<s>
is	O
a	O
music	B-Application
video	I-Application
game	I-Application
released	O
in	O
2000	O
for	O
the	O
WonderSwan	B-Operating_System
Color	I-Operating_System
.	O
</s>
<s>
In	O
similarities	O
to	O
Vib-Ribbon	B-Application
,	O
the	O
game	O
's	O
plot	O
involved	O
the	O
adventures	O
of	O
Kerorican	B-Application
,	O
a	O
female	O
astronaut	O
wearing	O
kemonomimi-style	O
frog-helmet	O
,	O
as	O
she	O
walks	O
along	O
accompanied	O
by	O
music	B-Application
import	O
from	O
NanaOn-Sha	O
'	O
s	O
debut	O
game	O
Tunin'Glue	O
.	O
</s>
<s>
As	O
Kerorican	B-Application
continues	O
her	O
walk	O
,	O
she	O
encounters	O
enemies	O
and	O
obstacles	O
.	O
</s>
<s>
Kerorican	B-Application
must	O
jump	O
,	O
duck	O
,	O
kick	O
aside	O
,	O
or	O
otherwise	O
dodge	O
these	O
obstacles	O
to	O
progress	O
and	O
as	O
she	O
does	O
so	O
,	O
the	O
actions	O
she	O
takes	O
add	O
notes	O
to	O
the	O
song	O
such	O
that	O
the	O
player	O
's	O
actions	O
results	O
in	O
a	O
generative	O
melody	O
.	O
</s>
<s>
By	O
successfully	O
clearing	O
obstacles	O
,	O
Kerorican	B-Application
's	O
combo	O
count	O
increases	O
for	O
a	O
result	O
to	O
reward	O
the	O
player	O
a	O
crown	O
that	O
acts	O
to	O
skip	O
over	O
obstacles	O
.	O
</s>
<s>
It	O
is	O
the	O
only	O
WonderSwan	B-Operating_System
Color	I-Operating_System
game	O
to	O
be	O
held	O
diagonally	O
,	O
although	O
the	O
text	O
in	O
the	O
game	O
was	O
oblique	O
.	O
</s>
