<s>
Skyfox	B-Application
is	O
a	O
combat	O
flight	O
simulation	O
game	O
developed	O
by	O
Ray	O
Tobey	O
for	O
the	O
Apple	B-Device
II	I-Device
and	O
published	O
by	O
Electronic	O
Arts	O
in	O
1984	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
Amstrad	B-Device
CPC	I-Device
,	O
Commodore	O
64	O
,	O
and	O
Macintosh	B-Application
in	O
1985	O
,	O
to	O
the	O
Amiga	B-Device
and	O
Atari	B-Device
ST	I-Device
in	O
1986	O
,	O
and	O
to	O
the	O
PC-88	B-Device
in	O
1988	O
.	O
</s>
<s>
The	O
1987	O
sequel	O
,	O
Skyfox	B-Application
II	I-Application
:	I-Application
The	I-Application
Cygnus	I-Application
Conflict	I-Application
,	O
was	O
developed	O
for	O
the	O
Commodore	O
64	O
by	O
Dynamix	O
without	O
Tobey	O
's	O
involvement	O
.	O
</s>
<s>
The	O
player	O
pilots	O
the	O
Skyfox	B-Application
,	O
the	O
most	O
advanced	O
attack	O
fighter	O
plane	O
available	O
to	O
the	O
fictional	O
government	O
,	O
the	O
Federation	O
.	O
</s>
<s>
Consequently	O
,	O
he	O
incorporated	O
a	O
Space	B-Application
Invaders	I-Application
game	O
into	O
Skyfox	B-Application
as	O
a	O
hidden	O
Easter	O
egg	O
activated	O
by	O
pressing	O
Ctrl-G	O
while	O
flying	O
.	O
</s>
<s>
The	O
Apple	B-Device
II	I-Device
version	O
can	O
use	O
a	O
Mockingboard	O
,	O
if	O
one	O
is	O
present	O
,	O
for	O
greatly	O
improved	O
audio	O
.	O
</s>
<s>
Skyfox	B-Application
was	O
Electronic	O
Arts	O
 '	O
best-selling	O
Commodore	O
64	O
game	O
as	O
of	O
late	O
1987	O
.	O
</s>
<s>
Info	O
rated	O
Skyfox	B-Application
for	O
the	O
Commodore	O
64	O
three-plus	O
stars	O
out	O
of	O
five	O
,	O
praising	O
the	O
graphics	O
but	O
stating	O
that	O
"	O
the	O
gamester	O
finds	O
a	O
much	O
less	O
involving	O
product	O
lying	O
below	O
the	O
surface	O
glitz	O
...	O
Good	O
run	O
for	O
a	O
few	O
hours	O
"	O
.	O
</s>
<s>
called	O
the	O
Amiga	B-Device
version	O
a	O
game	O
that	O
required	O
"	O
both	O
forethought	O
and	O
quick	O
reflexes	O
...	O
one	O
of	O
the	O
best	O
available	O
for	O
the	O
Amiga	B-Device
"	O
.	O
</s>
<s>
It	O
concluded	O
that	O
"	O
the	O
designers	O
and	O
programmers	O
have	O
outdone	O
themselves	O
in	O
exploiting	O
the	O
Amiga	B-Device
's	O
powerful	O
features	O
...	O
a	O
simulation	O
which	O
rivals	O
the	O
best	O
computer	O
games	O
available	O
in	O
any	O
medium	O
"	O
.	O
</s>
