<s>
Attack	B-Application
at	I-Application
EP-CYG-4	I-Application
is	O
a	O
shoot	O
'	O
em	O
up	O
video	O
game	O
created	O
by	O
Mike	O
Edwards	O
for	O
the	O
Atari	B-Device
8-bit	I-Device
family	I-Device
and	O
published	O
by	O
his	O
company	O
BRAM	O
,	O
Inc	O
.	O
in	O
1982	O
.	O
</s>
<s>
It	O
allows	O
two	O
players	O
to	O
cooperatively	O
control	O
the	O
action	O
against	O
a	O
computer	O
enemy	O
,	O
in	O
a	O
fashion	O
similar	O
to	O
Synapse	O
Software	O
's	O
Survivor	B-Application
,	O
also	O
released	O
in	O
1982	O
.	O
</s>
<s>
EP-CYG-4	O
was	O
the	O
first	O
of	O
Edwards	O
 '	O
game	O
efforts	O
,	O
and	O
its	O
success	O
led	O
to	O
the	O
creation	O
of	O
Zombies	O
,	O
which	O
was	O
published	O
by	O
Electronic	O
Arts	O
as	O
Realm	B-Application
of	I-Application
Impossibility	I-Application
.	O
</s>
<s>
The	O
player	O
's	O
ship	O
,	O
looking	O
like	O
a	O
flying	B-Language
saucer	I-Language
,	O
moves	O
in	O
the	O
eight	O
cardinal	O
directions	O
of	O
the	O
Atari	O
joystick	O
.	O
</s>
<s>
At	O
the	O
end	O
of	O
the	O
game	O
the	O
player	O
is	O
given	O
a	O
ranking	O
,	O
similar	O
to	O
the	O
system	O
in	O
Star	B-Application
Raiders	I-Application
.	O
</s>
<s>
He	O
purchased	O
an	O
Atari	O
after	O
seeing	O
Star	B-Application
Raiders	I-Application
.	O
</s>
<s>
After	O
having	O
the	O
machine	O
for	O
a	O
while	O
he	O
began	O
programming	O
on	O
it	O
,	O
and	O
at	O
the	O
suggestion	O
of	O
a	O
long	O
time	O
friend	O
,	O
wrote	O
a	O
simple	O
program	O
in	O
Atari	B-Language
BASIC	I-Language
to	O
sell	O
locally	O
as	O
a	O
tax	B-Application
dodge	I-Application
.	O
</s>
<s>
He	O
then	O
wrote	O
Attack	B-Application
at	I-Application
EP-CYG-4	I-Application
and	O
was	O
surprised	O
at	O
its	O
success	O
,	O
which	O
led	O
to	O
the	O
company	O
becoming	O
a	O
for-profit	O
publisher	O
.	O
</s>
<s>
The	O
Addison-Wesley	O
Book	O
of	O
Atari	O
Software	O
1983	O
gave	O
Attack	B-Application
at	I-Application
EP-CYG-4	I-Application
an	O
overall	O
rating	O
of	O
"	O
D	O
,	O
"	O
calling	O
it	O
"	O
a	O
game	O
of	O
mindless	O
,	O
systematic	O
destruction	O
requiring	O
little	O
thought	O
or	O
skill.	O
"	O
</s>
<s>
In	O
a	O
review	O
for	O
Creative	B-General_Concept
Computing	I-General_Concept
,	O
Arthur	O
Leyeberger	O
called	O
it	O
a	O
mix	O
of	O
Missile	B-Application
Command	I-Application
and	O
Protector	B-Application
II	I-Application
.	O
</s>
