<s>
SaGa	B-Operating_System
is	O
a	O
series	O
of	O
role-playing	O
video	O
games	O
developed	O
and	O
published	O
by	O
Square	O
Enix	O
(	O
formerly	O
Square	O
)	O
.	O
</s>
<s>
Its	O
first	O
game	O
premiered	O
in	O
Japan	O
in	O
1989	O
,	O
and	O
SaGa	B-Operating_System
games	O
have	O
subsequently	O
been	O
localized	B-General_Concept
for	O
markets	O
in	O
North	O
America	O
and	O
Europe	O
across	O
multiple	O
video	B-Device
game	I-Device
consoles	I-Device
since	O
the	O
series	O
debut	O
on	O
the	O
Game	B-Device
Boy	I-Device
with	O
The	B-Application
Final	I-Application
Fantasy	I-Application
Legend	I-Application
.	O
</s>
<s>
The	O
original	B-Device
Game	I-Device
Boy	I-Device
trilogy	O
was	O
released	O
outside	O
of	O
Japan	O
under	O
the	O
Final	B-Application
Fantasy	I-Application
brand	O
for	O
marketing	O
purposes	O
but	O
was	O
otherwise	O
unrelated	O
to	O
the	O
franchise	O
.	O
</s>
<s>
New	O
SaGa	B-Operating_System
games	O
were	O
released	O
for	O
home	O
and	O
handheld	O
consoles	O
until	O
Unlimited	B-Application
Saga	I-Application
in	O
2002	O
,	O
after	O
which	O
Square	O
Enix	O
only	O
developed	O
ports	O
and	O
remakes	O
of	O
already	O
released	O
SaGa	B-Operating_System
games	O
until	O
SaGa	B-Application
:	I-Application
Scarlet	I-Application
Grace	I-Application
in	O
2016	O
.	O
</s>
<s>
Beginning	O
in	O
2012	O
with	O
Emperors	B-Application
SaGa	I-Application
,	O
the	O
series	O
expanded	O
onto	O
mobile	O
and	O
web	B-Application
browsers	I-Application
.	O
</s>
<s>
Square	O
Enix	O
published	O
one	O
collection	O
of	O
SaGa	B-Operating_System
games	O
,	O
the	O
2020	O
Collection	O
of	O
SaGa	B-Operating_System
:	O
Final	B-Application
Fantasy	I-Application
Legend	I-Application
for	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
containing	O
ports	O
of	O
the	O
original	O
three	O
SaGa	B-Operating_System
games	O
.	O
</s>
<s>
The	O
Romancing	O
SaGa	B-Operating_System
trilogy	O
is	O
the	O
best-selling	O
part	O
of	O
the	O
series	O
,	O
with	O
four	O
million	O
copies	O
sold	O
worldwide	O
.	O
</s>
