<s>
Imperial	B-Application
SaGa	I-Application
is	O
a	O
role-playing	O
browser	B-Protocol
game	I-Protocol
developed	O
by	O
Think	O
&	O
Feel	O
for	O
web	B-Application
browsers	I-Application
.	O
</s>
<s>
The	O
eleventh	O
installment	O
in	O
the	O
SaGa	B-Operating_System
series	O
,	O
the	O
game	O
was	O
published	O
by	O
Square	O
Enix	O
in	O
2015	O
.	O
</s>
<s>
Set	O
in	O
an	O
original	O
world	O
,	O
the	O
player	O
controls	O
an	O
emperor	O
or	O
empress	O
as	O
they	O
maintain	O
their	O
empire	O
against	O
magical	O
and	O
human	O
threats	O
;	O
while	O
there	O
is	O
an	O
original	O
narrative	O
with	O
a	O
final	O
boss	O
,	O
many	O
of	O
the	O
events	O
are	O
based	O
on	O
the	O
plots	O
and	O
characters	O
of	O
previous	O
SaGa	B-Operating_System
games	O
.	O
</s>
<s>
The	O
turn-based	O
mechanics	O
and	O
usage-based	O
growth	O
system	O
of	O
earlier	O
SaGa	B-Operating_System
games	O
is	O
carried	O
over	O
into	O
Imperial	B-Application
SaGa	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
as	O
a	O
browser-based	O
equivalent	O
to	O
the	O
mobile	O
phone	O
game	O
Emperors	B-Application
SaGa	I-Application
.	O
</s>
<s>
The	O
original	O
scenario	O
was	O
created	O
by	O
Emperors	B-Application
Saga	I-Application
writer	O
Moku	O
Tochibori	O
,	O
while	O
additional	O
work	O
and	O
later	O
scenarios	O
by	O
Benny	O
Matsuyama	O
;	O
both	O
of	O
whom	O
had	O
worked	O
on	O
game	O
projects	O
and	O
supplementary	O
material	O
for	O
Square	O
Enix	O
.	O
</s>
<s>
Imperial	B-Application
SaGa	I-Application
is	O
a	O
role-playing	O
browser	B-Protocol
game	I-Protocol
in	O
which	O
players	O
take	O
the	O
role	O
of	O
a	O
line	O
of	O
Emperors	O
or	O
Empresses	O
;	O
their	O
goal	O
is	O
the	O
defeat	O
enemies	O
,	O
expanding	O
their	O
territory	O
and	O
defending	O
their	O
people	O
.	O
</s>
<s>
Rather	O
than	O
a	O
traditional	O
leveling	O
system	O
,	O
Imperial	B-Application
SaGa	I-Application
uses	O
the	O
usage-based	O
system	O
of	O
earlier	O
SaGa	B-Operating_System
games	O
;	O
actions	O
performed	O
in	O
battle	O
randomly	O
raise	O
a	O
character	O
's	O
statistics	O
,	O
using	O
a	O
skill	O
regularly	O
enough	O
raises	O
the	O
strength	O
of	O
that	O
skill	O
,	O
and	O
new	O
skills	O
are	O
unlocked	O
upon	O
using	O
a	O
similar	O
skill	O
enough	O
times	O
.	O
</s>
<s>
Imperial	B-Application
SaGa	I-Application
was	O
developed	O
by	O
Japanese	O
studio	O
Think	O
&	O
Feel	O
,	O
who	O
had	O
previously	O
worked	O
with	O
Square	O
Enix	O
on	O
the	O
Nintendo	B-Device
DS	I-Device
titles	O
Final	B-Application
Fantasy	I-Application
XII	I-Application
:	I-Application
Revenant	I-Application
Wings	I-Application
and	O
Blood	B-Application
of	I-Application
Bahamut	I-Application
.	O
</s>
<s>
Imperial	B-Application
SaGa	I-Application
was	O
the	O
first	O
SaGa	B-Operating_System
game	O
developed	O
for	O
PC	O
browser	B-Application
platforms	O
.	O
</s>
<s>
Development	O
began	O
in	O
2012	O
after	O
Square	O
Enix	O
producer	O
Kei	O
Hirono	O
saw	O
the	O
strong	O
positive	O
reception	O
of	O
the	O
mobile	O
game	O
Emperors	B-Application
SaGa	I-Application
;	O
his	O
aim	O
was	O
to	O
create	O
an	O
equivalent	O
experience	O
for	O
browsers	B-Application
and	O
begin	O
a	O
series	O
of	O
similar	O
expansions	O
for	O
the	O
SaGa	B-Operating_System
franchise	O
.	O
</s>
<s>
Work	O
on	O
Imperial	B-Application
SaGa	I-Application
ran	O
parallel	O
to	O
both	O
the	O
continued	O
support	O
for	O
Emperors	B-Application
SaGa	I-Application
and	O
the	O
upcoming	O
SaGa	B-Application
:	I-Application
Scarlet	I-Application
Grace	I-Application
.	O
</s>
<s>
While	O
Emperors	B-Application
SaGa	I-Application
had	O
been	O
a	O
card-based	O
battle	O
game	O
,	O
Imperial	B-Application
SaGa	I-Application
was	O
designed	O
with	O
gameplay	O
similar	O
to	O
the	O
rest	O
of	O
the	O
SaGa	B-Operating_System
series	O
.	O
</s>
<s>
The	O
music	O
was	O
composed	O
by	O
Kenji	O
Ito	O
,	O
who	O
first	O
co-composed	O
the	O
music	O
for	O
Final	B-Application
Fantasy	I-Application
Legend	I-Application
II	I-Application
and	O
was	O
sole	O
composer	O
for	O
the	O
Romancing	B-Application
SaGa	I-Application
games	O
and	O
SaGa	B-Application
Frontier	I-Application
.	O
</s>
<s>
The	O
original	O
scenario	O
was	O
written	O
by	O
Moku	O
Tochibori	O
,	O
who	O
had	O
previously	O
worked	O
on	O
Emperors	B-Application
SaGa	I-Application
,	O
in	O
addition	O
to	O
game	O
titles	O
including	O
Metal	B-Application
Gear	I-Application
Acid	I-Application
and	O
Final	B-Application
Fantasy	I-Application
Type-0	I-Application
.	O
</s>
<s>
The	O
succession	O
of	O
rulers	O
which	O
played	O
a	O
part	O
in	O
the	O
narrative	O
was	O
directly	O
inspired	O
by	O
Romancing	B-Application
SaGa	I-Application
2	I-Application
.	O
</s>
<s>
During	O
his	O
work	O
on	O
the	O
game	O
,	O
Tochibori	O
's	O
writing	O
ended	O
up	O
influencing	O
a	O
quest	O
for	O
Emperors	B-Application
SaGa	I-Application
based	O
on	O
Romancing	B-Application
SaGa	I-Application
2	I-Application
after	O
his	O
scenario	O
impressed	O
Kawazu	O
.	O
</s>
<s>
The	O
dark	O
tone	O
was	O
intended	O
to	O
reflect	O
both	O
Romancing	B-Application
SaGa	I-Application
and	O
SaGa	B-Application
Frontier	I-Application
.	O
</s>
<s>
The	O
promotional	O
and	O
original	O
character	O
artwork	O
was	O
created	O
by	O
series	O
artist	O
Tomomi	O
Kobayashi	O
,	O
who	O
was	O
brought	O
in	O
to	O
appeal	O
to	O
long-time	O
fans	O
of	O
the	O
SaGa	B-Operating_System
series	O
.	O
</s>
<s>
Other	O
new	O
characters	O
and	O
redesigns	O
of	O
earlier	O
protagonists	O
being	O
handled	O
by	O
Kurahana	O
Chinatsu	O
,	O
noted	O
for	O
her	O
work	O
on	O
Uta	B-Application
no	I-Application
Prince-sama	I-Application
.	O
</s>
<s>
Despite	O
the	O
contrasting	O
styles	O
of	O
Kobayashi	O
and	O
Chinatsu	O
,	O
Hirono	O
did	O
not	O
want	O
to	O
force	O
Chinatsu	O
to	O
mimic	O
the	O
older	O
art	O
style	O
,	O
and	O
Kawazu	O
was	O
pleased	O
that	O
her	O
designs	O
remained	O
original	O
while	O
fitting	O
into	O
the	O
SaGa	B-Operating_System
series	O
.	O
</s>
<s>
The	O
character	O
sprites	O
were	O
created	O
using	O
a	O
modern	O
form	O
of	O
the	O
"	O
dot	O
graphic	O
"	O
pixel	O
art	O
used	O
in	O
early	O
SaGa	B-Operating_System
titles	O
.	O
</s>
<s>
Imperial	B-Application
SaGa	I-Application
was	O
first	O
announced	O
during	O
a	O
special	O
livestream	O
alongside	O
SaGa	B-Application
:	I-Application
Scarlet	I-Application
Grace	I-Application
;	O
the	O
two	O
games	O
were	O
announced	O
as	O
part	O
of	O
the	O
series	O
 '	O
25th	O
anniversary	O
celebrations	O
.	O
</s>
<s>
Pre-registration	O
for	O
the	O
game	O
opened	O
in	O
May	O
2015	O
,	O
offering	O
rewards	O
of	O
characters	O
themed	O
after	O
Romancing	B-Application
SaGa	I-Application
2	I-Application
.	O
</s>
<s>
The	O
game	O
released	O
on	O
multiple	O
browser	B-Application
platforms	O
on	O
June	O
18	O
,	O
2015	O
,	O
with	O
later	O
versions	O
launching	O
for	O
new	O
browser	B-Application
servers	O
in	O
2016	O
.	O
</s>
<s>
Square	O
announced	O
that	O
it	O
would	O
end	O
support	O
for	O
Imperial	B-Application
Saga	I-Application
in	O
December	O
2019	O
due	O
to	O
waning	O
support	O
for	O
Adobe	O
Flash	O
.	O
</s>
