<s>
is	O
a	O
free-to-play	O
role-playing	O
gacha	O
game	O
developed	O
and	O
published	O
by	O
DeNA	O
for	O
iOS	B-Application
and	O
Android	B-Application
.	O
</s>
<s>
The	O
game	O
features	O
original	O
characters	O
and	O
stories	O
interacting	O
with	O
characters	O
,	O
scenarios	O
,	O
and	O
battles	O
from	O
other	O
games	O
in	O
the	O
Final	B-Application
Fantasy	I-Application
series	O
.	O
</s>
<s>
Players	O
enter	O
each	O
Final	B-Application
Fantasy	I-Application
titles	O
world	O
and	O
fight	O
to	O
clear	O
dungeons	O
.	O
</s>
<s>
Players	O
are	O
able	O
to	O
combine	O
parties	O
of	O
characters	O
from	O
different	O
Final	B-Application
Fantasy	I-Application
titles	O
.	O
</s>
<s>
The	O
game	O
has	O
players	O
to	O
reenact	O
many	O
climatic	O
moments	O
from	O
the	O
Final	B-Application
Fantasy	I-Application
series	O
,	O
such	O
as	O
the	O
Battle	O
on	O
the	O
Big	O
Bridge	O
against	O
Gilgamesh	O
.	O
</s>
<s>
In	O
2018	O
,	O
a	O
new	O
kind	O
of	O
dungeon	O
,	O
Record	O
Dungeons	O
was	O
launched	O
,	O
featuring	O
full	O
pixel-art	O
remakes	O
of	O
classic	O
Final	B-Application
Fantasy	I-Application
scenes	O
and	O
dungeons	O
,	O
and	O
an	O
all-new	O
adventure	O
and	O
records	O
to	O
explore	O
alongside	O
heroes	O
of	O
past	O
games	O
in	O
the	O
series	O
.	O
</s>
<s>
Being	O
his	O
best	O
student	O
,	O
Dr.	O
Mog	O
shares	O
his	O
magic	O
so	O
that	O
Tyro	O
can	O
enter	O
paintings	O
and	O
see	O
memories	O
of	O
different	O
worlds	O
,	O
which	O
are	O
previous	O
Final	B-Application
Fantasy	I-Application
titles	O
.	O
</s>
<s>
Developer	O
DeNA	O
proposed	O
doing	O
a	O
social	O
role-playing	O
game	O
to	O
Square	O
Enix	O
that	O
would	O
center	O
around	O
the	O
Final	B-Application
Fantasy	I-Application
series	O
,	O
similar	O
to	O
a	O
title	O
the	O
developer	O
had	O
worked	O
on	O
previously	O
called	O
Defender	O
of	O
Texel	O
.	O
</s>
<s>
For	O
the	O
international	O
release	O
of	O
the	O
game	O
,	O
artwork	O
from	O
any	O
remakes	O
that	O
had	O
been	O
done	O
of	O
earlier	O
Final	B-Application
Fantasy	I-Application
games	I-Application
were	O
used	O
,	O
as	O
developers	O
felt	O
that	O
American	O
audiences	O
were	O
connected	O
more	O
to	O
later	O
Final	B-Application
Fantasy	I-Application
games	I-Application
than	O
earlier	O
ones	O
.	O
</s>
<s>
To	O
draw	O
in	O
American	O
audiences	O
,	O
the	O
first	O
world	O
entered	O
in	O
the	O
game	O
is	O
from	O
Final	B-Application
Fantasy	I-Application
VII	I-Application
,	O
and	O
the	O
next	O
two	O
are	O
fan	O
favorites	O
in	O
Japan	O
:	O
Final	B-Application
Fantasy	I-Application
IV	I-Application
and	O
VI	B-Application
.	O
</s>
<s>
Final	B-Application
Fantasy	I-Application
Record	I-Application
Keeper	I-Application
received	O
positive	O
reviews	O
overall	O
.	O
</s>
<s>
IGN	O
praised	O
the	O
game	O
's	O
use	O
of	O
nostalgia	O
for	O
previous	O
Final	B-Application
Fantasy	I-Application
games	I-Application
and	O
fun	O
combat	O
and	O
customization	O
,	O
but	O
they	O
criticized	O
its	O
lack	O
of	O
character	O
interaction	O
and	O
shallow	O
story	O
,	O
making	O
it	O
hard	O
for	O
the	O
game	O
to	O
hold	O
players	O
 '	O
interest	O
.	O
</s>
<s>
VentureBeat	O
said	O
that	O
the	O
crafting	O
and	O
combining	O
of	O
items	O
and	O
weapons	O
was	O
"	O
actually	O
fun	O
"	O
and	O
felt	O
like	O
a	O
real	O
Final	B-Application
Fantasy	I-Application
game	I-Application
,	O
but	O
condemned	O
the	O
gameplay	O
as	O
being	O
boring	O
because	O
it	O
is	O
primarily	O
a	O
"	O
hands-off	O
"	O
experience	O
.	O
</s>
<s>
The	O
game	O
reached	O
five	O
million	O
downloads	O
in	O
six	O
months	O
in	O
Japan	O
and	O
was	O
in	O
the	O
top	O
five	O
highest-grossing	O
games	O
in	O
the	O
Apple	B-Application
App	I-Application
Store	I-Application
.	O
</s>
