<s>
is	O
a	O
scrolling	O
shooter	O
video	O
game	O
for	O
the	O
Sega/Mega	B-Device
CD	I-Device
.	O
</s>
<s>
A	O
sequel	O
,	O
Keio	B-Application
Flying	I-Application
Squadron	I-Application
2	I-Application
,	O
was	O
released	O
in	O
1996	O
.	O
</s>
<s>
Keio	B-Application
Flying	I-Application
Squadron	I-Application
was	O
released	O
on	O
August	O
6	O
,	O
1993	O
,	O
in	O
Japan	O
,	O
and	O
on	O
November	O
10	O
,	O
1994	O
,	O
in	O
North	O
America	O
by	O
Victor	O
Entertainment	O
.	O
</s>
<s>
In	O
the	O
United	O
Kingdom	O
,	O
a	O
playable	O
demo	O
disc	O
for	O
Keio	B-Application
Flying	I-Application
Squadron	I-Application
containing	O
the	O
first	O
stage	O
was	O
provided	O
by	O
the	O
Sega	O
Pro	O
CD	O
magazine	O
in	O
its	O
December	O
1994	O
issue	O
.	O
</s>
<s>
The	O
game	O
has	O
appeared	O
on	O
multiple	O
top	O
lists	O
of	O
Mega	B-Device
CD	I-Device
games	O
.	O
</s>
<s>
Retro	O
Gamer	O
included	O
among	O
top	O
ten	O
Mega	B-Device
CD	I-Device
games	O
,	O
calling	O
it	O
"	O
a	O
perfectly	O
acceptable	O
substitute	O
"	O
of	O
Konami	O
's	O
Parodius	B-Application
that	O
features	O
"	O
similar	O
style	O
of	O
horizontally	O
scrolling	O
wackiness	O
and	O
puts	O
the	O
Mega-CD	B-Device
hardware	O
to	O
good	O
use	O
to	O
produce	O
some	O
excellent	O
cut-scenes	O
and	O
a	O
brilliant	O
CD-quality	O
soundtrack.	O
"	O
</s>
