<s>
e-Amusement	B-Application
,	O
stylized	O
as	O
e-amusement	B-Application
,	O
is	O
an	O
online	O
service	O
operated	O
by	O
Konami	O
,	O
used	O
primarily	O
for	O
online	O
functionality	O
on	O
its	O
arcade	B-Application
video	I-Application
games	I-Application
.	O
</s>
<s>
The	O
system	O
uses	O
online	O
user	O
accounts	O
tied	O
to	O
a	O
contactless	O
smart	O
card	O
system	O
called	O
the	O
"	O
e-Amusement	B-Application
Pass	O
"	O
.	O
</s>
<s>
Users	O
log	O
into	O
an	O
e-Amusement	B-Application
enabled	O
game	O
by	O
holding	O
their	O
pass	O
up	O
to	O
the	O
card	O
reader	O
and	O
using	O
a	O
PIN	O
.	O
</s>
<s>
The	O
system	O
is	O
similar	O
to	O
parts	O
of	O
the	O
functionality	O
of	O
the	O
rival	O
Taito	B-Application
NESYS	I-Application
and	O
SEGA	B-Application
ALL.Net	I-Application
systems	O
.	O
</s>
<s>
Prior	O
to	O
2006	O
,	O
e-Amusement	B-Application
used	O
magnetic	O
stripe	O
cards	O
called	O
Entry	O
Passes	O
that	O
were	O
sold	O
separately	O
for	O
each	O
game	O
using	O
the	O
platform	O
,	O
either	O
from	O
an	O
arcade	O
desk	O
or	O
through	O
a	O
vending	O
machine	O
.	O
</s>
<s>
In	O
2006	O
,	O
Konami	O
began	O
to	O
phase	O
out	O
the	O
original	O
magnetic	O
card	O
system	O
in	O
favor	O
of	O
the	O
e-Amusement	B-Application
Pass	O
;	O
an	O
IC	O
contactless	O
smartcard	O
that	O
works	O
across	O
all	O
games	O
that	O
were	O
upgraded	O
to	O
use	O
the	O
new	O
system	O
.	O
</s>
<s>
However	O
,	O
only	O
smartphones	B-Application
sold	O
to	O
Japan	O
with	O
FeliCa	O
RFID	O
support	O
can	O
use	O
this	O
function	O
.	O
</s>
<s>
Beatmania	O
IIDX	O
is	O
one	O
of	O
the	O
prominent	O
games	O
using	O
the	O
e-Amusement	B-Application
service	O
.	O
</s>
<s>
When	O
registering	O
an	O
e-Amusement	B-Application
Pass	O
for	O
the	O
first	O
time	O
with	O
a	O
Beatmania	O
IIDX	O
machine	O
,	O
the	O
player	O
is	O
issued	O
a	O
"	O
IIDX	O
ID	O
"	O
.	O
</s>
<s>
Beatmania	O
IIDX	O
9th	O
Style	O
was	O
the	O
first	O
version	O
to	O
use	O
e-Amusement	B-Application
,	O
and	O
is	O
the	O
only	O
version	O
which	O
allows	O
use	O
of	O
the	O
card	O
readers	O
without	O
a	O
live	O
network	O
connection	O
.	O
</s>
<s>
All	O
subsequent	O
versions	O
require	O
a	O
direct	O
connection	O
to	O
Konami	O
's	O
e-Amusement	B-Application
service	O
for	O
the	O
card	O
readers	O
to	O
function	O
.	O
</s>
<s>
Beatmania	O
IIDX	O
13	O
:	O
DistorteD	O
was	O
the	O
first	O
version	O
to	O
use	O
the	O
new	O
"	O
e-Amusement	B-Application
Pass	O
"	O
,	O
previous	O
versions	O
used	O
the	O
magnetic	O
card	O
system	O
.	O
</s>
<s>
Dance	B-Application
Dance	I-Application
Revolution	I-Application
SuperNova	I-Application
was	O
the	O
first	O
ever	O
DDR	O
title	O
to	O
support	O
the	O
e-Amusement	B-Application
Pass	O
.	O
</s>
<s>
e-Amusement	B-Application
is	O
used	O
for	O
a	O
Rival	O
system	O
and	O
for	O
automatic	O
uploading	O
of	O
scores	O
to	O
Internet	O
Ranking	O
.	O
</s>
<s>
The	O
boss	O
songs	O
Fascination	O
MAXX	O
,	O
Fascination	O
~	O
eternal	O
love	O
mix	O
~	O
,	O
Healing-D-Vision	O
and	O
CHAOS	O
were	O
unlocked	O
to	O
machines	O
with	O
access	O
to	O
e-Amusement	B-Application
,	O
but	O
e-Amusement	B-Application
functionality	O
was	O
not	O
available	O
in	O
America	O
at	O
the	O
time	O
.	O
</s>
<s>
The	O
song	O
Beautiful	O
Life	O
by	O
ARIA	O
and	O
the	O
Nonstop	O
course	O
Back	O
Dancers	O
were	O
also	O
e-Amusement	B-Application
exclusives	O
,	O
only	O
appearing	O
from	O
September	O
to	O
October	O
to	O
promote	O
the	O
release	O
of	O
the	O
film	O
Back	O
Dancers	O
.	O
</s>
<s>
e-Amusement	B-Application
can	O
also	O
display	O
player	O
's	O
high	O
scores	O
(	O
similar	O
to	O
home	O
versions	O
)	O
as	O
well	O
as	O
display	O
the	O
overall	O
machine	O
,	O
regional	O
,	O
or	O
global	O
high	O
scores	O
which	O
would	O
be	O
presented	O
during	O
the	O
loading	O
screens	O
.	O
</s>
<s>
Most	O
of	O
e-Amusement	B-Application
functionality	O
from	O
SuperNova	O
is	O
retained	O
in	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
SuperNova	I-Application
2	I-Application
.	O
</s>
<s>
The	O
workout	O
feature	O
,	O
which	O
was	O
previously	O
exclusive	O
to	O
home	O
versions	O
,	O
is	O
integrated	O
within	O
arcade	O
series	O
using	O
e-Amusement	B-Application
.	O
</s>
<s>
e-Amusement	B-Application
is	O
required	O
to	O
participate	O
in	O
certain	O
events	O
,	O
such	O
as	O
"	O
Zukin	O
Wars	O
"	O
.	O
</s>
<s>
Players	O
are	O
also	O
offered	O
with	O
"	O
Original	O
Courses	O
"	O
,	O
custom	O
Nonstop	O
(	O
or	O
Challenge	O
)	O
courses	O
that	O
can	O
be	O
created	O
through	O
e-Amusement	B-Application
mobile	O
site	O
.	O
</s>
<s>
A	O
North	O
American	O
e-Amusement	B-Application
network	O
tested	O
for	O
SuperNova	O
2	O
,	O
with	O
the	O
sole	O
connected	O
unit	O
located	O
at	O
the	O
Brunswick	O
Bowling	O
and	O
Billiards	O
location	O
in	O
Naperville	O
,	O
Illinois	O
.	O
</s>
<s>
In	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
X	I-Application
,	O
along	O
with	O
the	O
reintroduced	O
Edit	O
Data	O
feature	O
(	O
which	O
was	O
absent	O
in	O
SuperNova	O
series	O
)	O
,	O
players	O
can	O
transmit	O
the	O
edits	O
to	O
other	O
machines	O
with	O
active	O
e-Amusement	B-Application
that	O
are	O
frequently	O
played	O
by	O
players	O
.	O
</s>
<s>
Players	O
can	O
also	O
pay	O
fees	O
to	O
e-Amusement	B-Application
mobile	O
site	O
to	O
enable	O
certain	O
options	O
,	O
such	O
as	O
displaying	O
player	O
's	O
high	O
scores	O
during	O
gameplay	O
and	O
change	O
the	O
position	O
of	O
combo	O
counter	O
.	O
</s>
<s>
Outside	O
of	O
Asia	O
,	O
no	O
DDR	B-Application
X	I-Application
machines	O
were	O
connected	O
to	O
the	O
e-Amusement	B-Application
network	O
.	O
</s>
<s>
The	O
new	O
cabinet	O
design	O
for	O
X	O
also	O
introduced	O
a	O
revised	O
card	O
reader	O
that	O
supports	O
data	O
from	O
e-Amusement	B-Application
.	O
</s>
<s>
From	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
SuperNova	I-Application
2	I-Application
to	O
Dance	O
Dance	O
Revolution	O
X2	O
,	O
unlock	O
codes	O
were	O
required	O
to	O
unlock	O
hidden	O
content	O
in	O
North	O
American	O
and	O
European	O
builds	O
of	O
DDR	O
.	O
</s>
<s>
The	O
North	O
American	O
release	O
of	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
A	I-Application
is	O
the	O
first	O
game	O
to	O
support	O
e-Amusement	B-Application
outside	O
of	O
Asia	O
.	O
</s>
<s>
Since	O
June	O
2017	O
,	O
an	O
e-Amusement	B-Application
pass	O
is	O
now	O
required	O
to	O
access	O
Challenge-only	O
charts	O
:	O
the	O
17	O
available	O
Challenge	O
remixes	O
from	O
DDRMAX2	B-Application
Dance	I-Application
Dance	I-Application
Revolution	I-Application
7thMix	I-Application
,	O
the	O
six	O
Groove	O
Radar	O
Specials	O
from	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
SuperNova	I-Application
2	I-Application
,	O
and	O
the	O
16	O
X-Specials	O
from	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
X	I-Application
.	O
</s>
<s>
In	O
previous	O
releases	O
,	O
and	O
prior	O
to	O
this	O
date	O
for	O
DDR	B-Application
A	I-Application
,	O
the	O
e-Amusement	B-Application
pass	O
was	O
optional	O
.	O
</s>
<s>
GuitarFreaks	B-Application
8th	O
Mix	O
DrumMania	B-Application
7th	O
Mix	O
were	O
the	O
first	O
GF/DM	O
games	O
to	O
support	O
e-Amusement	B-Application
.	O
</s>
<s>
GuitarFreaks	B-Application
and	I-Application
DrumMania	I-Application
V3	O
was	O
the	O
first	O
version	O
to	O
use	O
the	O
new	O
"	O
e-Amusement	B-Application
Pass	O
"	O
.	O
</s>
<s>
The	O
two	O
games	O
support	O
rivals	O
,	O
unlocks	O
,	O
and	O
also	O
allow	O
players	O
to	O
battle	O
against	O
other	O
players	O
over	O
the	O
e-Amusement	B-Application
network	O
.	O
</s>
<s>
e-Amusement	B-Application
support	O
was	O
also	O
provided	O
outside	O
Japan	O
during	O
a	O
location	O
test	O
of	O
an	O
English	O
build	O
of	O
GuitarFreaks	B-Application
and	I-Application
DrumMania	I-Application
V4	O
at	O
the	O
same	O
Naperville	O
bowling	O
alley	O
e-Amusement	B-Application
made	O
its	O
American	O
debut	O
at	O
with	O
DDR	B-Application
SuperNova	I-Application
2	O
.	O
</s>
<s>
The	O
use	O
of	O
e-Amusement	B-Application
will	O
allow	O
Internet	O
Ranking	O
and	O
players	O
will	O
be	O
accumulate	O
special	O
and	O
powerful	O
items	O
as	O
the	O
player	O
increases	O
experience	O
.	O
</s>
<s>
Pop'n	O
Music	O
uses	O
e-Amusement	B-Application
extensively	O
throughout	O
the	O
recent	O
releases	O
.	O
</s>
<s>
Since	O
the	O
release	O
of	O
Pop'n	B-Application
Music	I-Application
9	I-Application
,	O
unlocks	O
have	O
been	O
exclusively	O
remained	O
available	O
to	O
arcades	O
which	O
subscribe	O
to	O
the	O
e-Amusement	B-Application
service	O
.	O
</s>
<s>
Pop'n	O
Music	O
14	O
:	O
Fever	O
was	O
the	O
first	O
version	O
to	O
use	O
the	O
new	O
"	O
e-Amusement	B-Application
Pass	O
"	O
,	O
previous	O
versions	O
used	O
the	O
magnetic	O
card	O
system	O
.	O
</s>
<s>
The	O
use	O
of	O
e-Amusement	B-Application
will	O
allow	O
Internet	O
Ranking	O
and	O
players	O
will	O
be	O
able	O
to	O
start	O
at	O
stages	O
where	O
they	O
previously	O
cleared	O
,	O
instead	O
of	O
playing	O
the	O
game	O
from	O
scratch	O
.	O
</s>
<s>
The	O
use	O
of	O
e-Amusement	B-Application
is	O
much	O
similar	O
to	O
the	O
usage	O
of	O
the	O
magnetic	O
cards	O
in	O
Virtua	B-Application
Striker	I-Application
series	O
,	O
allowing	O
players	O
to	O
configure	O
strategies	O
and	O
formations	O
on	O
the	O
move	O
.	O
</s>
