<s>
Valkyria	B-Application
Chronicles	I-Application
4	I-Application
is	O
a	O
tactical	O
role-playing	O
game	O
developed	O
and	O
published	O
by	O
Sega	O
,	O
with	O
assistance	O
from	O
Media.Vision	O
.	O
</s>
<s>
It	O
is	O
the	O
fourth	O
main	O
game	O
in	O
the	O
Valkyria	B-Application
Chronicles	I-Application
series	O
.	O
</s>
<s>
It	O
was	O
released	O
in	O
Japan	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
in	O
March	O
2018	O
,	O
and	O
worldwide	O
,	O
in	O
addition	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
Windows	O
,	O
and	O
Xbox	B-Device
One	I-Device
in	O
September	O
2018	O
.	O
</s>
<s>
It	O
was	O
also	O
ported	O
to	O
Stadia	B-Application
on	O
December	O
8	O
,	O
2020	O
,	O
and	O
to	O
Amazon	B-Operating_System
Luna	I-Operating_System
on	O
July	O
8	O
,	O
2021	O
.	O
</s>
<s>
Valkyria	B-Application
Chronicles	I-Application
4	I-Application
is	O
a	O
strategy	O
game	O
in	O
the	O
style	O
of	O
the	O
first	O
three	O
games	O
in	O
the	O
series	O
.	O
</s>
<s>
The	O
game	O
was	O
produced	O
by	O
Kei	O
Mikami	O
,	O
who	O
was	O
involved	O
in	O
the	O
production	O
of	O
Valkyria	B-Application
Revolution	I-Application
,	O
and	O
directed	O
by	O
Kohei	O
Yamashita	O
.	O
</s>
<s>
From	O
the	O
start	O
,	O
the	O
developers	O
had	O
the	O
goal	O
to	O
build	O
a	O
worldwide	O
audience	O
for	O
the	O
Valkyria	B-Application
Chronicles	I-Application
series	O
,	O
with	O
the	O
concept	O
of	O
returning	O
to	O
the	O
style	O
of	O
the	O
original	O
Valkyria	B-Application
Chronicles	I-Application
game	O
while	O
building	O
upon	O
developments	O
from	O
later	O
games	O
in	O
the	O
series	O
:	O
whereas	O
the	O
PlayStation	O
Portable	O
game	O
Valkyria	B-Application
Chronicles	I-Application
II	I-Application
had	O
been	O
developed	O
specifically	O
with	O
a	O
Japanese	O
audience	O
in	O
mind	O
due	O
to	O
the	O
popularity	O
of	O
the	O
platform	O
in	O
that	O
region	O
,	O
with	O
"	O
fantastical	O
"	O
characters	O
and	O
a	O
school	O
setting	O
,	O
Valkyria	B-Application
Chronicles	I-Application
4	I-Application
uses	O
a	O
more	O
grounded	O
military	O
setting	O
with	O
characters	O
intended	O
to	O
feel	O
like	O
real	O
people	O
.	O
</s>
<s>
As	O
part	O
of	O
the	O
project	O
,	O
the	O
developers	O
began	O
with	O
developing	O
Valkyria	B-Application
Chronicles	I-Application
Remastered	I-Application
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
,	O
to	O
allow	O
players	O
to	O
experience	O
the	O
main	O
series	O
 '	O
gameplay	O
on	O
a	O
modern	O
platform	O
.	O
</s>
<s>
For	O
the	O
Japanese	O
release	O
,	O
a	O
series	O
anniversary	O
downloadable	B-Protocol
content	I-Protocol
pack	O
was	O
released	O
,	O
which	O
includes	O
a	O
25	O
track	O
soundtrack	O
CD	O
that	O
includes	O
musical	O
tracks	O
from	O
all	O
four	O
games	O
.	O
</s>
<s>
To	O
promote	O
the	O
game	O
's	O
release	O
in	O
Japan	O
,	O
Sony	O
released	O
limited	O
edition	O
PlayStation	B-Operating_System
4	I-Operating_System
consoles	O
themed	O
around	O
the	O
game	O
.	O
</s>
<s>
Valkyria	B-Application
Chronicles	I-Application
4	I-Application
has	O
aggregate	O
scores	O
of	O
82/100	O
for	O
the	O
Switch	O
,	O
83/100	O
for	O
the	O
PC	O
,	O
and	O
85/100	O
for	O
the	O
PS4	B-Operating_System
on	O
Metacritic	O
,	O
signifying	O
"	O
generally	O
favorable	O
reviews	O
"	O
.	O
</s>
<s>
During	O
its	O
initial	O
March	O
release	O
on	O
PS4	B-Operating_System
,	O
the	O
game	O
sold	O
76,778	O
physical	O
copies	O
within	O
its	O
first	O
three	O
weeks	O
in	O
Japan	O
.	O
</s>
<s>
In	O
June	O
2020	O
,	O
it	O
is	O
revealed	O
by	O
Sega	O
that	O
over	O
one	O
million	O
copies	O
of	O
Valkyria	B-Application
Chronicles	I-Application
4	I-Application
have	O
been	O
sold	O
worldwide	O
on	O
all	O
platforms	O
.	O
</s>
