<s>
is	O
a	O
puzzle	O
game	O
by	O
dB-Soft	O
in	O
the	O
same	O
vein	O
as	O
the	O
Eggerland	O
series	O
and	O
Sokoban	B-Device
that	O
is	O
obscure	O
outside	O
Japan	O
.	O
</s>
<s>
It	O
features	O
Flappy	B-Application
,	O
a	O
somewhat	O
mole-like	O
character	O
who	O
must	O
complete	O
each	O
level	O
by	O
pushing	O
a	O
blue	O
stone	O
from	O
its	O
starting	O
place	O
to	O
the	O
blue	O
tile	O
destination	O
.	O
</s>
<s>
Flappy	B-Application
first	O
appeared	O
on	O
the	O
Sharp	B-Device
X1	I-Device
home	O
computer	O
in	O
1983	O
.	O
</s>
<s>
Ports	O
for	O
the	O
MSX	B-Operating_System
computer	O
line	O
and	O
the	O
Family	O
Computer	O
were	O
released	O
in	O
1985	O
.	O
dB-Soft	O
produced	O
a	O
sequel	O
with	O
more	O
difficult	O
puzzles	O
called	O
King	O
Flappy	B-Application
for	O
the	O
benefit	O
of	O
anyone	O
who	O
managed	O
to	O
clear	O
the	O
original	O
200	O
levels	O
(	O
or	O
"	O
sides	O
"	O
or	O
"	O
scenes	O
"	O
as	O
the	O
game	O
calls	O
them	O
)	O
.	O
</s>
<s>
A	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
port	O
was	O
released	O
exclusively	O
in	O
Japan	O
in	O
1990	O
and	O
was	O
published	O
by	O
Victor	O
Musical	O
Industries	O
.	O
</s>
<s>
The	O
beautiful	O
planet	O
of	O
Blue	O
Star	O
,	O
home-planet	O
to	O
a	O
young	O
boy	O
named	O
FLAPPY	B-Application
,	O
is	O
invaded	O
by	O
Dark	O
Emperor	O
Ngalo-Ngolo	O
.	O
</s>
<s>
FLAPPY	B-Application
,	O
however	O
,	O
is	O
boarded	O
onto	O
an	O
escape	O
capsule	O
headed	O
for	O
neighboring	O
Planet	O
Seviras	O
by	O
his	O
father	O
and	O
so	O
survives	O
.	O
</s>
<s>
Wandering	O
aimlessly	O
about	O
Planet	O
Seviras	O
,	O
FLAPPY	B-Application
reaches	O
an	O
oasis	O
where	O
he	O
suddenly	O
hears	O
a	O
voice	O
from	O
the	O
sky	O
saying	O
,	O
'	O
Gather	O
up	O
the	O
fragments	O
of	O
Blue	O
Star	O
,	O
the	O
Blue	O
Stones	O
,	O
to	O
this	O
Blue	O
Area	O
.	O
</s>
<s>
When	O
all	O
of	O
them	O
have	O
been	O
gathered	O
...	O
'	O
FLAPPY	B-Application
,	O
believing	O
a	O
miracle	O
has	O
just	O
occurred	O
,	O
begins	O
on	O
a	O
journey	O
to	O
gather	O
all	O
the	O
Blue	O
Stones	O
.	O
</s>
<s>
Gravity	O
,	O
gaps	O
in	O
the	O
floors	O
,	O
and	O
wandering	O
enemies	O
stand	O
in	O
the	O
way	O
of	O
Flappy	B-Application
reaching	O
his	O
goal	O
.	O
</s>
<s>
Flappy	B-Application
can	O
pick	O
up	O
and	O
throw	O
sleeping	O
mushrooms	O
at	O
the	O
enemies	O
to	O
knock	O
them	O
out	O
for	O
a	O
while	O
,	O
or	O
drop	O
stones	O
on	O
them	O
to	O
crush	O
them	O
permanently	O
.	O
</s>
<s>
The	O
game	O
features	O
two	O
enemies	O
:	O
Unicorns	B-Application
and	O
Ebira	O
.	O
</s>
<s>
Unicorns	B-Application
are	O
green	O
creatures	O
that	O
move	O
in	O
mostly-repetitive	O
horizontal	O
patterns	O
.	O
</s>
<s>
Ebira	O
are	O
red	O
crab-like	O
enemies	O
(	O
the	O
word	O
"	O
ebi	O
"	O
is	O
a	O
Japanese	O
term	O
for	O
shellfish	O
)	O
that	O
relentlessly	O
chase	O
Flappy	B-Application
both	O
horizontally	O
and	O
vertically	O
.	O
</s>
<s>
Ebira	O
tend	O
to	O
mimic	O
Flappy	B-Application
's	O
movements	O
,	O
so	O
Flappy	B-Application
must	O
be	O
careful	O
to	O
avoid	O
being	O
charged	O
by	O
a	O
persistent	O
Ebira	O
.	O
</s>
<s>
Flappy	B-Application
,	O
Yahoo	O
!	O
</s>
