<s>
The	O
game	O
was	O
released	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
in	O
Japan	O
in	O
July	O
2016	O
and	O
in	O
North	O
American	O
and	O
Europe	O
in	O
June	O
2017	O
.	O
</s>
<s>
A	O
Windows	B-Application
version	O
was	O
released	O
worldwide	O
in	O
April	O
2018	O
.	O
</s>
<s>
Similar	O
to	O
gameplay	O
mechanics	O
found	O
in	O
Ace	B-Application
Attorney	I-Application
and	O
Danganronpa	B-Application
games	O
,	O
the	O
player	O
must	O
review	O
statements	O
from	O
characters	O
and	O
try	O
to	O
identify	O
contradictions	O
in	O
their	O
accounts	O
of	O
events	O
.	O
</s>
<s>
The	O
game	O
was	O
first	O
announced	O
in	O
February	O
2016	O
in	O
an	O
issue	O
of	O
Weekly	O
Famitsu	O
under	O
the	O
name	O
Black	B-Application
Rose	I-Application
Valkyrie	I-Application
.	O
</s>
<s>
In	O
November	O
,	O
Idea	O
Factory	O
announced	O
they	O
would	O
be	O
releasing	O
the	O
game	O
in	O
English	O
in	O
North	O
America	O
and	O
Europe	O
in	O
the	O
first	O
half	O
of	O
2017	O
,	O
under	O
the	O
new	O
name	O
Dark	B-Application
Rose	I-Application
Valkyrie	I-Application
.	O
</s>
<s>
The	O
game	O
features	O
staff	O
from	O
Namco	O
Bandai	O
's	O
long-running	O
Tales	O
series	O
,	O
including	O
character	O
designer	O
Kosuke	O
Fujishima	O
,	O
and	O
scenario	O
writer	O
Takumi	O
Miyajima	O
,	O
both	O
of	O
which	O
notably	O
worked	O
together	O
on	O
Tales	B-Application
of	I-Application
Symphonia	I-Application
and	O
Tales	B-Application
of	I-Application
the	I-Application
Abyss	I-Application
.	O
</s>
<s>
On	O
May	O
2	O
,	O
2017	O
Idea	O
Factory	O
International	O
announced	O
a	O
limited	O
edition	O
for	O
Dark	B-Application
Rose	I-Application
Valkyrie	I-Application
.	O
</s>
<s>
Dark	B-Application
Rose	I-Application
Valkyrie	I-Application
received	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
,	O
according	O
to	O
review	O
aggregator	O
Metacritic	O
.	O
</s>
