<s>
StepMania	B-Language
is	O
a	O
cross-platform	B-Operating_System
rhythm	O
video	O
game	O
and	O
engine	O
.	O
</s>
<s>
It	O
was	O
originally	O
developed	O
as	O
a	O
clone	O
of	O
Konami	O
's	O
arcade	O
game	O
series	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
,	O
and	O
has	O
since	O
evolved	O
into	O
an	O
extensible	O
rhythm	O
game	O
engine	O
capable	O
of	O
supporting	O
a	O
variety	O
of	O
rhythm-based	O
game	O
types	O
.	O
</s>
<s>
Released	O
under	O
the	B-License
MIT	I-License
License	I-License
,	O
StepMania	B-Language
is	O
open-source	B-Application
free	B-Application
software	I-Application
.	O
</s>
<s>
Several	O
video	O
game	O
series	O
use	O
StepMania	B-Language
as	O
their	O
game	O
engines	O
.	O
</s>
<s>
This	O
includes	O
In	B-Application
the	I-Application
Groove	I-Application
,	O
Pump	B-Application
It	I-Application
Up	I-Application
Pro	O
,	O
Pump	B-Application
It	I-Application
Up	I-Application
Infinity	O
,	O
and	O
StepManiaX	B-Application
.	O
</s>
<s>
StepMania	B-Language
was	O
included	O
in	O
a	O
video	O
game	O
exhibition	O
at	O
New	O
York	O
's	O
Museum	O
of	O
the	O
Moving	O
Image	O
in	O
2005	O
.	O
</s>
<s>
StepMania	B-Language
was	O
originally	O
developed	O
as	O
an	O
open-source	B-Application
clone	O
of	O
Konami	O
's	O
arcade	O
game	O
series	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
(	O
DDR	B-Application
)	O
.	O
</s>
<s>
During	O
the	O
first	O
three	O
major	O
versions	O
,	O
the	O
Interface	O
was	O
based	O
heavily	O
on	O
DDR	B-Application
's	O
.	O
</s>
<s>
In	O
2010	O
,	O
after	O
almost	O
5	O
years	O
of	O
work	O
without	O
a	O
stable	O
release	O
,	O
StepMania	B-Language
creator	O
Chris	O
Danford	O
forked	O
a	O
2006	O
build	O
of	O
StepMania	B-Language
,	O
paused	O
development	O
on	O
the	O
bleeding	B-Application
edge	I-Application
branch	O
,	O
and	O
labeled	O
the	O
new	O
branch	O
StepMania	B-Language
4	O
beta	O
.	O
</s>
<s>
On	O
30	O
May	O
2011	O
,	O
sm-ssc	O
gained	O
official	O
status	O
and	O
was	O
renamed	O
StepMania	B-Language
5.0	O
.	O
</s>
<s>
Development	O
on	O
the	O
upcoming	O
version	O
,	O
5.1	O
,	O
has	O
gone	O
cold	O
over	O
the	O
past	O
few	O
years	O
after	O
a	O
couple	O
of	O
betas	O
were	O
released	O
over	O
at	O
GitHub	B-Application
.	O
</s>
<s>
Project	O
OutFox	O
(	O
formerly	O
known	O
as	O
StepMania	B-Language
5.3	O
,	O
initially	O
labeled	O
as	O
FoxMania	O
)	O
is	O
a	O
currently	O
closed-source	B-Application
fork	B-Application
of	O
the	O
5.0	O
and	O
5.1	O
codebase	O
originally	O
planned	O
to	O
reintegrate	O
in	O
StepMania	B-Language
,	O
however	O
further	O
in	O
development	O
,	O
it	O
was	O
decided	O
to	O
become	O
an	O
independent	O
project	O
due	O
to	O
its	O
larger	O
scope	O
of	O
goals	O
while	O
still	O
sharing	O
codebase	O
improvements	O
to	O
future	O
versions	O
of	O
StepMania	B-Language
.	O
</s>
<s>
The	O
primary	O
game	O
type	O
features	O
the	O
following	O
game	O
play	O
:	O
as	O
arrows	O
scroll	O
upwards	O
on	O
the	O
screen	B-Device
,	O
they	O
meet	O
a	O
normally	O
stationary	O
set	O
of	O
target	O
arrows	O
.	O
</s>
<s>
When	O
they	O
do	O
,	O
the	O
player	O
presses	O
the	O
corresponding	O
arrows	O
on	O
their	O
keyboard	B-Device
or	O
dance	B-Device
mat	I-Device
.	O
</s>
<s>
An	O
award	O
of	O
AAA+	O
(	O
triple	O
A	O
plus	O
,	O
formerly	O
AAAA	O
or	O
quadruple	O
A	O
)	O
is	O
the	O
highest	O
possible	O
award	O
available	O
on	O
a	O
standard	O
installation	O
and	O
indicates	O
that	O
a	O
player	O
has	O
triggered	O
all	O
arrows	O
with	O
"	O
Flawless	O
"	O
timing	O
(	O
within	O
0.0225	O
seconds	O
under	O
official	O
settings	B-General_Concept
)	O
and	O
avoided	O
all	O
mines	O
and	O
completed	O
all	O
hold	O
(	O
freeze	O
)	O
arrows	O
.	O
</s>
<s>
Default	O
scoring	O
and	O
grading	O
for	O
StepMania	B-Language
is	O
similar	O
to	O
scoring	O
in	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
;	O
however	O
,	O
timing	O
and	O
scoring	O
settings	B-General_Concept
can	O
easily	O
be	O
changed	O
.	O
</s>
<s>
StepMania	B-Language
allows	O
for	O
several	O
input	O
options	O
.	O
</s>
<s>
Specialized	O
adapters	O
that	O
connect	O
console	O
peripherals	O
like	O
PS2	B-Device
and	O
Xbox	B-Protocol
controllers	O
or	O
dance	B-Device
pads	I-Device
to	O
one	O
's	O
computer	O
can	O
be	O
used	O
.	O
</s>
<s>
Alternatively	O
,	O
the	O
keyboard	B-Device
can	O
be	O
used	O
to	O
tap	O
out	O
the	O
rhythms	O
using	O
arrow	O
or	O
other	O
keys	O
.	O
</s>
<s>
Many	O
song	O
charts	O
designed	O
for	O
keyboard	B-Device
are	O
unable	O
to	O
be	O
passed	O
using	O
a	O
pad	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
game	O
possesses	O
the	O
capability	O
to	O
emulate	O
other	O
music	O
games	O
,	O
such	O
as	O
Beatmania	B-Application
itself	O
,	O
o2Jam	O
and	O
DJMax	B-Application
's	O
7-key	O
arrangement	O
,	O
Pump	B-Application
It	I-Application
Up	I-Application
and	O
TechnoMotion	B-Application
-	O
scoring	O
however	O
,	O
remains	O
similar	O
to	O
old	O
DDR-style	O
play	O
by	O
default	O
(	O
i.e.	O
</s>
<s>
Custom	O
Songs	O
(	O
"	O
Stepfiles	O
"	O
)	O
also	O
known	O
as	O
"	O
Simfiles	O
"	O
:	O
StepMania	B-Language
allows	O
users	O
to	O
create	O
their	O
own	O
custom	O
dance	O
patterns	O
to	O
any	O
song	O
in	O
.ogg	O
or	O
.mp3	B-Application
format	O
.	O
</s>
<s>
Additionally	O
,	O
official	O
DDR	B-Application
and	O
In	B-Application
The	I-Application
Groove	I-Application
songs	I-Application
with	O
their	O
original	O
steps	O
are	O
commonly	O
available	O
for	O
StepMania	B-Language
.	O
</s>
<s>
StepMania	B-Language
includes	O
multiple	O
modifiers	O
featured	O
in	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
as	O
well	O
as	O
dozens	O
of	O
additional	O
modifiers	O
created	O
exclusively	O
for	O
StepMania	B-Language
,	O
including	O
custom	O
SPEED	O
options	O
.	O
</s>
<s>
Mines	O
(	O
"	O
Shock	O
"	O
arrows	O
in	O
DDR	B-Application
X	I-Application
)	O
:	O
An	O
object	O
that	O
scrolls	O
onto	O
the	O
screen	B-Device
along	O
with	O
the	O
arrows	O
.	O
</s>
<s>
However	O
,	O
the	O
mines	O
in	O
StepMania	B-Language
are	O
different	O
from	O
the	O
Shock	O
Arrows	O
in	O
DDR	B-Application
X	I-Application
in	O
that	O
the	O
latter	O
also	O
turns	O
the	O
notes	O
invisible	O
for	O
a	O
brief	O
period	O
of	O
time	O
and	O
breaks	O
the	O
current	O
combo	O
chain	O
that	O
the	O
player	O
had	O
going	O
.	O
</s>
<s>
This	O
step	O
type	O
was	O
developed	O
for	O
the	O
StepMania-based	O
arcade	O
game	O
In	B-Application
The	I-Application
Groove	I-Application
,	O
and	O
was	O
ported	O
into	O
StepMania	B-Language
itself	O
during	O
development	O
of	O
that	O
title	O
.	O
</s>
<s>
This	O
step	O
type	O
was	O
developed	O
for	O
the	O
sequel	O
to	O
In	B-Application
The	I-Application
Groove	I-Application
,	O
In	B-Application
the	I-Application
Groove	I-Application
2	I-Application
.	O
</s>
<s>
Multiple	O
game	O
types	O
,	O
including	O
partial	O
simulation	O
of	O
other	O
rhythm	O
games	O
like	O
Pump	B-Application
It	I-Application
Up	I-Application
,	O
ParaParaParadise	B-Application
and	O
beatmania	B-Application
IIDX	I-Application
.	O
</s>
<s>
Real-time	O
lyrics	O
,	O
which	O
display	O
on	O
the	O
opposite	O
side	O
of	O
the	O
screen	B-Device
for	O
stepfiles	O
that	O
have	O
accompanying	O
lyric	O
data	O
.	O
</s>
<s>
Custom	O
themes	O
:	O
users	O
can	O
create	O
their	O
own	O
skins	B-Application
for	O
StepMania	B-Language
.	O
</s>
<s>
Themes	O
can	O
vary	O
from	O
simple	O
replacement	O
of	O
images	O
to	O
drastic	O
changes	O
that	O
can	O
be	O
implemented	O
by	O
scripting	O
its	O
Lua	B-Language
backend	O
.	O
</s>
<s>
Infinite	O
BPMs	O
:	O
an	O
official	O
implementation	O
in	O
StepMania	B-Language
4	O
of	O
a	O
bug	O
in	O
the	O
3.9	O
series	O
that	O
could	O
be	O
exploited	O
to	O
create	O
"	O
warps	O
"	O
in	O
stepcharts	O
using	O
negative	O
speeds	O
.	O
</s>
<s>
Network	O
play	O
:	O
support	O
for	O
lobby-based	O
online	O
play	O
,	O
dubbed	O
StepMania	B-Language
Online	O
.	O
</s>
<s>
Typically	O
,	O
users	O
connect	O
through	O
the	O
StepMania	B-Language
Online	O
centralized	O
server	O
.	O
</s>
<s>
Support	O
for	O
network	O
play	O
was	O
added	O
to	O
the	O
StepMania	B-Language
tree	O
in	O
2005	O
and	O
is	O
available	O
in	O
all	O
later	O
builds	O
.	O
</s>
<s>
Some	O
versions	O
of	O
StepMania	B-Language
will	O
run	O
on	O
most	O
common	O
operating	O
systems	O
(	O
Microsoft	O
Windows	O
98/Me/2000/XP/Vista/7/8	O
,	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
)	O
,	O
as	O
well	O
as	O
the	O
Xbox	B-Application
console	I-Application
.	O
</s>
<s>
It	O
has	O
also	O
been	O
used	O
as	O
the	O
base	O
engine	O
in	O
a	O
variety	O
of	O
free	B-Application
software	I-Application
and	O
proprietary	B-Application
products	O
for	O
various	O
platforms	O
.	O
</s>
<s>
Several	O
StepMania-based	O
commercial	O
games	O
have	O
been	O
released	O
due	O
to	O
its	O
open	O
nature	O
:	O
</s>
<s>
In	B-Application
the	I-Application
Groove	I-Application
(	O
ITG	O
)	O
is	O
an	O
arcade	O
dance	O
game	O
series	O
developed	O
by	O
the	O
core	O
StepMania	B-Language
developers	O
,	O
and	O
is	O
based	O
on	O
3.9	O
and	O
a	O
CVS	O
build	O
of	O
StepMania	B-Language
often	O
known	O
as	O
version	O
3.95	O
.	O
</s>
<s>
To	O
prevent	O
unauthorized	O
copying	O
,	O
StepMania	B-Language
was	O
re-licensed	O
under	O
a	O
more	O
permissive	O
license	O
(	O
changed	O
from	O
GPL	B-License
to	O
the	B-License
MIT	I-License
License	I-License
with	O
the	O
agreement	O
of	O
all	O
coders	O
,	O
in	O
exchange	O
for	O
their	O
names	O
appearing	O
on	O
the	O
ITG	O
credits	O
screen	B-Device
)	O
,	O
not	O
requiring	O
source	O
code	O
to	O
be	O
published	O
on	O
derivative	O
works	O
,	O
and	O
thus	O
allowing	O
ITG	O
's	O
copy	O
control	O
to	O
remain	O
proprietary	B-Application
and	O
closed	B-Application
source	I-Application
.	O
</s>
<s>
Pump	B-Application
It	I-Application
Up	I-Application
Pro	O
is	O
a	O
spinoff	O
of	O
the	O
Pump	B-Application
it	I-Application
Up	I-Application
series	O
headed	O
by	O
former	O
ITG	O
developers	O
and	O
musicians	O
.	O
</s>
<s>
The	O
game	O
utilizes	O
a	O
build	O
of	O
StepMania	B-Language
4	O
for	O
its	O
engine	O
,	O
which	O
also	O
led	O
to	O
improved	O
Pump	O
support	O
in	O
StepMania	B-Language
itself	O
.	O
</s>
<s>
Pump	B-Application
It	I-Application
Up	I-Application
Infinity	O
is	O
another	O
spinoff	O
of	O
the	O
Pump	B-Application
it	I-Application
Up	I-Application
series	O
aimed	O
primarily	O
at	O
North	O
American	O
audiences	O
.	O
</s>
<s>
The	O
game	O
is	O
based	O
on	O
StepMania	B-Language
5	O
.	O
</s>
<s>
StepManiaX	B-Application
is	O
a	O
spiritual	O
successor	O
to	O
In	B-Application
The	I-Application
Groove	I-Application
,	O
with	O
the	O
addition	O
of	O
the	O
Center	O
panel	O
and	O
other	O
features	O
.	O
</s>
<s>
StepMania	B-Language
developers	O
conducted	O
StepMix	O
contest	O
for	O
step	O
builders	O
to	O
create	O
stepcharts/stepfiles	O
that	O
can	O
be	O
played	O
using	O
StepMania	B-Language
.	O
</s>
<s>
StepMania	B-Language
became	O
a	O
quite	O
popular	O
free	B-Application
software	I-Application
game	O
;	O
the	O
game	O
was	O
downloaded	O
alone	O
over	O
SourceForge	B-Application
between	O
2001	O
and	O
May	O
2017	O
over	O
6.3	O
million	O
times	O
.	O
</s>
