<s>
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
was	O
a	O
2006	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
developed	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Originally	O
developed	O
by	O
Puraguru	O
(	O
now	O
known	O
as	O
Vanillaware	O
)	O
and	O
Multiterm	O
under	O
the	O
title	O
Fantasy	B-Application
Earth	I-Application
:	I-Application
The	I-Application
Ring	I-Application
of	I-Application
Dominion	I-Application
,	O
it	O
was	O
released	O
by	O
Square	O
Enix	O
as	O
a	O
paid	O
product	O
through	O
its	O
PlayOnline	O
service	O
.	O
</s>
<s>
Fantasy	B-Application
Earth	I-Application
began	O
in	O
2001	O
as	O
a	O
project	O
under	O
Enix	O
,	O
with	O
Puraguru	O
founder	O
George	O
Kamitani	O
steering	O
the	O
project	O
away	O
from	O
its	O
initial	O
concept	O
of	O
humans	O
fighting	O
vampires	O
to	O
its	O
current	O
kingdom-based	O
aesthetic	O
.	O
</s>
<s>
Over	O
the	O
years	O
,	O
Fantasy	B-Application
Earth	I-Application
featured	O
collaborations	O
with	O
several	O
other	O
video	O
game	O
series	O
,	O
and	O
spawned	O
two	O
spin-off	O
mobile	O
titles	O
.	O
</s>
<s>
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
was	O
a	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
(	O
MMORPG	B-Protocol
)	O
in	O
which	O
the	O
player	O
controls	O
a	O
customizable	O
avatar	O
and	O
chooses	O
one	O
of	O
the	O
five	O
nations	O
to	O
ally	O
with	O
and	O
fight	O
for	O
.	O
</s>
<s>
Another	O
element	O
of	O
these	O
battles	O
was	O
a	O
building	O
and	O
fortification	O
aspect	O
similar	O
to	O
tower	B-Application
defense	I-Application
games	I-Application
.	O
</s>
<s>
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
began	O
production	O
in	O
2001	O
as	O
Fantasy	B-Application
Earth	I-Application
:	I-Application
The	I-Application
Ring	I-Application
of	I-Application
Dominion	I-Application
,	O
a	O
small-scale	O
online	O
game	O
project	O
led	O
by	O
Enix	O
.	O
</s>
<s>
During	O
this	O
period	O
,	O
it	O
was	O
headed	O
by	O
George	O
Kamitani	O
,	O
a	O
developer	O
whose	O
previous	O
work	O
included	O
fighting	O
games	O
for	O
Capcom	O
and	O
the	O
Sega	B-Device
Saturn	I-Device
game	O
Princess	B-Application
Crown	I-Application
.	O
</s>
<s>
It	O
was	O
Kamitani	O
's	O
first	O
time	O
developing	O
a	O
3D	O
game	O
,	O
and	O
he	O
recycled	O
artwork	O
and	O
assets	O
from	O
Dragon	B-Application
's	I-Application
Crown	I-Application
,	O
a	O
cancelled	O
Dreamcast	B-Operating_System
sequel	O
to	O
Princess	B-Application
Crown	I-Application
.	O
</s>
<s>
Production	O
of	O
Fantasy	B-Application
Earth	I-Application
began	O
when	O
asymmetric	O
digital	O
subscriber	O
lines	O
(	O
a	O
high	O
bandwidth	O
connection	O
technology	O
allowing	O
multiple	O
people	O
to	O
access	O
the	O
same	O
website	O
)	O
were	O
becoming	O
common	O
,	O
but	O
the	O
idea	O
of	O
a	O
hundred	O
players	O
fighting	O
each	O
other	O
was	O
highly	O
ambitious	O
for	O
its	O
time	O
and	O
caused	O
several	O
problems	O
.	O
</s>
<s>
It	O
was	O
the	O
second	O
announced	O
game	O
to	O
use	O
it	O
after	O
Final	B-Protocol
Fantasy	I-Protocol
XI	I-Protocol
,	O
and	O
formed	O
part	O
of	O
the	O
company	O
's	O
expanding	O
corporate	O
strategy	O
at	O
the	O
time	O
.	O
</s>
<s>
It	O
was	O
promoted	O
through	O
Chains	O
of	O
Promathia	O
,	O
an	O
expansion	O
to	O
Final	B-Protocol
Fantasy	I-Protocol
XI	I-Protocol
.	O
</s>
<s>
In	O
November	O
of	O
that	O
year	O
,	O
Square	O
Enix	O
transferred	O
ownership	O
and	O
management	O
of	O
Fantasy	B-Application
Earth	I-Application
to	O
Gamepot	O
;	O
the	O
move	O
came	O
with	O
a	O
shift	O
to	O
item-based	O
billing	O
,	O
with	O
the	O
base	O
game	O
being	O
a	O
free	O
download	O
.	O
</s>
<s>
With	O
the	O
transition	O
from	O
Square	O
Enix	O
to	O
Gamepot	O
,	O
the	O
game	O
was	O
renamed	O
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
.	O
</s>
<s>
As	O
a	O
result	O
of	O
discussions	O
concerning	O
the	O
game	O
's	O
future	O
between	O
NHN	O
Japan	O
and	O
Gamepot	O
,	O
staff	O
members	O
from	O
Multiterm	O
founded	O
FenixSoft	O
,	O
which	O
took	O
over	O
production	O
of	O
Fantasy	B-Application
Earth	I-Application
from	O
NHN	O
Japan	O
.	O
</s>
<s>
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
was	O
released	O
in	O
Mainland	O
China	O
during	O
April	O
2007	O
by	O
Square	O
Enix	O
's	O
local	O
branch	O
.	O
</s>
<s>
Square	O
Enix	O
closed	O
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
on	O
September	O
28	O
,	O
2022	O
.	O
</s>
<s>
By	O
contrast	O
,	O
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
rapidly	O
became	O
very	O
popular	O
and	O
one	O
of	O
Japan	O
's	O
most	O
active	O
online	O
games	O
of	O
2007	O
.	O
</s>
<s>
Contemporary	O
and	O
retrospective	O
of	O
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
were	O
also	O
positive	O
,	O
praising	O
similar	O
elements	O
to	O
its	O
original	O
release	O
,	O
but	O
also	O
noting	O
mechanical	O
improvements	O
and	O
positively	O
mentioning	O
the	O
item	O
billing	O
system	O
.	O
</s>
<s>
Writing	O
about	O
a	O
preview	O
build	O
for	O
the	O
press	O
,	O
MMORPG.coms	O
Carolyn	O
Koh	O
had	O
little	O
commentary	O
about	O
the	O
gameplay	O
but	O
noted	O
"	O
the	O
graphics	O
and	O
animation	O
look	O
good	O
and	O
the	O
music	O
is	O
superb	O
"	O
.	O
</s>
<s>
Following	O
their	O
departure	O
from	O
production	O
,	O
Kamitani	O
and	O
Puraguru	O
relocated	O
to	O
Kansai	O
and	O
renamed	O
themselves	O
Vanillaware	O
,	O
going	O
on	O
to	O
develop	O
multiple	O
titles	O
including	O
Odin	B-Application
Sphere	I-Application
and	O
a	O
reimagined	O
version	O
of	O
Dragon	B-Application
's	I-Application
Crown	I-Application
.	O
</s>
<s>
The	O
indie	O
title	O
Fantasy	O
Versus	O
,	O
developed	O
and	O
published	O
by	O
Animu	O
Games	O
,	O
was	O
influenced	O
by	O
the	O
gameplay	O
of	O
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
.	O
</s>
<s>
A	O
spin-off	O
title	O
set	O
in	O
the	O
original	O
game	O
's	O
universe	O
,	O
Melpharia	O
March	O
,	O
was	O
released	O
on	O
September	O
19	O
,	O
2013	O
for	O
iOS	B-Application
.	O
</s>
<s>
An	O
Android	B-Application
version	O
was	O
released	O
on	O
August	O
12	O
the	O
following	O
year	O
.	O
</s>
<s>
The	O
gameplay	O
used	O
a	O
field-based	O
tower	B-Application
defense	I-Application
style	O
similar	O
to	O
the	O
Plants	B-Application
vs.	I-Application
Zombies	I-Application
series	O
.	O
</s>
<s>
A	O
mobile	O
sequel	O
,	O
Fantasy	B-Application
Earth	I-Application
Genesis	O
,	O
was	O
developed	O
by	O
Asobimo	O
under	O
supervision	O
from	O
Square	O
Enix	O
for	O
Android	B-Application
and	O
iOS	B-Application
.	O
</s>
<s>
The	O
title	O
was	O
proposed	O
by	O
Asobimo	O
to	O
Square	O
Enix	O
in	O
2015	O
as	O
a	O
mobile	O
MMO	O
using	O
the	O
Fantasy	B-Application
Earth	I-Application
intellectual	O
property	O
.	O
</s>
<s>
The	O
title	O
was	O
aimed	O
both	O
at	O
newcomers	O
to	O
the	O
game	O
and	O
veteran	O
players	O
of	O
Fantasy	B-Application
Earth	I-Application
.	O
</s>
<s>
The	O
team	O
used	O
assets	O
from	O
Fantasy	B-Application
Earth	I-Application
Zero	I-Application
to	O
create	O
the	O
character	O
models	O
and	O
environments	O
.	O
</s>
