<s>
Theatrhythm	B-Application
Dragon	I-Application
Quest	I-Application
is	O
a	O
rhythm	O
game	O
developed	O
by	O
indieszero	O
and	O
published	O
by	O
Square	O
Enix	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
.	O
</s>
<s>
It	O
was	O
released	O
in	O
Japan	O
on	O
March	O
26	O
,	O
2015	O
,	O
and	O
was	O
the	O
first	O
game	O
of	O
its	O
type	O
in	O
the	O
Dragon	B-Application
Quest	I-Application
series	O
and	O
the	O
third	O
Theatrhythm	O
game	O
after	O
Theatrhythm	B-Application
Final	I-Application
Fantasy	I-Application
and	O
Theatrhythm	B-Application
Final	I-Application
Fantasy	I-Application
:	I-Application
Curtain	I-Application
Call	I-Application
.	O
</s>
<s>
Theatrhythm	B-Application
Dragon	I-Application
Quest	I-Application
features	O
65	O
musical	O
pieces	O
selected	O
from	O
the	O
Dragon	B-Application
Quest	I-Application
series	O
,	O
all	O
originally	O
composed	O
by	O
Koichi	O
Sugiyama	O
.	O
</s>
<s>
Additional	O
tracks	O
were	O
released	O
as	O
downloadable	B-Protocol
content	I-Protocol
via	O
the	O
Nintendo	B-Application
eShop	I-Application
.	O
</s>
<s>
Theatrhythm	B-Application
Dragon	I-Application
Quest	I-Application
was	O
first	O
announced	O
at	O
Jump	O
Festa	O
2015	O
on	O
December	O
10	O
,	O
2014	O
,	O
with	O
a	O
playable	O
demo	O
.	O
</s>
<s>
The	O
app	O
has	O
players	O
listen	O
to	O
songs	O
from	O
Dragon	B-Application
Quest	I-Application
games	O
and	O
answer	O
questions	O
about	O
them	O
until	O
the	O
app	O
was	O
shut	O
down	O
on	O
April	O
30	O
,	O
2015	O
.	O
</s>
<s>
Producer	O
Ichiro	O
Hazama	O
mentioned	O
in	O
an	O
interview	O
that	O
developers	O
would	O
monitor	O
fan	O
feedback	O
as	O
to	O
what	O
additional	O
songs	O
would	O
be	O
included	O
as	O
downloadable	B-Protocol
content	I-Protocol
.	O
</s>
<s>
The	O
first	O
collection	O
of	O
DLC	B-Protocol
was	O
previewed	O
a	O
week	O
before	O
the	O
game	O
was	O
released	O
in	O
March	O
2015	O
and	O
featured	O
five	O
songs	O
,	O
one	O
from	O
each	O
of	O
the	O
first	O
five	O
Dragon	B-Application
Quest	I-Application
games	O
.	O
</s>
<s>
A	O
second	O
DLC	B-Protocol
song	O
collection	O
from	O
Dragon	B-Application
Quests	I-Application
III	O
through	O
V	O
was	O
released	O
in	O
April	O
2015	O
.	O
</s>
<s>
A	O
fourth	O
DLC	B-Protocol
packet	O
of	O
four	O
songs	O
was	O
made	O
available	O
free	O
of	O
charge	O
in	O
May	O
2015	O
.	O
</s>
<s>
Famitsu	O
scored	O
Theatrhythm	B-Application
Dragon	I-Application
Quest	I-Application
a	O
35/40	O
.	O
</s>
<s>
More	O
than	O
76,000	O
copies	O
were	O
sold	O
in	O
its	O
first	O
week	O
,	O
making	O
it	O
the	O
best-selling	O
Nintendo	B-Operating_System
3DS	I-Operating_System
game	O
in	O
that	O
week	O
.	O
</s>
