<s>
Prop	B-Application
Cycle	I-Application
is	O
a	O
3D	O
flying	B-Application
simulator	I-Application
in	O
which	O
the	O
player	O
uses	O
a	O
human-powered	O
aircraft	O
to	O
pop	O
hot-air	O
balloons	O
in	O
the	O
city	O
of	O
Solitar	O
to	O
prevent	O
the	O
city	O
from	O
floating	O
away	O
permanently	O
.	O
</s>
<s>
Prop	B-Application
Cycle	I-Application
was	O
designed	O
by	O
Shigeki	O
Toyama	O
,	O
an	O
engineer	O
for	O
Namco	O
that	O
worked	O
on	O
games	O
such	O
as	O
Xevious	B-Application
(	O
1983	O
)	O
,	O
Final	B-Application
Lap	I-Application
(	O
1987	O
)	O
,	O
and	O
Point	B-Application
Blank	I-Application
(	O
1994	O
)	O
.	O
</s>
<s>
Toyama	O
was	O
inspired	O
to	O
create	O
Prop	B-Application
Cycle	I-Application
after	O
he	O
and	O
another	O
Namco	O
employee	O
finished	O
production	O
on	O
a	O
technical	O
demo	O
where	O
the	O
player	O
rode	O
in	O
a	O
human-powered	O
plane	O
and	O
shot	O
down	O
enemies	O
.	O
</s>
<s>
Since	O
Prop	B-Application
Cycle	I-Application
was	O
being	O
made	O
as	O
an	O
arcade	O
game	O
,	O
Toyama	O
wanted	O
the	O
game	O
to	O
be	O
highly	O
interactive	O
and	O
have	O
a	O
reason	O
to	O
be	O
exclusive	O
to	O
arcades	O
.	O
</s>
<s>
Toyama	O
wanted	O
Prop	B-Application
Cycle	I-Application
to	O
have	O
a	O
proper	O
storyline	O
in	O
addition	O
to	O
its	O
unique	O
game	O
concept	O
.	O
</s>
<s>
Game	O
Machine	O
claims	O
that	O
Prop	B-Application
Cycle	I-Application
was	O
the	O
second	O
most	O
popular	O
arcade	O
game	O
of	O
August	O
1996	O
in	O
Japan	O
.	O
</s>
