<s>
is	O
a	O
role-playing	O
video	O
game	O
developed	O
and	O
published	O
by	O
Spike	O
Chunsoft	O
,	O
with	O
assistance	O
from	O
tri-Ace	O
,	O
for	O
the	O
PlayStation	B-Device
Vita	I-Device
and	O
PlayStation	B-Operating_System
4	I-Operating_System
video	B-Device
game	I-Device
consoles	I-Device
.	O
</s>
<s>
Many	O
journalists	O
considered	O
it	O
a	O
spiritual	O
sequel	O
to	O
the	O
Valkyrie	B-Application
Profile	I-Application
series	O
of	O
games	O
also	O
by	O
tri-Ace	O
.	O
</s>
<s>
The	O
game	O
will	O
be	O
developed	O
by	O
much	O
of	O
the	O
same	O
tri-Ace	O
staff	O
that	O
had	O
worked	O
on	O
the	O
first	O
Valkyrie	B-Application
Profile	I-Application
game	O
,	O
with	O
assistance	O
from	O
Spike	O
Chunsoft	O
staff	O
as	O
well	O
.	O
</s>
<s>
Other	O
key	O
staff	O
for	O
the	O
game	O
include	O
character	O
designer	O
Mino	O
Taro	O
of	O
Konamis	O
Love	B-Application
Plus	I-Application
series	O
,	O
and	O
music	O
composer	O
Motoi	O
Sakuraba	O
,	O
composer	O
for	O
tri-Ace	O
'	O
s	O
Valkyrie	B-Application
Profile	I-Application
and	O
Star	B-Application
Ocean	I-Application
series	O
.	O
</s>
<s>
Trailers	O
for	O
each	O
of	O
the	O
game	O
's	O
characters	O
were	O
released	O
over	O
time	O
through	O
Famitsus	O
YouTube	B-General_Concept
channel	I-General_Concept
.	O
</s>
<s>
Shortly	O
after	O
the	O
game	O
's	O
Japanese	O
release	O
,	O
Spike	O
Chunsoft	O
announced	O
that	O
there	O
would	O
be	O
downloadable	B-Protocol
content	I-Protocol
collaborations	O
some	O
of	O
tri-Ace	O
'	O
s	O
other	O
games	O
,	O
including	O
Valkyrie	B-Application
Profile	I-Application
and	O
Star	B-Application
Ocean	I-Application
5	I-Application
games	O
.	O
</s>
<s>
The	O
collaborations	O
,	O
released	O
in	O
March	O
2016	O
,	O
consisted	O
of	O
character	O
costumes	O
based	O
on	O
character	O
's	O
from	O
the	O
two	O
aforementioned	O
titles	O
,	O
along	O
with	O
a	O
costume	O
to	O
dress	O
up	O
as	O
Monokuma	O
,	O
the	O
primary	O
antagonist	O
from	O
Spike	O
Chunsoft	O
's	O
Danganronpa	B-Application
series	O
of	O
video	O
games	O
.	O
</s>
<s>
NIS	O
America	O
,	O
a	O
frequent	O
publisher	O
for	O
Spike	O
Chunsoft	O
games	O
in	O
English	O
(	O
Danganronpa	B-Application
1	I-Application
,	O
Danganronpa	B-Application
2	I-Application
,	O
Danganronpa	B-Application
Another	I-Application
Episode	I-Application
)	O
,	O
gave	O
a	O
"	O
no	O
comment	O
"	O
response	O
when	O
asked	O
about	O
localizing	O
the	O
title	O
.	O
</s>
<s>
On	O
April	O
25	O
,	O
2016	O
,	O
Aksys	O
Games	O
announced	O
that	O
they	O
would	O
be	O
localizing	O
Exist	B-Application
Archive	I-Application
for	O
release	O
in	O
North	O
America	O
on	O
October	O
18	O
,	O
2016	O
.	O
</s>
<s>
Famitsu	O
gave	O
both	O
the	O
Vita	O
and	O
PS4	B-Operating_System
versions	O
of	O
the	O
game	O
a	O
33/40	O
rating	O
,	O
with	O
the	O
four	O
reviewers	O
giving	O
the	O
title	O
scores	O
of	O
8/8/8/9	O
.	O
</s>
<s>
The	O
game	O
sold	O
37,398	O
copies	O
in	O
its	O
opening	O
week	O
in	O
Japan	O
,	O
with	O
17,414	O
copies	O
sold	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
19,984	O
copies	O
sold	O
for	O
PlayStation	B-Device
Vita	I-Device
.	O
</s>
