<s>
is	O
a	O
2002	O
action	B-Application
role-playing	I-Application
video	I-Application
game	I-Application
developed	O
by	O
Square	O
for	O
the	O
PlayStation	B-Device
2	I-Device
video	B-Device
game	I-Device
console	I-Device
.	O
</s>
<s>
It	O
is	O
the	O
first	O
game	O
in	O
the	O
Kingdom	B-Application
Hearts	I-Application
series	O
and	O
is	O
the	O
result	O
of	O
a	O
collaboration	O
between	O
Square	O
and	O
The	O
Walt	O
Disney	O
Company	O
.	O
</s>
<s>
An	O
expanded	O
re-release	O
of	O
the	O
game	O
featuring	O
new	O
and	O
additional	O
content	O
,	O
Kingdom	B-Application
Hearts	I-Application
Final	I-Application
Mix	I-Application
,	O
was	O
released	O
exclusively	O
in	O
Japan	O
in	O
December	O
2002	O
.	O
</s>
<s>
The	O
Final	O
Mix	O
version	O
of	O
the	O
game	O
was	O
later	O
remastered	O
in	O
high	O
definition	O
and	O
released	O
globally	O
as	O
a	O
part	O
of	O
the	O
Kingdom	B-Application
Hearts	I-Application
HD	I-Application
1.5	I-Application
Remix	I-Application
collection	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
One	I-Device
,	O
Windows	O
,	O
and	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
The	O
game	O
combines	O
characters	O
and	O
settings	O
from	O
Disney	O
animated	O
features	O
with	O
those	O
from	O
Square	O
's	O
Final	B-Application
Fantasy	I-Application
series	O
,	O
in	O
addition	O
to	O
original	O
characters	O
and	O
worlds	O
created	O
for	O
the	O
game	O
.	O
</s>
<s>
The	O
game	O
was	O
a	O
departure	O
from	O
Square	O
's	O
standard	O
role-playing	O
games	O
,	O
introducing	O
a	O
substantial	O
action	O
and	O
hack	B-Application
and	I-Application
slash	I-Application
element	O
to	O
the	O
gameplay	O
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
has	O
an	O
all-star	O
voice	O
cast	O
and	O
includes	O
many	O
of	O
the	O
Disney	O
characters	O
 '	O
official	O
voice	O
actors	O
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
received	O
critical	O
and	O
commercial	O
success	O
and	O
was	O
praised	O
for	O
its	O
unusual	O
combination	O
of	O
action	O
and	O
role-playing	O
,	O
its	O
unexpectedly	O
harmonious	O
mix	O
of	O
Square	O
and	O
Disney	O
elements	O
,	O
and	O
Shimomura	O
's	O
music	O
.	O
</s>
<s>
It	O
was	O
a	O
large	O
presence	O
in	O
the	O
2002	O
holiday	O
season	O
,	O
receiving	O
numerous	O
year-end	O
game	O
awards	O
,	O
and	O
went	O
on	O
to	O
achieve	O
Sony	B-Device
"	I-Device
Greatest	I-Device
Hits	I-Device
"	I-Device
status	O
.	O
</s>
<s>
The	O
game	O
's	O
success	O
spawned	O
a	O
franchise	O
and	O
numerous	O
sequels	O
,	O
with	O
the	O
Kingdom	B-Application
Hearts	I-Application
series	O
going	O
on	O
to	O
ship	O
over	O
35	O
million	O
copies	O
worldwide	O
and	O
becoming	O
one	O
of	O
Square	O
's	O
most	O
popular	O
franchises	O
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
is	I-Application
the	O
tenth	B-Application
best-selling	I-Application
PlayStation	I-Application
2	I-Application
game	I-Application
of	I-Application
all	I-Application
time	I-Application
,	O
and	O
is	O
considered	O
by	O
some	O
gaming	O
publications	O
to	O
be	O
one	O
of	O
the	O
greatest	O
video	O
games	O
of	O
all	O
time	O
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
is	I-Application
influenced	O
by	O
its	O
parent	O
franchise	O
,	O
Final	B-Application
Fantasy	I-Application
,	O
and	O
carries	O
gameplay	O
elements	O
over	O
into	O
its	O
own	O
action-based	O
,	O
hack	B-Application
and	I-Application
slash	I-Application
system	O
.	O
</s>
<s>
Like	O
traditional	O
role-playing	O
games	O
,	O
Kingdom	B-Application
Hearts	I-Application
features	O
an	O
experience	O
point	O
system	O
that	O
determines	O
character	O
development	O
.	O
</s>
<s>
Unlike	O
other	O
games	O
of	O
its	O
type	O
,	O
Kingdom	B-Application
Hearts	I-Application
allows	O
a	O
degree	O
of	O
character	O
development	O
customization	O
through	O
a	O
short	O
tutorial	O
found	O
at	O
the	O
beginning	O
of	O
the	O
game	O
.	O
</s>
<s>
Combat	O
in	O
Kingdom	B-Application
Hearts	I-Application
occurs	O
in	O
real	O
time	O
and	O
involves	O
pressing	O
buttons	O
to	O
initiate	O
attacks	O
by	O
the	O
on-screen	O
character	O
.	O
</s>
<s>
An	O
action	O
menu	O
,	O
similar	O
to	O
those	O
found	O
in	O
Final	B-Application
Fantasy	I-Application
games	I-Application
,	O
found	O
at	O
the	O
bottom	O
left	O
of	O
the	O
screen	O
provides	O
other	O
combat	O
options	O
such	O
as	O
using	O
magic	O
and	O
items	O
,	O
although	O
players	O
can	O
also	O
assign	O
selected	O
magic	O
spells	O
that	O
can	O
be	O
instantly	O
used	O
whilst	O
holding	O
the	O
shoulder	O
button	O
.	O
</s>
<s>
The	O
universe	O
of	O
Kingdom	B-Application
Hearts	I-Application
is	I-Application
a	O
collection	O
of	O
various	O
levels	O
,	O
referred	O
to	O
as	O
"	O
worlds	O
"	O
,	O
through	O
which	O
the	O
player	O
must	O
progress	O
.	O
</s>
<s>
The	O
worlds	O
created	O
specifically	O
for	O
the	O
game	O
mirror	O
the	O
overall	O
appearance	O
of	O
the	O
other	O
worlds	O
and	O
feature	O
either	O
new	O
characters	O
or	O
ones	O
from	O
several	O
Final	B-Application
Fantasy	I-Application
games	I-Application
.	O
</s>
<s>
The	O
new	O
worlds	O
include	O
:	O
the	O
Destiny	O
Islands	O
,	O
where	O
the	O
story	O
opens	O
;	O
Traverse	O
Town	O
,	O
which	O
serves	O
as	O
a	O
launching	O
point	O
for	O
most	O
of	O
the	O
game	O
;	O
Hollow	O
Bastion	O
,	O
which	O
many	O
of	O
the	O
Final	B-Application
Fantasy	I-Application
characters	O
call	O
home	O
;	O
and	O
the	O
End	O
of	O
the	O
World	O
,	O
a	O
large	O
,	O
dark	O
world	O
created	O
from	O
the	O
remnants	O
of	O
various	O
worlds	O
consumed	O
by	O
the	O
Heartless	O
.	O
</s>
<s>
The	O
three	O
join	O
forces	O
to	O
search	O
for	O
King	O
Mickey	B-Application
Mouse	I-Application
,	O
Kairi	O
,	O
and	O
Riku	O
.	O
</s>
<s>
Available	O
summoned	O
characters	O
include	O
the	O
Genie	O
from	O
Aladdin	O
,	O
Tinker	O
Bell	O
from	O
Peter	O
Pan	O
,	O
and	O
Simba	O
from	O
The	B-Application
Lion	I-Application
King	I-Application
,	O
among	O
others	O
.	O
</s>
<s>
Square	O
also	O
incorporated	O
several	O
characters	O
from	O
the	O
Final	B-Application
Fantasy	I-Application
series	O
into	O
the	O
game	O
,	O
though	O
the	O
characters	O
were	O
slightly	O
altered	O
to	O
fit	O
the	O
game	O
's	O
back-story	O
.	O
</s>
<s>
On	O
the	O
Destiny	O
Islands	O
,	O
the	O
player	O
meets	O
younger	O
versions	O
of	O
Tidus	O
and	O
Wakka	O
from	O
Final	B-Application
Fantasy	I-Application
X	O
,	O
and	O
Selphie	O
from	O
Final	B-Application
Fantasy	I-Application
VIII	O
.	O
</s>
<s>
In	O
Traverse	O
Town	O
,	O
the	O
player	O
encounters	O
Squall	O
Leonhart	O
(	O
also	O
known	O
as	O
"	O
Leon	O
"	O
)	O
from	O
Final	B-Application
Fantasy	I-Application
VIII	O
,	O
as	O
well	O
as	O
Aerith	O
,	O
Cid	O
,	O
and	O
Yuffie	O
from	O
Final	B-Application
Fantasy	I-Application
VII	O
.	O
</s>
<s>
Rikku	O
from	O
Final	B-Application
Fantasy	I-Application
X	O
was	O
originally	O
set	O
to	O
appear	O
,	O
but	O
was	O
replaced	O
by	O
Yuffie	O
.	O
</s>
<s>
Cloud	O
and	O
Sephiroth	O
,	O
both	O
from	O
Final	B-Application
Fantasy	I-Application
VII	O
,	O
make	O
appearances	O
in	O
Olympus	O
Coliseum	O
,	O
where	O
the	O
player	O
can	O
fight	O
them	O
in	O
tournaments	O
.	O
</s>
<s>
The	O
emphasis	O
on	O
characters	O
from	O
later	O
Final	B-Application
Fantasy	I-Application
installments	O
stems	O
from	O
Nomura	O
's	O
hesitation	O
to	O
use	O
characters	O
he	O
did	O
not	O
design	O
.	O
</s>
<s>
The	O
game	O
also	O
uses	O
other	O
Final	B-Application
Fantasy	I-Application
icons	O
such	O
as	O
the	O
Moogles	O
who	O
mediate	O
item	O
synthesis	O
.	O
</s>
<s>
Meanwhile	O
,	O
a	O
group	O
of	O
Disney	O
villains	O
led	O
by	O
Maleficent	O
seek	O
out	O
the	O
seven	O
Princesses	O
of	O
Heart	O
to	O
unlock	O
the	O
final	O
keyhole	O
that	O
leads	O
to	O
Kingdom	B-Application
Hearts	I-Application
,	O
a	O
repository	O
of	O
knowledge	O
and	O
power	O
,	O
and	O
the	O
source	O
of	O
all	O
hearts	O
.	O
</s>
<s>
After	O
the	O
three	O
defeat	O
Maleficent	O
,	O
Sora	O
finds	O
Kairi	O
's	O
comatose	O
body	O
and	O
confronts	O
Riku	O
,	O
who	O
is	O
now	O
possessed	O
by	O
Ansem	O
,	O
a	O
figure	O
who	O
has	O
been	O
manipulating	O
Maleficent	O
from	O
the	O
beginning	O
to	O
open	O
the	O
way	O
to	O
Kingdom	B-Application
Hearts	I-Application
.	O
</s>
<s>
After	O
Kairi	O
gives	O
him	O
a	O
good	O
luck	O
charm	O
,	O
Sora	O
and	O
his	O
group	O
venture	O
to	O
the	O
End	O
of	O
the	O
World	O
,	O
the	O
remnants	O
of	O
the	O
worlds	O
destroyed	O
by	O
the	O
Heartless	O
,	O
to	O
confront	O
Ansem	O
as	O
he	O
reaches	O
the	O
door	O
to	O
Kingdom	B-Application
Hearts	I-Application
.	O
</s>
<s>
After	O
a	O
battle	O
,	O
Ansem	O
calls	O
upon	O
Kingdom	B-Application
Hearts	I-Application
to	O
aid	O
him	O
,	O
believing	O
it	O
to	O
be	O
the	O
ultimate	O
reservoir	O
of	O
darkness	O
.	O
</s>
<s>
The	O
initial	O
idea	O
for	O
Kingdom	B-Application
Hearts	I-Application
began	O
with	O
a	O
discussion	O
between	O
Shinji	O
Hashimoto	O
and	O
Hironobu	O
Sakaguchi	O
about	O
Super	B-Application
Mario	I-Application
64	I-Application
.	O
</s>
<s>
They	O
were	O
planning	O
to	O
make	O
a	O
game	O
with	O
freedom	O
of	O
movement	O
in	O
three	O
dimensions	O
like	O
Super	B-Application
Mario	I-Application
64	I-Application
but	O
lamented	O
that	O
only	O
characters	O
as	O
popular	O
as	O
Disney	O
's	O
could	O
rival	O
a	O
Mario	O
game	O
.	O
</s>
<s>
After	O
executive	O
producer	O
Hironobu	O
Sakaguchi	O
told	O
director	O
Tetsuya	O
Nomura	O
the	O
game	O
would	O
be	O
a	O
failure	O
if	O
it	O
did	O
not	O
aim	O
for	O
the	O
same	O
level	O
as	O
the	O
Final	B-Application
Fantasy	I-Application
series	O
,	O
Nomura	O
began	O
to	O
develop	O
the	O
story	O
further	O
.	O
</s>
<s>
Later	O
on	O
,	O
when	O
the	O
development	O
team	O
began	O
to	O
think	O
about	O
"	O
hearts	O
"	O
as	O
a	O
core	O
part	O
of	O
the	O
story	O
,	O
it	O
was	O
decided	O
to	O
combine	O
the	O
two	O
to	O
form	O
the	O
title	O
Kingdom	B-Application
Hearts	I-Application
.	O
</s>
<s>
Additional	O
content	O
was	O
added	O
to	O
the	O
North	O
American	O
release	O
that	O
was	O
absent	O
in	O
the	O
initial	O
Japanese	O
release	O
:	O
new	O
optional	O
bosses	O
,	O
one	O
of	O
which	O
,	O
Kurt	O
Zisa	O
,	O
was	O
named	O
after	O
the	O
winner	O
of	O
the	O
official	O
website	O
's	O
"	O
Name-In-Game	O
"	O
sweepstakes	O
,	O
an	O
extra	O
difficulty	O
level	O
,	O
and	O
a	O
teaser	O
of	O
Kingdom	B-Application
Hearts	I-Application
II	I-Application
accessible	O
by	O
meeting	O
certain	O
criteria	O
.	O
</s>
<s>
The	O
new	O
content	O
was	O
later	O
added	O
to	O
the	O
Japanese	O
re-release	O
Kingdom	B-Application
Hearts	I-Application
Final	I-Application
Mix	I-Application
.	O
</s>
<s>
Some	O
content	O
omitted	O
from	O
Kingdom	B-Application
Hearts	I-Application
was	O
later	O
added	O
into	O
Kingdom	B-Application
Hearts	I-Application
II	I-Application
.	O
</s>
<s>
A	O
world	O
based	O
on	O
The	B-Application
Lion	I-Application
King	I-Application
,	O
for	O
instance	O
,	O
was	O
unfeasible	O
because	O
an	O
additional	O
program	O
was	O
required	O
to	O
process	O
movement	O
on	O
four	O
legs	O
—	O
a	O
necessity	O
since	O
Sora	O
would	O
become	O
a	O
lion	O
in	O
that	O
world	O
.	O
</s>
<s>
She	O
was	O
later	O
included	O
in	O
Kingdom	B-Application
Hearts	I-Application
II	I-Application
as	O
a	O
more	O
developed	O
character	O
.	O
</s>
<s>
Yoko	O
Shimomura	O
composed	O
and	O
produced	O
the	O
music	O
of	O
Kingdom	B-Application
Hearts	I-Application
.	O
</s>
<s>
Utada	O
was	O
the	O
only	O
singer	O
Nomura	O
had	O
in	O
mind	O
for	O
the	O
Kingdom	B-Application
Hearts	I-Application
theme	O
song	O
.	O
</s>
<s>
The	O
Kingdom	B-Application
Hearts	I-Application
soundtrack	O
was	O
released	O
on	O
a	O
two	O
CD	O
set	O
on	O
March	O
27	O
,	O
2002	O
,	O
in	O
Japan	O
and	O
a	O
year	O
later	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
The	O
soundtrack	O
was	O
later	O
included	O
in	O
the	O
Kingdom	B-Application
Hearts	I-Application
Original	O
Soundtrack	O
Complete	O
,	O
which	O
was	O
released	O
in	O
Japan	O
on	O
March	O
28	O
,	O
2007	O
.	O
</s>
<s>
Music	O
from	O
Kingdom	B-Application
Hearts	I-Application
was	O
also	O
included	O
in	O
Shimomura	O
's	O
best	O
works	O
compilation	O
album	O
Drammatica	O
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
featured	O
well-known	O
voice	O
actors	O
for	O
both	O
the	O
Japanese	O
and	O
English	O
versions	O
.	O
</s>
<s>
A	O
special	O
effort	O
was	O
made	O
to	O
preserve	O
the	O
official	O
voice	O
actors	O
of	O
characters	O
from	O
the	O
Disney	O
movies	O
used	O
in	O
Kingdom	B-Application
Hearts	I-Application
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
was	O
announced	O
at	O
the	O
Electronic	O
Entertainment	O
Expo	O
in	O
May	O
2001	O
.	O
</s>
<s>
The	O
gameplay	O
of	O
the	O
demo	O
showcased	O
many	O
action	B-Application
role-playing	I-Application
game	I-Application
elements	O
that	O
would	O
be	O
included	O
in	O
the	O
final	O
product	O
.	O
</s>
<s>
Multiple	O
versions	O
of	O
Kingdom	B-Application
Hearts	I-Application
have	O
been	O
released	O
.	O
</s>
<s>
The	O
game	O
was	O
later	O
re-released	O
in	O
Japan	O
as	O
Kingdom	B-Application
Hearts	I-Application
Final	I-Application
Mix	I-Application
,	O
which	O
features	O
the	O
content	O
of	O
the	O
North	O
American/PAL	O
release	O
,	O
as	O
well	O
as	O
more	O
new	O
content	O
.	O
</s>
<s>
Originally	O
released	O
only	O
in	O
Japan	O
on	O
December	O
26	O
,	O
2002	O
,	O
Kingdom	B-Application
Hearts	I-Application
Final	I-Application
Mix	I-Application
has	O
several	O
events	O
and	O
a	O
number	O
of	O
gameplay	O
tweaks	O
that	O
are	O
not	O
in	O
previous	O
releases	O
.	O
</s>
<s>
New	O
scenes	O
,	O
clarifying	O
certain	O
plot	O
points	O
,	O
such	O
as	O
Riku	O
's	O
journey	O
and	O
foreshadowing	O
of	O
Kingdom	B-Application
Hearts	I-Application
II	I-Application
,	O
were	O
included	O
,	O
but	O
no	O
new	O
dialogue	O
was	O
recorded	O
.	O
</s>
<s>
When	O
first	O
released	O
,	O
Final	O
Mix	O
included	O
either	O
a	O
deck	O
of	O
Kingdom	B-Application
Hearts	I-Application
cards	O
or	O
special	O
music	O
CD	O
.	O
</s>
<s>
A	O
limited	O
"	O
Platinum	O
Edition	O
"	O
version	O
of	O
Kingdom	B-Application
Hearts	I-Application
Final	I-Application
Mix	I-Application
was	O
later	O
released	O
with	O
an	O
action	O
figure	O
of	O
Sora	O
,	O
a	O
sticker	O
set	O
,	O
and	O
sketches	O
of	O
some	O
of	O
the	O
main	O
characters	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
the	O
first	O
time	O
in	O
North	O
America	O
,	O
Europe	O
and	O
Australia	O
as	O
part	O
of	O
Kingdom	B-Application
Hearts	I-Application
HD	I-Application
1.5	I-Application
Remix	I-Application
.	O
</s>
<s>
In	O
September	O
2012	O
,	O
Square	O
Enix	O
announced	O
Kingdom	B-Application
Hearts	I-Application
HD	I-Application
1.5	I-Application
Remix	I-Application
,	O
a	O
compilation	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
that	O
includes	O
both	O
Kingdom	B-Application
Hearts	I-Application
Final	I-Application
Mix	I-Application
and	O
Kingdom	B-Application
Hearts	I-Application
Re:Chain	O
of	O
Memories	O
in	O
HD	O
and	O
trophy	O
support	O
.	O
</s>
<s>
The	O
character	O
models	O
from	O
Kingdom	B-Application
Hearts	I-Application
3D	I-Application
:	I-Application
Dream	I-Application
Drop	I-Application
Distance	I-Application
were	O
used	O
as	O
a	O
base	O
for	O
the	O
game	O
's	O
characters	O
.	O
</s>
<s>
The	O
gameplay	O
of	O
the	O
original	O
Kingdom	B-Application
Hearts	I-Application
was	O
modified	O
to	O
play	O
more	O
like	O
Kingdom	B-Application
Hearts	I-Application
II	I-Application
.	O
</s>
<s>
Additionally	O
,	O
the	O
collection	O
includes	O
HD	O
cinematic	O
scenes	O
from	O
Kingdom	B-Application
Hearts	I-Application
358/2	I-Application
Days	I-Application
.	O
</s>
<s>
In	O
June	O
2013	O
,	O
Nomura	O
stated	O
that	O
the	O
original	O
game	O
assets	O
for	O
Kingdom	B-Application
Hearts	I-Application
had	O
been	O
lost	O
some	O
time	O
ago	O
.	O
</s>
<s>
In	O
October	O
2016	O
,	O
Square	O
Enix	O
announced	O
a	O
single-disc	O
compilation	O
release	O
of	O
Kingdom	B-Application
Hearts	I-Application
HD	I-Application
1.5	I-Application
Remix	I-Application
and	O
Kingdom	B-Application
Hearts	I-Application
HD	O
2.5	O
Remix	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
.	O
</s>
<s>
Additional	O
pieces	O
of	O
free	O
downloadable	B-Protocol
content	I-Protocol
for	O
the	O
PS4	B-Operating_System
version	O
released	O
in	O
June	O
2017	O
added	O
a	O
Theater	O
mode	O
for	O
Kingdom	B-Application
Hearts	I-Application
Final	I-Application
Mix	I-Application
and	O
an	O
extended	O
scene	O
for	O
Kingdom	B-Application
Hearts	I-Application
358/2	I-Application
Days	I-Application
.	O
</s>
<s>
On	O
November	O
14	O
,	O
2019	O
,	O
Square	O
Enix	O
announced	O
that	O
both	O
Kingdom	B-Application
Hearts	I-Application
HD	I-Application
1.5	I-Application
Remix	I-Application
and	O
Kingdom	B-Application
Hearts	I-Application
HD	O
2.5	O
Remix	O
were	O
coming	O
to	O
Xbox	B-Device
One	I-Device
,	O
marking	O
the	O
Xbox	B-Device
debut	O
of	O
the	O
first	O
2	O
Kingdom	B-Application
Hearts	I-Application
games	O
and	O
spinoffs	O
.	O
</s>
<s>
The	O
two	O
games	O
are	O
combined	O
into	O
a	O
collection	O
titled	O
Kingdom	B-Application
Hearts	I-Application
HD	O
1.5	O
+	O
2.5	O
Remix	O
,	O
and	O
released	O
on	O
February	O
18	O
,	O
2020	O
.	O
</s>
<s>
Like	O
the	O
Final	B-Application
Fantasy	I-Application
games	I-Application
,	O
Square	O
released	O
an	O
Ultimania	O
book	O
on	O
Kingdom	B-Application
Hearts	I-Application
in	O
Japan	O
following	O
the	O
release	O
of	O
the	O
game	O
and	O
a	O
revised	O
edition	O
following	O
the	O
release	O
of	O
Final	O
Mix	O
.	O
</s>
<s>
The	O
manga	O
was	O
originally	O
serialized	O
in	O
Japan	O
by	O
Enterbrain	O
's	O
Famitsū	O
PS2	B-Device
,	O
but	O
has	O
since	O
been	O
released	O
worldwide	O
in	O
four	O
volumes	O
.	O
</s>
<s>
The	O
series	O
was	O
followed	O
by	O
others	O
based	O
on	O
the	O
game	O
's	O
sequels	O
:	O
Kingdom	B-Application
Hearts	I-Application
:	I-Application
Chain	I-Application
of	I-Application
Memories	I-Application
and	O
Kingdom	B-Application
Hearts	I-Application
II	I-Application
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
sold	O
very	O
well	O
.	O
</s>
<s>
At	O
the	O
end	O
of	O
April	O
2003	O
,	O
Square	O
announced	O
that	O
Kingdom	B-Application
Hearts	I-Application
had	O
sold	O
its	O
millionth	O
copy	O
in	O
the	O
United	O
States	O
,	O
which	O
made	O
it	O
eligible	O
for	O
PlayStation	O
's	O
"	O
Greatest	B-Device
Hits	I-Device
"	O
status	O
,	O
and	O
over	O
3.0million	O
worldwide	O
.	O
</s>
<s>
In	O
December	O
2005	O
,	O
the	O
NPD	O
Group	O
listed	O
it	O
as	O
"	O
one	O
of	O
the	O
top	O
ten	O
best-selling	O
PlayStation2	B-Device
titles	O
of	O
all	O
time	O
in	O
North	O
America.	O
"	O
</s>
<s>
By	O
July	O
2006	O
,	O
Kingdom	B-Application
Hearts	I-Application
had	O
sold	O
through	O
2.6	O
million	O
copies	O
and	O
earned	O
$100	O
million	O
in	O
the	O
United	O
States	O
alone	O
.	O
</s>
<s>
Next	O
Generation	O
ranked	O
it	O
as	O
the	O
seventh	O
highest-selling	O
game	O
launched	O
for	O
the	O
PlayStation	B-Device
2	I-Device
,	O
Xbox	B-Device
or	O
GameCube	B-Application
between	O
January	O
2000	O
and	O
July	O
2006	O
in	O
that	O
country	O
.	O
</s>
<s>
As	O
of	O
December	O
2006	O
,	O
Kingdom	B-Application
Hearts	I-Application
had	O
shipped	O
over	O
5.6million	O
copies	O
worldwide	O
with	O
1.1million	O
in	O
PAL	O
regions	O
,	O
1.5million	O
in	O
Japan	O
,	O
and	O
3.0million	O
in	O
North	O
America	O
.	O
</s>
<s>
As	O
of	O
2006	O
,	O
the	O
original	O
game	O
and	O
the	O
Final	O
Mix	O
version	O
had	O
sold	O
6	O
million	O
copies	O
on	O
PS2	B-Device
.	O
</s>
<s>
As	O
of	O
October	O
2021	O
,	O
the	O
Kingdom	B-Application
Hearts	I-Application
series	O
has	O
shipped	O
over	O
35	O
million	O
copies	O
worldwide	O
.	O
</s>
<s>
In	O
IGN	O
's	O
Best	O
of	O
2002	O
awards	O
,	O
it	O
was	O
nominated	O
for	O
"	O
PS2	B-Device
's	O
Best	O
Game	O
of	O
2002	O
Editor	O
's	O
Choice	O
Award	O
"	O
and	O
was	O
a	O
runner	O
up	O
for	O
"	O
PS2	B-Device
's	O
Best	O
Game	O
of	O
2002	O
Reader	O
's	O
Choice	O
Award.	O
"	O
</s>
<s>
In	O
2007	O
,	O
the	O
website	O
listed	O
Kingdom	B-Application
Hearts	I-Application
as	O
the	O
22nd	O
best	O
PlayStation2	B-Device
game	O
of	O
all	O
time	O
.	O
</s>
<s>
IGN	O
named	O
it	O
"	O
Best	O
Art	O
Style/Direction	O
,	O
"	O
runner-up	O
for	O
"	O
Best	O
CG	O
Graphics	O
,	O
"	O
and	O
honorable	O
mention	O
for	O
"	O
Best	O
Animation	O
"	O
in	O
IGN	O
's	O
2003	O
list	O
of	O
"	O
Best	O
Looking	O
Games	O
on	O
PS2.	O
"	O
</s>
<s>
GameSpy	O
listed	O
Kingdom	B-Application
Hearts	I-Application
twice	O
in	O
its	O
"	O
Top	O
25	O
Video	O
Game	O
Cinematic	O
Moments.	O
"	O
</s>
<s>
GamePro	O
compared	O
the	O
battle	O
system	O
to	O
"	O
old	O
N64	B-Operating_System
Zelda	O
games	O
"	O
and	O
had	O
positive	O
comments	O
about	O
Donald	O
and	O
Goofy	O
's	O
artificial	B-Application
intelligence	I-Application
.	I-Application
</s>
<s>
GameSpot	O
commented	O
that	O
the	O
concept	O
of	O
mixing	O
the	O
serious	O
elements	O
of	O
Final	B-Application
Fantasy	I-Application
with	O
the	O
lighter	O
elements	O
of	O
Disney	O
seemed	O
impossible	O
,	O
but	O
was	O
pulled	O
off	O
quite	O
well	O
.	O
</s>
<s>
Because	O
of	O
that	O
they	O
awarded	O
Kingdom	B-Application
Hearts	I-Application
"	O
Best	O
Crossover	O
Since	O
Capcom	B-Application
vs.	I-Application
SNK	I-Application
"	O
in	O
their	O
2002	O
Best	O
and	O
Worst	O
of	O
the	O
Year	O
awards	O
.	O
</s>
<s>
Fan	O
response	O
was	O
also	O
positive	O
;	O
Kingdom	B-Application
Hearts	I-Application
was	O
voted	O
as	O
the	O
19th	O
best	O
game	O
of	O
all-time	O
by	O
readers	O
of	O
the	O
Japanese	O
magazine	O
Famitsu	O
,	O
16th	O
by	O
the	O
users	O
of	O
website	O
GameFAQs	O
,	O
and	O
92nd	O
by	O
IGN	O
users	O
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
ranked	O
ninth	O
on	O
IGN	O
's	O
most	O
recent	O
"	O
Top	O
25	O
PS2	B-Device
Games	O
of	O
All	O
Time	O
"	O
list	O
.	O
</s>
<s>
In	O
the	O
making	O
of	O
the	O
2004	O
video	O
game	O
Fullmetal	B-Application
Alchemist	I-Application
and	I-Application
the	I-Application
Broken	I-Application
Angel	I-Application
the	O
developers	O
,	O
Racjin	O
,	O
looked	O
at	O
other	O
titles	O
for	O
inspiration	O
,	O
particularly	O
Kingdom	B-Application
Hearts	I-Application
when	O
making	O
the	O
game	O
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
was	O
followed	O
by	O
several	O
sequels	O
,	O
becoming	O
the	O
first	O
game	O
in	O
the	O
Kingdom	B-Application
Hearts	I-Application
series	O
.	O
</s>
<s>
It	O
was	O
followed	O
by	O
a	O
direct	O
sequel	O
,	O
Kingdom	B-Application
Hearts	I-Application
:	I-Application
Chain	I-Application
of	I-Application
Memories	I-Application
,	O
on	O
the	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
Advance	I-Device
,	O
which	O
was	O
released	O
in	O
Japan	O
on	O
November	O
11	O
,	O
2004	O
.	O
</s>
<s>
Kingdom	B-Application
Hearts	I-Application
II	I-Application
is	O
the	O
third	O
game	O
in	O
the	O
series	O
,	O
set	O
one	O
year	O
after	O
Chain	B-Application
of	I-Application
Memories	I-Application
,	O
and	O
was	O
released	O
in	O
Japan	O
on	O
December	O
22	O
,	O
2005	O
,	O
for	O
Sony	B-Device
PlayStation	I-Device
2	I-Device
.	O
</s>
<s>
Like	O
the	O
first	O
game	O
it	O
was	O
re-released	O
as	O
Kingdom	B-Application
Hearts	I-Application
II	I-Application
Final	O
Mix	O
alongside	O
a	O
PS2	B-Device
remake	O
of	O
Chain	B-Application
of	I-Application
Memories	I-Application
.	O
</s>
<s>
A	O
Kingdom	B-Application
Hearts	I-Application
game	O
was	O
developed	O
exclusively	O
for	O
V	O
CAST	O
,	O
Verizon	B-Application
Wireless	I-Application
's	O
broadband	O
service	O
,	O
and	O
was	O
released	O
on	O
October	O
1	O
,	O
2004	O
,	O
in	O
Japan	O
and	O
on	O
February	O
4	O
,	O
2005	O
,	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
In	O
November	O
2008	O
,	O
Kingdom	B-Application
Hearts	I-Application
coded	I-Application
was	O
released	O
for	O
mobile	O
phones	O
in	O
Japan	O
,	O
the	O
game	O
takes	O
place	O
after	O
the	O
events	O
of	O
Kingdom	B-Application
Hearts	I-Application
II	I-Application
.	O
</s>
<s>
A	O
followup	O
,	O
Kingdom	B-Application
Hearts	I-Application
358/2	I-Application
Days	I-Application
,	O
was	O
developed	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
and	O
released	O
in	O
Japan	O
on	O
May	O
30	O
,	O
2009	O
,	O
and	O
in	O
North	O
America	O
on	O
September	O
29	O
,	O
2009	O
.	O
</s>
<s>
A	O
prequel	O
was	O
released	O
in	O
Japan	O
on	O
January	O
9	O
,	O
2010	O
,	O
entitled	O
Kingdom	B-Application
Hearts	I-Application
Birth	I-Application
by	I-Application
Sleep	I-Application
,	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
,	O
which	O
takes	O
place	O
10	O
years	O
before	O
the	O
events	O
of	O
Kingdom	B-Application
Hearts	I-Application
.	O
</s>
<s>
The	O
following	O
title	O
in	O
the	O
series	O
was	O
Kingdom	B-Application
Hearts	I-Application
3D	I-Application
:	I-Application
Dream	I-Application
Drop	I-Application
Distance	I-Application
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
,	O
released	O
in	O
2012	O
.	O
</s>
<s>
At	O
E3	O
2013	O
,	O
Kingdom	B-Application
Hearts	I-Application
III	I-Application
was	O
announced	O
to	O
be	O
in	O
development	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
,	O
before	O
being	O
released	O
in	O
January	O
2019	O
,	O
followed	O
by	O
a	O
downloadable	B-Protocol
content	I-Protocol
expansion	O
titled	O
Kingdom	B-Application
Hearts	I-Application
III	I-Application
Re	O
Mind	O
in	O
early	O
2020	O
.	O
</s>
<s>
The	O
following	O
title	O
,	O
Kingdom	B-Application
Hearts	I-Application
:	I-Application
Melody	I-Application
of	I-Application
Memory	I-Application
,	O
set	O
after	O
the	O
Re	O
Mind	O
scenario	O
,	O
was	O
then	O
released	O
in	O
Japan	O
on	O
November	O
11	O
,	O
2020	O
,	O
and	O
worldwide	O
two	O
days	O
later	O
.	O
</s>
<s>
During	O
Square	O
Enix	O
's	O
20th	O
anniversary	O
event	O
for	O
the	O
franchise	O
in	O
April	O
2022	O
,	O
a	O
mobile	O
title	O
,	O
Kingdom	B-Application
Hearts	I-Application
Missing-Link	O
,	O
was	O
announced	O
for	O
iOS	B-Application
and	O
Android	B-Application
devices	O
,	O
with	O
a	O
closed	O
beta	O
arriving	O
in	O
August	O
,	O
while	O
the	O
next	O
mainline	O
installment	O
,	O
Kingdom	B-Application
Hearts	I-Application
IV	O
,	O
was	O
also	O
revealed	O
to	O
be	O
in	O
development	O
.	O
</s>
