<s>
The	B-Application
Rhythm	I-Application
of	I-Application
Fighters	I-Application
is	O
a	O
free-to-play	O
music-based	O
video	O
game	O
produced	O
and	O
developed	O
by	O
SNK	O
Playmore	O
for	O
iOS	B-Application
and	O
Android	B-Application
.	O
</s>
<s>
While	O
the	O
music	O
and	O
fighting	O
system	O
has	O
been	O
praised	O
,	O
the	O
use	O
of	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
was	O
criticized	O
for	O
making	O
the	O
complete	O
package	O
too	O
expensive	O
during	O
the	O
time	O
that	O
The	B-Application
Rhythm	I-Application
of	I-Application
Fighters	I-Application
was	O
a	O
paid	O
game	O
.	O
</s>
<s>
Nevertheless	O
,	O
SNK	O
found	O
that	O
the	O
title	O
had	O
considerable	O
worldwide	O
downloads	O
,	O
with	O
the	O
DLC	B-Protocol
content	O
being	O
well	O
received	O
.	O
</s>
<s>
The	O
game	O
has	O
a	O
total	O
of	O
14	O
musical	O
tracks	O
that	O
can	O
be	O
unlocked	O
during	O
play	O
;	O
certain	O
musical	O
themes	O
appear	O
as	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
.	O
</s>
<s>
Players	O
are	O
given	O
different	O
themes	O
depending	O
on	O
the	O
characters	O
they	O
use	O
:	O
while	O
using	O
Geese	O
Howard	O
the	O
theme	O
is	O
"	O
Soy	O
Sauce	O
to	O
Geese	O
"	O
,	O
Geese	O
's	O
most	O
recurring	O
theme	O
from	O
Fatal	O
Fury	O
while	O
Kyo	O
Kusanagi	O
is	O
presented	O
with	O
"	O
Tears	O
"	O
,	O
his	O
theme	O
song	O
from	O
The	B-Application
King	I-Application
of	I-Application
Fighters	I-Application
'	I-Application
99	I-Application
.	O
</s>
<s>
Additional	O
characters	O
like	O
Iori	O
Yagami	O
and	O
Terry	O
Bogard	O
can	O
be	O
unlocked	O
through	O
downloadable	B-Protocol
content	I-Protocol
.	O
</s>
<s>
Originally	O
a	O
paid	O
game	O
,	O
SNK	O
turned	O
The	B-Application
Rhythm	I-Application
of	I-Application
Fighters	I-Application
into	O
a	O
free-to-play	O
game	O
to	O
keep	O
consistency	O
with	O
Metal	O
Slug	O
Defense	O
,	O
another	O
free	O
game	O
,	O
and	O
to	O
avoid	O
issues	O
with	O
their	O
fanbase	O
.	O
</s>
<s>
On	O
February	O
14	O
,	O
2014	O
,	O
SNK	O
trademarked	O
the	O
title	O
"	O
The	B-Application
Rhythm	I-Application
of	I-Application
Fighters	I-Application
"	O
.	O
</s>
<s>
The	O
first	O
form	O
of	O
downloadable	B-Protocol
content	I-Protocol
became	O
available	O
in	O
July	O
under	O
the	O
form	O
of	O
four	O
new	O
tracks	O
based	O
on	O
Fatal	O
Fury	O
.	O
</s>
<s>
This	O
was	O
followed	O
by	O
eight	O
more	O
tracks	O
in	O
the	O
same	O
month	O
:	O
four	O
tracks	O
from	O
The	B-Application
King	I-Application
of	I-Application
Fighters	I-Application
'	I-Application
97	I-Application
and	O
four	O
tracks	O
from	O
Metal	O
Slug	O
Defense	O
.	O
</s>
<s>
In	O
July	O
,	O
SNK	O
added	O
new	O
tracks	O
from	O
The	B-Application
King	I-Application
of	I-Application
Fighters	I-Application
'	I-Application
99	I-Application
and	O
Samurai	B-Application
Shodown	I-Application
II	I-Application
.	O
</s>
<s>
The	O
DLC	B-Protocol
for	O
Fatal	B-Application
Fury	I-Application
Special	I-Application
and	O
Metal	O
Slug	O
Defense	O
theme	O
songs	O
were	O
also	O
popular	O
.	O
</s>
<s>
Google	B-Application
Play	I-Application
Store	I-Application
recorded	O
more	O
than	O
1million	O
downloads	O
by	O
July	O
2015	O
.	O
</s>
<s>
In	O
2014	O
,	O
The	O
Guardian	O
listed	O
it	O
as	O
one	O
of	O
the	O
best	O
android	B-Application
games	O
for	O
its	O
mixture	O
genres	O
.	O
</s>
<s>
Touch	O
Arcade	O
noted	O
that	O
"	O
It	O
's	O
not	O
the	O
most	O
high-effort	O
product	O
,	O
and	O
the	O
initial	O
buy-in	O
only	O
gets	O
you	O
about	O
half	O
the	O
content	O
,	O
but	O
I	O
still	O
had	O
a	O
really	O
good	O
time	O
with	O
The	B-Application
Rhythm	I-Application
of	I-Application
Fighters	I-Application
"	O
and	O
gave	O
it	O
a	O
3.5	O
out	O
of	O
5	O
.	O
</s>
<s>
The	O
reviewer	O
felt	O
there	O
were	O
some	O
lag	O
issues	O
during	O
his	O
playthrough	O
on	O
his	O
iPhone	B-Operating_System
5S	I-Operating_System
which	O
might	O
make	O
other	O
ports	O
superior	O
in	O
comparison	O
.	O
</s>
<s>
Critics	O
in	O
general	O
found	O
the	O
price	O
for	O
the	O
entire	O
game	O
too	O
expensive	O
based	O
on	O
the	O
use	O
of	O
DLC	B-Protocol
.	O
</s>
<s>
In	O
contrast	O
to	O
most	O
other	O
reviews	O
,	O
Hyper	O
felt	O
that	O
the	O
DLC	B-Protocol
was	O
reasonably	O
priced	O
.	O
</s>
