<s>
The	O
game	O
is	O
the	O
second	O
to	O
be	O
developed	O
by	O
Tokyo	O
RPG	O
Factory	O
,	O
and	O
considered	O
a	O
spiritual	O
successor	O
to	O
their	O
first	O
title	O
,	O
I	B-Application
Am	I-Application
Setsuna	I-Application
.	I-Application
</s>
<s>
It	O
was	O
released	O
for	O
Nintendo	B-Application
Switch	I-Application
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Microsoft	B-Application
Windows	I-Application
in	O
Japan	O
in	O
October	O
2017	O
,	O
and	O
worldwide	O
in	O
January	O
2018	O
.	O
</s>
<s>
Lost	B-Application
Sphear	I-Application
plays	O
as	O
a	O
spiritual	O
successor	O
to	O
I	B-Application
Am	I-Application
Setsuna	I-Application
,	O
which	O
in	O
itself	O
was	O
created	O
to	O
emulate	O
the	O
style	O
of	O
1990	O
's	O
JRPGs	O
.	O
</s>
<s>
The	O
game	O
features	O
a	O
retooled	O
variant	O
of	O
the	O
Active	O
Time	O
Battle	O
system	O
found	O
in	O
I	B-Application
Am	I-Application
Setsuna	I-Application
,	O
Chrono	B-Application
Trigger	I-Application
,	O
and	O
older	O
Final	B-Application
Fantasy	I-Application
titles	O
.	O
</s>
<s>
Lost	B-Application
Sphear	I-Application
takes	O
place	O
on	O
an	O
unnamed	O
world	O
where	O
its	O
Moon	O
is	O
treated	O
as	O
its	O
creator	O
.	O
</s>
<s>
Square	O
Enix	O
appointed	O
Atsushi	O
Hashimoto	O
to	O
lead	O
the	O
company	O
due	O
to	O
his	O
views	O
aligning	O
with	O
their	O
goal	O
for	O
the	O
company	O
,	O
namely	O
creating	O
modern	O
JRPGs	O
similar	O
to	O
those	O
developed	O
in	O
the	O
1990s	O
,	O
such	O
as	O
Chrono	B-Application
Trigger	I-Application
and	O
Final	B-Application
Fantasy	I-Application
.	O
</s>
<s>
The	O
company	O
's	O
first	O
game	O
,	O
I	B-Application
Am	I-Application
Setsuna	I-Application
,	O
was	O
released	O
in	O
2016	O
,	O
and	O
was	O
successful	O
enough	O
to	O
warrant	O
developing	O
a	O
second	O
title	O
.	O
</s>
<s>
The	O
follow	O
up	O
,	O
Lost	B-Application
Sphear	I-Application
,	O
was	O
officially	O
revealed	O
on	O
May	O
30	O
,	O
2017	O
,	O
being	O
announced	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Microsoft	B-Application
Windows	I-Application
platforms	O
,	O
dropping	O
Setsuna	O
's	O
PlayStation	B-Device
Vita	I-Device
platform	O
.	O
</s>
<s>
The	O
game	O
had	O
a	O
physical	O
release	O
in	O
a	O
limited	O
capacity	O
outside	O
of	O
Japan	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
and	O
Switch	O
.	O
</s>
<s>
The	O
game	O
's	O
soundtrack	O
was	O
written	O
by	O
Tomoki	O
Miyoshi	O
,	O
who	O
previously	O
worked	O
on	O
the	O
music	O
for	O
I	B-Application
Am	I-Application
Setsuna	I-Application
.	I-Application
</s>
<s>
The	O
game	O
's	O
initial	O
Japanese	O
release	O
far	O
undersold	O
the	O
numbers	O
of	O
its	O
predecessor	O
I	B-Application
Am	I-Application
Setsuna	I-Application
;	O
while	O
I	B-Application
Am	I-Application
Setsuna	I-Application
sold	O
a	O
combined	O
61,623	O
copies	O
between	O
33,629	O
on	O
PS4	B-Operating_System
and	O
27,994	O
on	O
Vita	O
,	O
while	O
Lost	B-Application
Sphear	I-Application
sold	O
only	O
7,363	O
on	O
PS4	B-Operating_System
,	O
and	O
5,770	O
on	O
Switch	O
.	O
</s>
<s>
During	O
its	O
fiscal	O
year	O
ending	O
March	O
2018	O
,	O
Square	O
Enix	O
noted	O
Tokyo	O
RPG	O
Factory	O
had	O
achieved	O
a	O
profit	O
of	O
¥83	O
million	O
,	O
down	O
over	O
60%	O
from	O
their	O
profits	O
the	O
previous	O
year	O
following	O
the	O
release	O
of	O
I	B-Application
Am	I-Application
Setsuna	I-Application
.	I-Application
</s>
<s>
Both	O
the	O
PS4	B-Operating_System
and	O
Switch	O
versions	O
of	O
Lost	B-Application
Sphear	I-Application
received	O
32/40	O
review	O
scores	O
from	O
Famitsu	O
.	O
</s>
<s>
PCGamesN	O
praised	O
the	O
game	O
for	O
being	O
similar	O
to	O
Chrono	B-Application
Trigger	I-Application
,	O
concluding	O
"	O
It	O
is	O
so	O
familiar	O
,	O
and	O
so	O
well	O
executed	O
,	O
it	O
ca	O
n’t	O
help	O
but	O
bring	O
you	O
joy	O
...	O
But	O
it	O
is	O
not	O
all	O
nostalgia	O
,	O
and	O
in	O
fact	O
,	O
when	O
it	O
comes	O
down	O
to	O
the	O
brass	O
tacks	O
of	O
gameplay	O
,	O
it	O
is	O
the	O
freshest	O
RPG	O
I	O
have	O
played	O
in	O
some	O
time.	O
"	O
</s>
