<s>
is	O
a	O
Japanese	O
adventure	O
video	O
game	O
developed	O
and	O
published	O
by	O
Konami	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
video	B-Device
game	I-Device
console	I-Device
.	O
</s>
<s>
The	O
game	O
was	O
written	O
by	O
Junko	O
Kawano	O
,	O
whose	O
PlayStation	B-Device
2	I-Device
work	O
Shadow	B-Application
of	I-Application
Memories	I-Application
also	O
features	O
a	O
young	O
man	O
using	O
a	O
time-travelling	O
device	O
to	O
try	O
and	O
alter	O
their	O
future	O
.	O
</s>
<s>
Time	B-Application
Hollow	I-Application
is	O
a	O
graphic	O
adventure	O
game	O
,	O
in	O
which	O
the	O
player	O
controls	O
protagonist	O
Ethan	O
Kairos	O
as	O
he	O
attempts	O
to	O
find	O
his	O
missing	O
parents	O
.	O
</s>
<s>
Time	B-Application
Hollow	I-Application
follows	O
the	O
story	O
of	O
Ethan	O
Kairos	O
,	O
whose	O
parents	O
,	O
Timothy	O
and	O
Pamela	O
Kairos	O
,	O
mysteriously	O
disappear	O
on	O
his	O
17th	O
birthday	O
.	O
</s>
<s>
The	O
main	O
character	O
of	O
Time	B-Application
Hollow	I-Application
,	O
a	O
normal	O
high	O
school	O
student	O
who	O
lives	O
with	O
his	O
family	O
.	O
</s>
<s>
Time	B-Application
Hollow	I-Application
received	O
"	O
mixed	O
"	O
reviews	O
according	O
to	O
video	O
game	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
The	O
main	O
theme	O
song	O
of	O
the	O
game	O
was	O
composed	O
and	O
arranged	O
by	O
Masanori	O
Akita	O
,	O
and	O
also	O
appeared	O
on	O
the	O
Japanese	O
PlayStation	B-Device
2	I-Device
version	O
of	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
SuperNova	I-Application
,	O
the	O
Arcade	O
version	O
of	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
SuperNova	I-Application
2	I-Application
and	O
the	O
North	O
American	O
PlayStation	B-Device
2	I-Device
versions	O
of	O
Dance	B-Application
Dance	I-Application
Revolution	I-Application
X	I-Application
.	O
</s>
