<s>
The	O
Atari	B-General_Concept
2600	I-General_Concept
(	O
previously	O
known	O
as	O
the	O
Atari	B-General_Concept
VCS	I-General_Concept
)	O
was	O
the	O
most	O
successful	O
home	O
system	O
of	O
its	B-Application
generation	I-Application
,	O
and	O
it	O
was	O
home	O
to	O
many	O
popular	O
games	O
that	O
sold	O
millions	O
of	O
copies	O
(	O
a	O
figure	O
unheard	O
of	O
before	O
)	O
.	O
</s>
<s>
The	O
best-selling	B-Application
video	I-Application
game	I-Application
on	O
the	O
console	O
is	O
Pac-Man	B-Application
,	O
a	O
port	O
of	O
the	O
arcade	B-Application
game	I-Application
of	I-Application
the	I-Application
same	I-Application
name	I-Application
programmed	O
by	O
Tod	O
Frye	O
.	O
</s>
<s>
Originally	O
created	O
by	O
Toru	O
Iwatani	O
and	O
released	O
in	O
1980	O
,	O
Pac-Man	B-Application
was	O
later	O
ported	O
to	O
many	O
home	O
video	B-Application
game	I-Application
consoles	I-Application
,	O
beginning	O
with	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
in	O
1982	O
.	O
</s>
<s>
Pac-Man	B-Application
went	O
on	O
to	O
sell	O
over	O
8	O
million	O
units	O
worldwide	O
.	O
</s>
<s>
The	O
second	O
best-selling	O
Atari	B-General_Concept
2600	I-General_Concept
game	O
is	O
Space	B-Application
Invaders	I-Application
,	O
a	O
port	O
of	O
the	O
1978	O
Taito	O
arcade	O
game	O
that	O
was	O
programmed	O
by	O
Rick	O
Maurer	O
,	O
which	O
was	O
released	O
in	O
1980	O
and	O
became	O
the	O
first	O
video	O
game	O
to	O
sell	O
a	O
million	O
copies	O
.	O
</s>
<s>
It	O
went	O
on	O
to	O
sell	O
over	O
copies	O
,	O
was	O
the	O
best-selling	O
game	O
on	O
the	O
system	O
(	O
until	O
Pac-Man	B-Application
)	O
,	O
and	O
is	O
credited	O
with	O
increasing	O
the	O
VCS	O
’s	O
sales	O
and	O
popularity	O
.	O
</s>
<s>
The	O
other	O
three	O
titles	O
among	O
the	O
top	O
five	O
best-selling	O
Atari	B-General_Concept
2600	I-General_Concept
games	O
are	O
Pitfall	B-Application
!	I-Application
</s>
<s>
(	O
designed	O
by	O
David	O
Crane	O
for	O
Activision	O
)	O
,	O
Donkey	B-Application
Kong	I-Application
(	O
a	O
port	O
of	O
the	O
1981	O
Nintendo	O
arcade	O
game	O
programmed	O
by	O
Garry	O
Kitchen	O
for	O
Coleco	O
)	O
,	O
and	O
Frogger	B-Application
(	O
a	O
port	O
of	O
the	O
Konami	O
and	O
Sega	O
arcade	O
game	O
programmed	O
by	O
Ed	O
English	O
for	O
Parker	O
Brothers	O
)	O
,	O
each	O
having	O
sold	O
over	O
4	O
million	O
units	O
.	O
</s>
<s>
28	O
video	O
games	O
released	O
on	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
sold	O
at	O
least	O
one	O
million	O
copies	O
,	O
of	O
which	O
15	O
were	O
developed	O
and/or	O
published	O
by	O
the	O
console	O
's	O
manufacturer	O
,	O
Atari	O
,	O
Inc	O
.	O
Other	O
publishers	O
with	O
multiple	O
entries	O
in	O
the	O
top	O
20	O
are	O
Activision	O
(	O
six	O
titles	O
)	O
,	O
Imagic	O
(	O
three	O
titles	O
)	O
and	O
Parker	O
Brothers	O
(	O
two	O
titles	O
)	O
.	O
</s>
<s>
+	O
List	B-Application
of	I-Application
best-selling	I-Application
video	I-Application
games	I-Application
on	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
Title	O
Developer	O
/	O
PublisherArcade	O
port	O
Licensor	O
Programmer(s )	O
Release	O
date	O
Sales	O
Reference(s )	O
Pac-ManAtari	O
,	O
Inc.YesNamcoTod	O
Frye	O
Space	O
InvadersAtari	O
,	O
Inc.YesTaitoRick	O
Maurer	O
Donkey	O
KongColecoYesNintendoGarry	O
KitchenPitfall	O
!	O
ActivisionNoDavid	O
CraneFroggerParker	O
BrothersYesSega	O
EnterprisesEd	O
EnglishAsteroidsAtari	O
,	O
Inc.YesBradley	O
G	O
.	O
StewartDefenderAtari	O
,	O
Inc.YesWilliams	O
ElectronicsBob	O
Polaro	O
E.T.	B-Application
</s>
