
screen	O
,	O
notes	O
,	O
etc	O
..	O
e-amusement	B-Application
is	O
not	O
available	O
outside	O
of	O
the	O
primary	O
markets	O
for	O
IIDX	B-Application
(	O
Japan	O
,	O
Asia	O
,	O
and	O
the	O
United	O
States	O
)	O
,	O
which	O
has	O
left	O
imported	O
machines	O
outside	O
of	O
Asia	O
without	O
full	O
access	O
to	O
hidden	O
songs	O
and	O
extra	O
stages	O
due	O
to	O
the	O
increasing	O
functionality	O
and	O
integration	O
of	O
e-amusement	B-Application
in	O
more	O
recent	O
styles	O
.	O
</s>
<s>
However	O
,	O
new	O
songs	O
from	O
e-amusement	B-Application
enabled	O
styles	O
can	O
still	O
be	O
accessed	O
on	O
console	O
versions	O
(	O
which	O
can	O
be	O
imported	O
from	O
Japan	O
)	O
or	O
in	O
INFINITAS	O
.	O
</s>
<s>
Games	O
prior	O
to	O
9th	O
style	O
use	O
PlayStation-based	O
hardware	O
called	O
the	O
Bemani	O
Twinkle	O
.	O
</s>
<s>
As	O
of	O
the	O
newest	O
cabinet	O
model	O
for	O
the	O
"	O
Lightning	O
"	O
cabinet	O
introduced	O
with	O
Beatmania	B-Application
IIDX	I-Application
27	O
:	O
Heroic	O
Verse	O
,	O
there	O
is	O
an	O
Nvidia	O
GTX	B-Device
1660	I-Device
,	O
an	O
Intel	O
Core	O
i5	O
9400F	O
,	O
8GB	O
of	O
DDR4	O
RAM	O
,	O
and	O
a	O
256GB	O
SATA	O
SSD	O
.	O
</s>
<s>
The	O
cabinets	O
also	O
use	O
a	O
custom	O
amplifier	O
in	O
addition	O
to	O
an	O
Asus	O
Xonar	O
XE	O
sound	O
card	O
,	O
and	O
run	O
a	O
limited	O
version	O
of	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
Konami	O
also	O
released	O
home	O
versions	O
of	O
IIDX	B-Application
for	O
the	O
PlayStation	B-Device
2	I-Device
console	O
in	O
Japan	O
.	O
</s>
<s>
The	O
CS	O
games	O
can	O
be	O
played	O
with	O
a	O
DualShock	B-Device
controller	O
or	O
with	O
a	O
special	O
controller	O
from	O
Konami	O
that	O
recreates	O
the	O
arcade	O
experience	O
.	O
</s>
<s>
As	O
of	O
October	O
2009	O
,	O
CS	O
versions	O
of	O
3rd	B-Application
Style	I-Application
through	O
Empress	O
have	O
been	O
released	O
(	O
note	O
that	O
3rd	O
CS	O
contains	O
songs	O
from	O
1st	O
through	O
3rd	O
AC	O
;	O
thus	O
,	O
there	O
are	O
no	O
1st	O
style	O
,	O
2nd	O
style	O
,	O
or	O
Substream	B-Application
CS	O
titles	O
)	O
;	O
additionally	O
,	O
there	O
is	O
a	O
PC	O
title	O
,	O
Beatmania	B-Application
IIDX	I-Application
Infinitas	O
,	O
that	O
does	O
n't	O
correspond	O
to	O
any	O
AC	O
style	O
however	O
,	O
is	O
very	O
closely	O
related	O
to	O
Sirius	O
in	O
look	O
and	O
feel	O
.	O
</s>
<s>
From	O
October	O
1998	O
to	O
March	O
31	O
,	O
2007	O
,	O
Beatmanias	B-Application
PlayStation	B-Device
ports	O
sold	O
more	O
than	O
one	O
million	O
copies	O
.	O
</s>
<s>
Music	B-Application
is	O
an	O
integral	O
part	O
of	O
the	O
beatmania	B-Application
IIDX	I-Application
series	O
.	O
</s>
<s>
Featuring	O
a	O
wide	O
selection	O
of	O
genres	O
and	O
artists	O
,	O
both	O
licensed	O
and	O
in-house	O
,	O
the	O
Beatmania	B-Application
IIDX	I-Application
series	O
is	O
well	O
known	O
for	O
its	O
original	O
music	B-Application
.	O
</s>
<s>
Konami	O
produces	O
an	O
original	O
soundtrack	O
of	O
each	O
game	O
,	O
usually	O
a	O
few	O
months	O
after	O
release	O
,	O
due	O
to	O
the	O
appeal	O
of	O
the	O
music	B-Application
.	O
</s>
<s>
Konami	O
also	O
releases	O
original	O
albums	O
by	O
Beatmania	B-Application
IIDX	I-Application
artists	O
through	O
its	O
online	O
store	O
,	O
Konamistyle	O
.	O
</s>
<s>
It	O
's	O
also	O
a	O
tradition	O
that	O
Konami	O
crossovers	O
some	O
songs	O
from	O
and	O
into	O
other	O
Bemani	O
games	O
such	O
as	O
Pop'n	B-Application
Music	I-Application
,	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
,	O
and	O
Sound	B-Application
Voltex	I-Application
.	O
</s>
<s>
The	O
current	O
release	O
,	O
beatmania	B-Application
IIDX	I-Application
29	O
CastHour	O
,	O
features	O
a	O
library	O
of	O
over	O
1500	O
songs	O
.	O
</s>
<s>
Arcade	O
versions	O
since	O
9th	O
Style	O
run	O
on	O
Bemani	O
PC	O
,	O
rather	O
than	O
the	O
PlayStation-based	O
Bemani	O
Twinkle	O
,	O
allowing	O
them	O
to	O
have	O
more	O
songs	O
with	O
higher	O
quality	O
sound	O
due	O
to	O
larger	O
hard	O
drives	O
and	O
higher	O
end	O
hardware	O
.	O
</s>
<s>
Songs	O
often	O
include	O
music	B-Application
videos	O
when	O
played	O
,	O
although	O
only	O
some	O
songs	O
contain	O
dedicated	O
videos	O
.	O
</s>
<s>
Beginning	O
with	O
beatmania	B-Application
IIDX	I-Application
19	I-Application
Lincle	I-Application
,	O
players	O
can	O
select	O
Qpro	O
characters	O
or	O
customize	O
them	O
,	O
and	O
some	O
songs	O
show	O
Qpros	O
as	O
part	O
of	O
overlays	O
(	O
exc	O
.	O
</s>
<s>
in	O
beatmania	B-Application
IIDX	I-Application
Infinitas	O
,	O
due	O
to	O
Qpros	O
being	O
unsupported	O
)	O
.	O
</s>
<s>
Beginning	O
with	O
beatmania	B-Application
IIDX	I-Application
20	I-Application
tricoro	I-Application
,	O
overlays	O
of	O
some	O
songs	O
were	O
removed	O
,	O
and	O
in	O
beatmania	B-Application
IIDX	I-Application
9th	O
Style	O
,	O
the	O
effector	O
system	O
is	O
not	O
available	O
,	O
both	O
due	O
to	O
hardware	O
limitations	O
.	O
</s>
<s>
Beginning	O
with	O
beatmania	B-Application
IIDX	I-Application
25	O
CANNON	O
BALLERS	O
,	O
the	O
effector	O
system	O
is	O
expanded	O
to	O
8	O
effect	O
options	O
,	O
adjunt	O
with	O
EQ	O
ONLY	O
.	O
</s>
<s>
In	O
mobile	O
games	O
and	O
in	O
beatmania	B-Application
IIDX	I-Application
Infinitas	O
(	O
2015	O
)	O
,	O
the	O
effector	O
system	O
is	O
disabled	O
.	O
</s>
<s>
The	O
beatmania	B-Application
IIDX	I-Application
series	O
has	O
been	O
released	O
in	O
the	O
home	O
video	O
game	O
market	O
in	O
addition	O
to	O
its	O
arcade	O
releases	O
.	O
</s>
<s>
To	O
date	O
,	O
the	O
only	O
video	O
game	O
system	O
to	O
have	O
seen	O
a	O
IIDX	B-Application
game	O
is	O
the	O
Sony	B-Device
PlayStation	I-Device
2	I-Device
.	O
</s>
<s>
There	O
are	O
currently	O
fourteen	O
games	O
that	O
have	O
been	O
released	O
for	O
the	O
Japanese	O
PlayStation	B-Device
2	I-Device
,	O
3	O
mobile	O
games	O
,	O
one	O
PC	O
game	O
(	O
beatmania	B-Application
IIDX	I-Application
Infinitas	O
)	O
and	O
one	O
game	O
for	O
the	O
American	O
PlayStation	B-Device
2	I-Device
(	O
beatmania	B-Application
)	O
.	O
</s>
<s>
Arcade	O
versions	O
of	O
beatmania	B-Application
IIDX	I-Application
have	O
been	O
imported	O
to	O
the	O
United	O
States	O
from	O
Japan	O
during	O
its	O
lifetime	O
.	O
</s>
<s>
However	O
,	O
beginning	O
with	O
beatmania	B-Application
IIDX	I-Application
27	O
HEROIC	O
VERSE	O
in	O
LIGHTNING	O
MODEL	O
cabinet	O
format	O
,	O
the	O
game	O
has	O
seen	O
a	O
dedicated	O
North	O
American	O
build	O
specifically	O
for	O
use	O
in	O
the	O
United	O
States	O
,	O
due	O
to	O
the	O
increasing	O
presence	O
of	O
Round	O
One	O
arcades	O
.	O
</s>
<s>
Beatmania	B-Application
IIDX11	O
:	O
IIDXRED	O
(	O
with	O
RED	O
standing	O
for	O
"	O
Revolutionary	O
Energetic	O
Diversification	O
"	O
)	O
is	O
the	O
11th	O
game	O
in	O
the	O
beatmania	B-Application
IIDX	I-Application
series	O
of	O
music	B-Application
video	I-Application
games	I-Application
.	O
</s>
<s>
The	O
game	O
features	O
many	O
new	O
songs	O
,	O
some	O
of	O
which	O
are	O
unlocked	O
over	O
Konami	O
's	O
e-Amusement	B-Application
platform	O
.	O
</s>
<s>
Beatmania	B-Application
IIDX	I-Application
tasks	O
the	O
player	O
with	O
performing	O
songs	O
through	O
a	O
controller	O
consisting	O
of	O
seven	O
key	O
buttons	O
and	O
a	O
scratchable	O
turntable	O
.	O
</s>
<s>
The	O
core	O
gameplay	O
remains	O
the	O
same	O
in	O
IIDX	B-Application
RED	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
2	I-Device
version	O
of	O
IIDX	B-Application
RED	O
was	O
released	O
in	O
Japan	O
on	O
May	O
18	O
,	O
2006	O
.	O
</s>
<s>
The	O
game	O
also	O
features	O
2	O
songs	O
from	O
the	O
US	B-Application
Beatmania	I-Application
game	I-Application
(	O
Toxic	O
and	O
You	O
Really	O
Got	O
Me	O
)	O
with	O
new	O
Another	O
charts	O
.	O
</s>
<s>
It	O
is	O
considered	O
to	O
be	O
a	O
tribute	O
to	O
previous	O
issues	O
with	O
the	O
song	O
's	O
timing	O
windows	O
in	O
previous	O
versions	O
(	O
Gambol	O
's	O
problems	O
were	O
however	O
fixed	O
on	O
Beatmania	B-Application
IIDX	I-Application
12	O
:	O
Happy	O
Sky	O
)	O
.	O
</s>
<s>
Beatmania	B-Application
IIDX	I-Application
12	O
:	O
Happy	O
Sky	O
(	O
stylized	O
as	O
beatmania	B-Application
IIDX12	O
:	O
HAPPY	O
SKY	O
)	O
was	O
released	O
in	O
arcades	O
by	O
Konami	O
in	O
2005	O
.	O
</s>
<s>
The	O
game	O
features	O
over	O
45	O
new	O
songs	O
,	O
some	O
of	O
which	O
are	O
unlocked	O
over	O
Konami	O
's	O
e-Amusement	B-Application
platform	O
.	O
</s>
<s>
It	O
was	O
once	O
considered	O
one	O
of	O
the	O
most	O
difficult	O
songs	O
in	O
IIDX	B-Application
history	O
,	O
and	O
is	O
still	O
notoriously	O
difficult	O
to	O
clear	O
in	O
HARD	O
mode	O
due	O
to	O
the	O
slowdown	O
and	O
speed	O
up	O
in	O
the	O
middle	O
portion	O
.	O
</s>
<s>
Xepher	O
gained	O
more	O
exposure	O
outside	O
of	O
IIDX	B-Application
when	O
it	O
was	O
one	O
of	O
several	O
new	O
IIDX	B-Application
crossovers	O
featured	O
in	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
SuperNOVA	I-Application
,	O
and	O
later	O
as	O
part	O
of	O
a	O
set	O
of	O
Bemani	O
crossover	O
unlocks	O
in	O
Toy	O
's	O
March	O
2	O
(	O
which	O
also	O
included	O
Mei	O
)	O
.	O
</s>
<s>
DJ	O
Murasame	O
stated	O
in	O
a	O
"	O
bio	O
"	O
page	O
for	O
the	O
song	O
on	O
Konami	O
's	O
Happy	O
Sky	O
microsite	O
,	O
that	O
the	O
3	O
different	O
versions	O
could	O
be	O
played	O
together	O
one	O
after	O
the	O
other	O
at	O
once	O
,	O
and	O
suggested	O
a	O
situation	O
where	O
all	O
3	O
versions	O
could	O
be	O
played	O
sequentially	O
using	O
3	O
IIDX	B-Application
cabinets	O
next	O
to	O
each	O
other	O
.	O
</s>
<s>
Beatmania	B-Application
IIDX	I-Application
13	O
:	O
Distorted	O
(	O
stylized	O
as	O
beatmania	B-Application
IIDX13	O
:	O
DistorteD	O
)	O
was	O
released	O
in	O
arcades	O
by	O
Konami	O
in	O
2006	O
.	O
</s>
<s>
The	O
game	O
features	O
a	O
total	O
of	O
55	O
new	O
songs	O
,	O
some	O
of	O
which	O
are	O
unlocked	O
over	O
Konami	O
's	O
e-Amusement	B-Application
platform	O
.	O
</s>
<s>
Unlike	O
previous	O
versions	O
of	O
IIDX	B-Application
,	O
Distorted	O
features	O
4	O
different	O
extra	O
stages	O
in	O
a	O
setup	O
known	O
as	O
the	O
Cardinal	O
Gate	O
.	O
</s>
<s>
The	O
4	O
main	O
songs	O
are	O
identified	O
by	O
their	O
artists	O
in	O
the	O
menu	O
,	O
and	O
are	O
done	O
under	O
aliases	O
of	O
the	O
main	O
IIDX	B-Application
artists	O
.	O
</s>
<s>
When	O
a	O
Cardinal	O
Gate	O
song	O
was	O
beaten	O
,	O
its	O
corresponding	O
frame	O
would	O
be	O
unlocked	O
to	O
use	O
in	O
regular	O
play	O
using	O
Konami	O
's	O
IIDX	B-Application
mobile	O
site	O
.	O
</s>
<s>
Beatmania	B-Application
IIDX	I-Application
14	O
:	O
Gold	O
(	O
stylized	O
as	O
beatmania	B-Application
IIDX14	O
:	O
GOLD	O
)	O
,	O
the	O
14th	O
game	O
,	O
was	O
released	O
in	O
arcades	O
by	O
Konami	O
Digital	O
Entertainment	O
on	O
February	O
21	O
,	O
2007	O
.	O
</s>
<s>
The	O
game	O
features	O
over	O
45	O
new	O
songs	O
,	O
some	O
of	O
which	O
are	O
unlocked	O
over	O
Konami	O
's	O
e-Amusement	B-Application
platform	O
.	O
</s>
<s>
The	O
game	O
instituted	O
another	O
hardware	O
change	O
for	O
IIDX	B-Application
,	O
now	O
running	O
on	O
more	O
powerful	O
hardware	O
using	O
Windows	O
XP	O
Embedded	O
as	O
its	O
operating	O
system	O
.	O
</s>
<s>
Gold	O
was	O
the	O
first	O
version	O
of	O
Beatmania	B-Application
IIDX	I-Application
to	O
have	O
a	O
dedicated	O
English	O
build	O
for	O
the	O
North	O
American	O
market	O
.	O
</s>
<s>
As	O
with	O
other	O
music	B-Application
video	I-Application
games	I-Application
,	O
Japanese	O
IIDX	B-Application
machines	O
have	O
been	O
imported	O
by	O
some	O
arcades	O
,	O
but	O
are	O
still	O
considered	O
rare	O
.	O
</s>
<s>
This	O
is	O
not	O
the	O
first	O
time	O
a	O
Beatmania	B-Application
IIDX	I-Application
game	O
has	O
been	O
released	O
in	O
North	O
America	O
though	O
,	O
as	O
a	O
Beatmania	B-Application
game	I-Application
based	O
on	O
9th	O
Style	O
,	O
featuring	O
songs	O
from	O
IIDX	B-Application
,	O
and	O
the	O
original	O
Beatmania	B-Application
games	O
,	O
were	O
released	O
for	O
the	O
PlayStation	B-Device
2	I-Device
in	O
2006	O
.	O
</s>
<s>
The	O
English	O
build	O
of	O
IIDX	B-Application
Gold	O
was	O
never	O
released	O
.	O
</s>
<s>
Beatmania	B-Application
IIDX	I-Application
15	O
:	O
DJ	O
Troopers	O
,	O
the	O
15th	O
game	O
,	O
was	O
released	O
in	O
arcades	O
by	O
on	O
December	O
19	O
,	O
2007	O
,	O
and	O
a	O
version	O
for	O
the	O
PlayStation	B-Device
2	I-Device
was	O
released	O
on	O
December	O
18	O
,	O
2008	O
.	O
</s>
<s>
The	O
game	O
features	O
over	O
50	O
new	O
songs	O
,	O
some	O
of	O
which	O
are	O
unlocked	O
over	O
Konami	O
's	O
e-Amusement	B-Application
platform	O
.	O
</s>
