<s>
is	O
a	O
2014	O
tactical	O
role-playing	O
game	O
by	O
Kadokawa	O
Games	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
PlayStation	B-Device
Vita	I-Device
.	O
</s>
<s>
The	O
game	O
was	O
originally	O
intended	O
to	O
be	O
a	O
release	O
title	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
,	O
however	O
was	O
delayed	O
twice	O
,	O
to	O
April	O
2014	O
.	O
</s>
<s>
Three	O
additional	O
online	O
co-op	O
missions	O
were	O
included	O
for	O
all	O
platforms	O
,	O
plus	O
a	O
set	O
of	O
extra	O
hard	O
missions	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
players	O
.	O
</s>
<s>
The	O
game	O
is	O
a	O
fantasy	O
simulation-type	O
RPG	O
based	O
along	O
the	O
concept	O
of	O
natural	B-Application
selection	I-Application
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
of	O
Natural	B-Application
Doctrine	I-Application
received	O
31/40	O
from	O
Japanese	O
magazine	O
Famitsu	O
,	O
while	O
the	O
PlayStation	B-Device
Vita	I-Device
version	O
received	O
a	O
score	O
of	O
30/40	O
.	O
</s>
