<s>
is	O
a	O
video	O
game	O
"	O
without	O
a	O
genre	O
"	O
developed	O
by	O
Level-5	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
,	O
PlayStation	B-Device
Vita	I-Device
,	O
and	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
A	O
demo	O
of	O
the	O
game	O
was	O
included	O
with	O
the	O
release	O
of	O
Level-5	O
'	O
s	O
Nintendo	B-Operating_System
3DS	I-Operating_System
eShop	O
title	O
,	O
Guild01	O
.	O
</s>
<s>
The	O
game	O
's	O
mystery-themed	O
narrative	O
was	O
penned	O
by	O
Jiro	O
Ishii	O
,	O
who	O
previously	O
directed	O
Chunsoft	O
's	O
acclaimed	O
2008	O
visual	O
novel	O
428	B-Application
:	I-Application
Shibuya	I-Application
Scramble	I-Application
,	O
as	O
well	O
as	O
the	O
1987	O
cyberpunk	O
adventure	O
game	O
Imitation	O
City	O
.	O
</s>
<s>
Time	B-Application
Travelers	I-Application
is	O
a	O
cinematic	O
interactive	O
drama	O
game	O
with	O
multiple	O
choices	O
.	O
</s>
<s>
Their	O
choices	O
will	O
be	O
displayed	O
in	O
the	O
flowchart	B-Language
.	O
</s>
<s>
Both	O
Nintendo	B-Operating_System
3DS	I-Operating_System
and	O
PlayStation	B-Device
Vita	I-Device
version	O
can	O
be	O
played	O
using	O
either	O
the	O
touch	O
screen	O
or	O
buttons	O
,	O
while	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
version	O
lacks	O
the	O
touch	O
screen	O
functionality	O
.	O
</s>
<s>
Mikoto	O
Shindo	O
,	O
a	O
teenage	O
girl	O
who	O
has	O
time	O
travel	O
ability	O
,	O
must	O
gather	O
the	O
fellow	O
time	B-Application
travelers	I-Application
to	O
prevent	O
a	O
second	O
"	O
Lost	O
Hole	O
"	O
disaster	O
and	O
also	O
to	O
stop	O
a	O
terrorist	O
group	O
named	O
"	O
Mysterious	O
Skull	O
"	O
.	O
</s>
<s>
The	O
music	O
for	O
Time	B-Application
Travelers	I-Application
was	O
composed	O
,	O
arranged	O
,	O
and	O
produced	O
by	O
Hideki	O
Sakamoto	O
.	O
</s>
