<s>
Aokana	B-Application
-	I-Application
Four	I-Application
Rhythms	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
,	O
known	O
in	O
Japan	O
as	O
,	O
officially	O
abbreviated	O
as	O
and	O
translated	O
as	O
Four	O
Rhythms	O
Across	O
the	O
Blue	O
,	O
is	O
a	O
Japanese	O
adult	B-Application
visual	O
novel	O
developed	O
by	O
Sprite	O
and	O
released	O
for	O
Windows	B-Application
on	O
November	O
28	O
,	O
2014	O
.	O
</s>
<s>
The	O
game	O
was	O
ported	O
to	O
the	O
PlayStation	B-Device
Vita	I-Device
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
Aokana	B-Application
-	I-Application
Four	I-Application
Rhythms	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
is	O
a	O
romance	O
visual	O
novel	O
in	O
which	O
the	O
player	O
assumes	O
the	O
role	O
of	O
Masaya	O
Hinata	O
.	O
</s>
<s>
Aokana	B-Application
-	I-Application
Four	I-Application
Rhythms	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
is	O
Sprite	O
's	O
second	O
game	O
after	O
their	O
debut	O
title	O
Love	B-Application
,	I-Application
Election	I-Application
and	I-Application
Chocolate	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
released	O
on	O
November	O
28	O
,	O
2014	O
,	O
as	O
a	O
limited	O
edition	O
version	O
,	O
playable	O
on	O
a	O
Windows	B-Application
PC	I-Application
.	O
</s>
<s>
A	O
PlayStation	B-Device
Vita	I-Device
version	O
of	O
the	O
game	O
was	O
released	O
on	O
February	O
25	O
,	O
2016	O
,	O
and	O
a	O
high-definition	O
version	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
was	O
released	O
on	O
January	O
26	O
,	O
2017	O
.	O
</s>
<s>
A	O
Nintendo	B-Application
Switch	I-Application
version	O
of	O
the	O
game	O
was	O
released	O
in	O
late	O
2017	O
.	O
</s>
<s>
A	O
smartphone	O
game	O
titled	O
Aokana	B-Application
-	I-Application
Four	I-Application
Rhythms	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
:	O
Eternal	O
Sky	O
was	O
released	O
on	O
October	O
5	O
,	O
2016	O
,	O
and	O
a	O
sequel	O
titled	O
Aokana	B-Application
-	I-Application
Four	I-Application
Rhythms	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
:	O
Zwei	O
was	O
announced	O
at	O
the	O
AnimeJapan	O
event	O
in	O
March	O
2016	O
.	O
</s>
<s>
The	O
game	O
was	O
announced	O
for	O
an	O
English	O
release	O
by	O
NekoNyan	O
in	O
2019	O
on	O
Steam	B-Application
.	O
</s>
<s>
A	O
Nintendo	B-Application
Switch	I-Application
version	O
of	O
the	O
game	O
was	O
released	O
on	O
August	O
21	O
,	O
2020	O
in	O
North	O
America	O
and	O
Europe	O
.	O
</s>
<s>
However	O
,	O
it	O
has	O
been	O
delayed	O
to	O
an	O
undetermined	O
date	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
after	O
its	O
release	O
was	O
limited	O
to	O
digital-only	O
due	O
to	O
changes	O
related	O
to	O
seven	O
scenes	O
within	O
the	O
game	O
and	O
"	O
significantly	O
less	O
interest	O
"	O
expected	O
in	O
a	O
physical	O
version	O
as	O
a	O
result	O
.	O
</s>
<s>
Four	O
scenes	O
have	O
been	O
modified	O
and	O
three	O
have	O
been	O
removed	O
completely	O
,	O
while	O
the	O
Nintendo	B-Application
Switch	I-Application
release	O
received	O
no	O
changes	O
to	O
content	O
or	O
choice	O
between	O
physical	O
and	O
digital	O
versions	O
.	O
</s>
<s>
A	O
fandisc	O
titled	O
Aokana	B-Application
-	I-Application
Four	I-Application
Rhythms	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
:	O
Extra	O
1	O
was	O
released	O
in	O
Japan	O
on	O
June	O
30	O
,	O
2017	O
,	O
and	O
worldwide	O
on	O
June	O
11	O
,	O
2020	O
.	O
</s>
<s>
Extra	O
1S	O
,	O
a	O
Nintendo	B-Application
Switch	I-Application
port	O
of	O
Extra	O
1	O
,	O
is	O
confirmed	O
to	O
be	O
in	O
production	O
as	O
of	O
June	O
2022	O
,	O
containing	O
multiple	O
new	O
event	O
scenes	O
.	O
</s>
<s>
Aokana	B-Application
-	I-Application
Four	I-Application
Rhythms	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
:	O
Extra	O
2	O
,	O
the	O
second	O
fandisc	O
,	O
was	O
officially	O
announced	O
on	O
June	O
16	O
,	O
2020	O
,	O
and	O
was	O
released	O
in	O
Japan	O
on	O
May	O
27	O
,	O
2022	O
.	O
</s>
<s>
A	O
new	O
game	O
titled	O
Aokana	B-Application
-	I-Application
Four	I-Application
Rhythms	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
:	O
If	O
01	O
-	O
Minamo	O
Shirase	O
-	O
was	O
announced	O
by	O
Sprite	O
in	O
October	O
2021	O
,	O
and	O
is	O
currently	O
in	O
development	O
by	O
Filmic	O
Novel	O
,	O
a	O
brand	O
of	O
Sprite	O
.	O
</s>
<s>
Aokana	B-Application
:	I-Application
Four	I-Application
Rhythm	I-Application
Across	I-Application
the	I-Application
Blue	I-Application
has	O
seven	O
pieces	O
of	O
theme	O
music	O
:	O
one	O
opening	O
theme	O
,	O
one	O
insert	O
song	O
,	O
and	O
five	O
ending	O
themes	O
.	O
</s>
<s>
The	O
single	O
for	O
"	O
Contrail	O
(	O
Kiseki	O
)	O
"	O
was	O
released	O
on	O
January	O
27	O
,	O
2016	O
,	O
and	O
the	O
single	O
for	O
"	O
A-gain	O
"	O
was	O
released	O
on	O
February	O
17	O
,	O
2016	O
;	O
The	O
opening	O
theme	O
to	O
Ao	B-Application
no	I-Application
Kanata	I-Application
no	I-Application
Four	I-Application
Rhythm	I-Application
:	O
Eternal	O
Sky	O
is	O
"	O
Believe	O
in	O
the	O
Sky	O
"	O
by	O
Kawada	O
.	O
</s>
<s>
Thomas	O
Knight	O
of	O
"	O
NookGaming	O
"	O
praised	O
the	O
worldbuilding	O
,	O
and	O
Hey	O
Poor	O
Players'''	O
Kenny	O
McKee	O
said	O
that	O
"	O
If	O
you	O
like	O
VNs	O
,	O
you	O
’re	O
going	O
to	O
like	O
Aokana	B-Application
"	O
.	O
</s>
