<s>
is	O
a	O
puzzle	O
video	O
game	O
with	O
role-playing	O
and	O
strategy	B-Application
elements	O
,	O
developed	O
and	O
published	O
by	O
GungHo	O
Online	O
Entertainment	O
for	O
the	O
iOS	B-Application
,	O
Android	B-Application
,	O
and	O
Amazon	B-Application
Fire	I-Application
platforms	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
is	O
a	O
match-three	B-Application
puzzle	O
game	O
,	O
requiring	O
players	O
to	O
move	O
and	O
match	O
colored	O
orbs	O
arranged	O
in	O
a	O
grid	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
is	O
the	O
first	O
mobile	B-Application
game	I-Application
in	O
history	O
to	O
gross	O
$1billion	O
in	O
revenue	O
,	O
eventually	O
grossing	O
$6billion	O
by	O
the	O
end	O
of	O
2017	O
.	O
</s>
<s>
It	O
was	O
the	O
highest-grossing	O
mobile	O
app	O
of	O
all	O
time	O
up	O
until	O
it	O
was	O
surpassed	O
by	O
Monster	B-Application
Strike	I-Application
in	O
October	O
2018	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
has	O
grossed	O
,	O
and	O
is	O
the	O
second	O
highest-grossing	O
mobile	O
app	O
of	O
all	O
time	O
,	O
as	O
of	O
October	O
2018	O
.	O
</s>
<s>
The	O
game	O
has	O
spawned	O
a	O
franchise	O
consisting	O
of	O
several	O
video	O
games	O
as	O
well	O
as	O
an	O
anime	O
series	O
,	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
X	I-Application
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
is	O
a	O
combination	O
of	O
two	O
types	O
of	O
gameplay	O
:	O
tile	B-Application
matching	I-Application
and	O
a	O
monster	O
collecting	O
RPG	O
.	O
</s>
<s>
Players	O
create	O
teams	O
by	O
picking	O
from	O
the	O
over	O
9000	O
different	O
monsters	O
they	O
can	O
acquire	O
within	O
the	O
game	O
and	O
then	O
play	O
dungeons	O
where	O
they	O
solve	O
a	O
tile-matching	B-Application
puzzle	O
that	O
determines	O
how	O
powerful	O
their	O
monsters	O
 '	O
attacks	O
are	O
on	O
waves	O
of	O
enemy	O
monsters	O
.	O
</s>
<s>
The	O
monsters	O
in	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
are	O
drawn	O
from	O
many	O
origins	O
.	O
</s>
<s>
Their	O
designs	O
range	O
from	O
fantasy	O
creatures	O
such	O
as	O
dragons	O
,	O
demons	B-Operating_System
,	O
ogres	B-Application
,	O
and	O
goblins	O
,	O
to	O
monsters	O
based	O
on	O
deities	O
and	O
other	O
figures	O
of	O
various	O
mythologies	O
around	O
the	O
world	O
;	O
also	O
included	O
are	O
third	O
party	O
fictional	O
characters	O
available	O
for	O
limited	O
periods	O
of	O
time	O
.	O
</s>
<s>
The	O
puzzle	O
system	O
in	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
is	O
found	O
within	O
the	O
game	O
's	O
dungeons	O
,	O
where	O
the	O
play	O
of	O
a	O
tile-matching	B-Application
puzzle	O
determines	O
the	O
strength	O
of	O
the	O
player	O
's	O
monsters	O
 '	O
attacks	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
features	O
multiple	O
types	O
of	O
in-game	O
currencies	O
that	O
the	O
player	O
uses	O
for	O
various	O
purposes	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
is	O
also	O
known	O
for	O
its	O
collaboration	O
events	O
with	O
several	O
other	O
iconic	O
video	O
games	O
and	O
anime	O
properties	O
.	O
</s>
<s>
Players	O
of	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Challenge	O
must	O
use	O
a	O
set	O
team	O
of	O
supplied	O
monsters	O
to	O
defeat	O
a	O
series	O
of	O
powerful	O
monsters	O
within	O
a	O
5-minute	O
time	O
limit	O
.	O
</s>
<s>
In	O
a	O
future	O
update	O
to	O
the	O
standard	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
app	O
,	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Challenge	O
will	O
be	O
further	O
integrated	O
,	O
with	O
players	O
able	O
to	O
use	O
their	O
own	O
designed	O
teams	O
to	O
play	O
against	O
other	O
players	O
 '	O
teams	O
for	O
Pal	O
Points	O
,	O
effectively	O
creating	O
customized	O
dungeons	O
.	O
</s>
<s>
On	O
July	O
29	O
,	O
2014	O
,	O
the	O
Japanese	O
edition	O
of	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
updated	O
to	O
version	O
7.0.0	O
and	O
with	O
the	O
update	O
came	O
,	O
a	O
second	O
game	O
packaged	O
with	O
the	O
normal	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
.	O
</s>
<s>
It	O
primarily	O
features	O
the	O
TAMADRA	O
monster	O
from	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
,	O
and	O
tells	O
the	O
story	O
of	O
how	O
their	O
eggs	O
,	O
eggs	O
containing	O
clothing	O
bestowed	O
upon	O
them	O
by	O
the	O
other	O
monsters	O
,	O
were	O
stolen	O
by	O
the	O
evil	O
King	O
DeviTAMA	O
for	O
his	O
own	O
use	O
.	O
</s>
<s>
The	O
AvaTAMA	O
pieces	O
are	O
the	O
primary	O
collectibles	O
in	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
W	O
,	O
instead	O
of	O
monsters	O
.	O
</s>
<s>
Gameplay	O
in	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
W	O
is	O
similar	O
to	O
that	O
in	O
the	O
standard	O
game	O
.	O
</s>
<s>
However	O
,	O
the	O
game	O
is	O
geared	O
more	O
towards	O
the	O
puzzle	O
aspect	O
than	O
the	O
RPG	O
elements	O
of	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
.	O
</s>
<s>
The	O
board	O
in	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
W	O
is	O
a	O
6-by-6	O
grid	O
,	O
and	O
instead	O
of	O
monsters	O
the	O
player	O
has	O
a	O
TAMADRA	O
avatar	O
that	O
he	O
or	O
she	O
customizes	O
with	O
the	O
collected	O
AvaTAMA	O
hats	O
,	O
handheld	B-Application
items	O
,	O
and	O
shell	O
decorations	O
.	O
</s>
<s>
Clearing	O
the	O
third	O
area	O
is	O
usually	O
more	O
difficult	O
and	O
requires	O
more	O
stamina	O
,	O
but	O
finishing	O
it	O
for	O
the	O
first	O
time	O
restores	O
the	O
player	O
's	O
stamina	O
and	O
either	O
awards	O
a	O
greater	O
quantity	O
of	O
medals	O
or	O
a	O
Magic	O
Stone	O
,	O
which	O
is	O
carried	O
over	O
to	O
the	O
standard	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
account	O
.	O
</s>
<s>
The	O
medals	O
earned	O
in	O
the	O
game	O
go	O
towards	O
the	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
W	O
version	O
of	O
the	O
Egg	O
Machine	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
W	O
has	O
also	O
featured	O
limited	O
edition	O
collaboration	O
AvaTAMA	O
pieces	O
,	O
first	O
with	O
the	O
band	O
Arashi	O
and	O
later	O
with	O
Detective	O
Conan	O
.	O
</s>
<s>
Puzzle	B-Application
and	I-Application
Dragons	I-Application
Radar	O
is	O
an	O
accessory	O
app	O
for	O
Puzzle	B-Application
and	I-Application
Dragons	I-Application
meant	O
to	O
add	O
augmented	B-General_Concept
reality	I-General_Concept
functionality	O
with	O
GPS	O
support	O
to	O
the	O
main	O
game	O
.	O
</s>
<s>
The	O
app	O
can	O
be	O
linked	O
to	O
the	O
player	O
's	O
Puzzle	B-Application
and	I-Application
Dragons	I-Application
account	O
.	O
</s>
<s>
The	O
orbs	O
can	O
be	O
redeemed	O
for	O
items	O
and	O
monsters	O
in	O
Puzzle	B-Application
and	I-Application
Dragons	I-Application
,	O
including	O
Tamadras	O
,	O
Piis	O
,	O
1	O
hour	O
dungeons	O
,	O
and	O
many	O
other	O
prizes	O
.	O
</s>
<s>
Gameplay	O
in	O
Battle	O
Tournament	O
is	O
similar	O
to	O
the	O
mobile	B-Application
game	I-Application
.	O
</s>
<s>
The	O
player	O
uses	O
a	O
team	O
of	O
monsters	O
and	O
solves	O
a	O
tile-matching	B-Application
puzzle	O
to	O
determine	O
how	O
powerful	O
their	O
monsters	O
 '	O
attacks	O
are	O
,	O
and	O
can	O
activate	O
their	O
monsters	O
 '	O
active	O
skills	O
during	O
play	O
for	O
various	O
effects	O
and	O
choose	O
one	O
monster	O
to	O
serve	O
as	O
team	O
leader	O
to	O
use	O
the	O
passive	O
leader	O
skill	O
.	O
</s>
<s>
The	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Trading	O
Card	O
Game	O
was	O
released	O
in	O
Japan	O
on	O
January	O
15	O
,	O
2015	O
.	O
</s>
<s>
On	O
May	O
3	O
,	O
2013	O
,	O
GungHo	O
revealed	O
a	O
spin-off	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
named	O
during	O
the	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Fan	O
Appreciation	O
Festival	O
2013	O
.	O
</s>
<s>
Game	O
play	O
is	O
in	O
general	O
identical	O
to	O
the	O
mobile	B-Application
game	I-Application
,	O
but	O
it	O
adds	O
RPG	O
elements	O
such	O
as	O
towns	O
and	O
NPCs	O
.	O
</s>
<s>
A	O
manga	O
about	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Z	O
has	O
been	O
serialized	O
in	O
CoroCoro	O
Comic	O
since	O
September	O
29	O
,	O
2013	O
,	O
and	O
the	O
first	O
tankōbon	O
volume	O
was	O
released	O
on	O
April	O
28	O
,	O
2014	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Z	O
was	O
released	O
in	O
North	O
America	O
and	O
Europe	O
in	O
May	O
2015	O
,	O
packaged	O
alongside	O
the	O
Super	B-Application
Mario	I-Application
Bros	O
.	O
</s>
<s>
Players	O
scan	O
collectible	O
trading	O
cards	O
into	O
the	O
arcade	O
machine	O
which	O
they	O
use	O
to	O
battle	O
another	O
player	O
elsewhere	O
in	O
Japan	O
in	O
a	O
similar	O
system	O
to	O
the	O
handheld	B-Application
game	I-Application
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
:	O
Super	B-Application
Mario	I-Application
Bros	O
.	O
</s>
<s>
Edition	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
features	O
characters	O
from	O
the	O
Super	B-Application
Mario	I-Application
series	O
in	O
gameplay	O
similar	O
to	O
that	O
from	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Z	O
,	O
including	O
an	O
overworld	O
and	O
story	O
.	O
</s>
<s>
For	O
the	O
North	O
American	O
and	O
European	O
release	O
,	O
it	O
was	O
packaged	O
with	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Z	O
.	O
</s>
<s>
A	O
second	O
spin-off	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
named	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
X	I-Application
was	O
released	O
in	O
July	O
2016	O
along	O
with	O
an	O
anime	O
adaptation	O
of	O
the	O
game	O
by	O
studio	O
Pierrot	O
.	O
</s>
<s>
Prior	O
to	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
release	O
,	O
GungHo	O
had	O
primarily	O
been	O
involved	O
in	O
assisting	O
in	O
computer	O
and	O
console	O
games	O
from	O
its	O
formation	O
in	O
2002	O
,	O
including	O
Ragnarok	B-Protocol
Online	I-Protocol
.	O
</s>
<s>
The	O
company	O
's	O
founder	O
and	O
CEO	O
,	O
Kazuki	O
Morishita	O
,	O
found	O
that	O
the	O
quality	O
of	O
their	O
games	O
had	O
started	O
to	O
diminish	O
,	O
and	O
moved	O
more	O
of	O
his	O
time	O
over	O
into	O
the	O
creative	O
development	O
department	O
,	O
and	O
guided	O
the	O
company	O
towards	O
mobile	B-Application
gaming	I-Application
around	O
2010	O
.	O
</s>
<s>
Prior	O
to	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
release	O
,	O
they	O
had	O
already	O
published	O
about	O
ten	O
games	O
.	O
</s>
<s>
The	O
idea	O
for	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
came	O
about	O
around	O
August	O
2011	O
,	O
according	O
to	O
Morishita	O
.	O
</s>
<s>
They	O
worked	O
to	O
craft	O
a	O
new	O
type	O
of	O
card	O
battle	O
game	O
,	O
combining	O
gameplay	O
genres	O
such	O
as	O
the	O
tile-matching	B-Application
puzzle	O
aspects	O
and	O
role-playing	O
game	O
exploration	O
.	O
</s>
<s>
Though	O
they	O
desired	O
to	O
release	O
the	O
game	O
simultaneously	O
for	O
both	O
iOS	B-Application
and	O
Android	B-Application
,	O
their	O
small	O
team	O
size	O
required	O
them	O
to	O
stagger	O
the	O
releases	O
.	O
</s>
<s>
Using	O
the	O
Unity	B-Application
game	I-Application
engine	I-Application
,	O
they	O
developed	O
natively	O
on	O
the	O
iOS	B-Application
and	O
then	O
added	O
more	O
developers	O
comfortable	O
with	O
the	O
Unity	B-Application
engine	I-Application
to	O
help	O
port	O
the	O
Android	B-Application
version	O
.	O
</s>
<s>
The	O
game	O
was	O
first	O
released	O
on	O
iOS	B-Application
platform	O
in	O
Japanese	O
markets	O
on	O
February	O
20	O
,	O
2012	O
without	O
any	O
advertising	O
,	O
and	O
had	O
topped	O
the	O
app	O
charts	O
within	O
a	O
few	O
days	O
.	O
</s>
<s>
When	O
they	O
released	O
the	O
Android	B-Application
version	O
on	O
September	O
18	O
,	O
2012	O
,	O
GungHo	O
opted	O
to	O
employ	O
television	O
spots	O
to	O
promote	O
the	O
title	O
since	O
it	O
was	O
now	O
available	O
on	O
both	O
platforms	O
.	O
</s>
<s>
The	O
Android	B-Application
version	O
tops	O
its	O
charts	O
within	O
a	O
week	O
and	O
a	O
half	O
of	O
going	O
live	O
.	O
</s>
<s>
GungHo	O
has	O
announced	O
that	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
will	O
cease	O
support	O
for	O
devices	O
with	O
operating	O
systems	O
lower	O
than	O
iOS	B-Operating_System
6	I-Operating_System
and	O
Android	B-Application
Ice	I-Application
Cream	I-Application
Sandwich	I-Application
(	O
4.0	O
)	O
in	O
December	O
2014	O
in	O
Japan	O
and	O
in	O
spring	O
2015	O
for	O
North	O
America	O
and	O
Europe	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
W	O
is	O
already	O
not	O
supported	O
on	O
the	O
iPhone	B-Operating_System
3GS	I-Operating_System
and	O
third	O
generation	O
iPod	B-Device
Touch	I-Device
as	O
well	O
as	O
versions	O
of	O
Android	B-Application
lower	O
than	O
Android	B-Application
Honeycomb	I-Application
(	O
3.0	O
)	O
.	O
</s>
<s>
Ito	O
was	O
also	O
the	O
composer	O
for	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
Z	O
and	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
:	O
Battle	O
Tournament	O
;	O
Kohei	O
Tanaka	O
also	O
participated	O
in	O
the	O
composition	O
of	O
the	O
Battle	O
Tournament	O
soundtrack	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
won	O
a	O
CEDEC	O
Game	O
Design	O
award	O
in	O
2012	O
.	O
</s>
<s>
The	O
game	O
also	O
has	O
a	O
series	O
of	O
official	O
merchandise	O
in	O
Japan	O
,	O
sold	O
at	O
AppBank	O
Store	O
locations	O
as	O
well	O
as	O
through	O
an	O
official	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
online	O
store	O
.	O
</s>
<s>
Other	O
video	O
games	O
for	O
handheld	B-Application
consoles	I-Application
and	O
video	O
arcades	O
have	O
also	O
been	O
released	O
in	O
Japan	O
,	O
as	O
well	O
as	O
merchandise	O
only	O
available	O
from	O
claw	O
cranes	O
.	O
</s>
<s>
The	O
lyrics	O
to	O
the	O
2021	O
song	O
"	O
Ignite	O
"	O
by	O
heavy	O
metal	O
band	O
Mary	O
's	O
Blood	O
were	O
inspired	O
by	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
and	O
are	O
about	O
one	O
of	O
its	O
characters	O
.	O
</s>
<s>
In	O
April	O
2013	O
it	O
was	O
the	O
#1	B-Application
grossing	I-Application
app	O
in	O
the	O
world	O
on	O
iOS	B-Application
and	O
Android	B-Application
.	O
</s>
<s>
In	O
May	O
2014	O
,	O
GungHo	O
announced	O
that	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
surpassed	O
28	O
million	O
downloads	O
in	O
Japan	O
,	O
and	O
the	O
North	O
American	O
version	O
surpassed	O
4	O
million	O
downloads	O
.	O
</s>
<s>
In	O
October	O
2015	O
,	O
GungHo	O
announced	O
that	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
surpassed	O
50	O
million	O
downloads	O
worldwide	O
,	O
with	O
38	O
million	O
downloads	O
in	O
Japan	O
,	O
8	O
million	O
in	O
North	O
America	O
,	O
2	O
million	O
in	O
South	O
Korea	O
,	O
and	O
2	O
million	O
in	O
Taiwan	O
and	O
Hong	O
Kong	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
thus	O
became	O
the	O
first	O
mobile	B-Application
game	I-Application
in	O
history	O
to	O
gross	O
$1billion	O
in	O
revenue	O
.	O
</s>
<s>
It	O
was	O
the	O
highest-grossing	O
mobile	O
app	O
of	O
all	O
time	O
up	O
until	O
it	O
was	O
surpassed	O
by	O
Monster	B-Application
Strike	I-Application
in	O
October	O
2018	O
.	O
</s>
<s>
Puzzle	B-Application
&	I-Application
Dragons	I-Application
has	O
grossed	O
,	O
and	O
is	O
the	O
second	O
highest-grossing	O
mobile	O
app	O
of	O
all	O
time	O
,	O
as	O
of	O
October	O
2018	O
.	O
</s>
<s>
A	O
Gamasutra	O
blog	O
discussing	O
"	O
coercive	O
monetization	O
"	O
tactics	O
in	O
video	O
games	O
mentioned	O
Puzzle	B-Application
&	I-Application
Dragons	I-Application
as	O
one	O
of	O
the	O
most	O
skillful	O
examples	O
of	O
making	O
players	O
believe	O
they	O
are	O
playing	O
a	O
skill	O
game	O
,	O
while	O
in	O
fact	O
being	O
a	O
money	O
game	O
(	O
i.e.	O
</s>
