| Atari 2600 cart. |  Adventure Model CX2613 | 1978 | Atari, Inc. CA, USA |
| Atari 2600 cart. | Adventures of Tron Model 4317 | 1983 | M Network Mattel Electronics Hawthorne, California, USA |
| Atari 2600 cart. |  Adventures on GX-12 Model 4317 A009 | 1989 | Telegames, Inc. TX, USA |
| Atari 2600 cart. |  Air Battle | 1982 | M Network Mattel Electronics Hawthorne, California, USA |
| Atari 2600 cart. | Air Raid Model M707 | 1982 | Men-A-Vision Los Angeles, CA, USA |
| Atari 2600 cart. | Air Raiders | 1982 | Telegames, Inc. TX, USA |
| Atari 2600 cart. | Air Raiders Model C-817 | 1983 | CCE Soft. Brazil |
| Atari 2600 cart. | Air Raiders Model MT5861 | 1982 | M Network Mattel Electronics Hawthorne, California, USA |
| Atari 2600 cart. |  Air-Sea Battle Model CX2602P | 1977 | Atari, Inc. CA, USA |
| Atari 2600 cart. | Air-Sea Battle Model CX2602 | 1977 | Atari, Inc. CA, USA |
| Atari 2600 cart. | Airlock Model 133-004 | 1983 | Gameworld |
| Atari 2600 cart. | Airlock Model DA1004 | 1982 | Data Age, Inc. Campbell, CA, USA |
| Atari 2600 cart. | Alarm in der Backstube Model 712 008-720 | 1983 | Ariolasoft Germany |
| Atari 2600 cart. | Alerte aux Requins Model AP 2005 | 1983 | RCA Video Jeux France |
| Atari 2600 cart. | Alices Abenteuer Model 732.273 8 | 1983 | Quelle |
| Atari 2600 cart. | Alien | 1982 | CCE Soft. Brazil |
| Atari 2600 cart. | Alien Model 11006 | 1982 | Fox Video Games, Inc. 20th Century Fox Santa Clara, CA, USA |
| Atari 2600 cart. | Alien's Return Model 554-33 391 | 1983 | ITT Family Games |
| Atari 2600 cart. | Alpha Beam with Ernie Model GX26103P | 1983 | Atari, Inc. CA, USA |
| Atari 2600 cart. | Alpha Beam with Ernie Model GX26103 | 1983 | Atari, Inc. CA, USA |
| Atari 2600 cart. | Amidar Model 931504 | 1983 | Parker Bros. Beverly, MA, USA |
| Atari 2600 cart. | Amidar Model A5310 | 1983 | Parker Bros. Beverly, MA, USA |
| Atari 2600 cart. | Amidar Model PB5310 P | 1983 | Parker Bros. Beverly, MA, USA |
| Atari 2600 cart. | Amphibious War Model C-852 | 1983 | CCE Soft. Brazil |
| Atari 2600 cart. | AndroMan on the Moon | 1984 | Western Technologies |
| Atari 2600 cart. | Angeln I | 198? | Ariola |
| Atari 2600 cart. | Angriff der Luftflotten | 1983 | Starsoft |
| Atari 2600 cart. | Angriff der Luftflotten Model 495.463 2 | 1983 | Quelle |
| Atari 2600 cart. | Angriff der Termiten Model 712 003-720 | 1982 | Ariolasoft Germany |
| Atari 2600 cart. | Anteater P | 1983 | M Network Mattel Electronics Hawthorne, California, USA |
| Atari 2600 cart. | Apples and Dolls | 198? | CCE Soft. Brazil |
| Atari 2600 cart. | Apples and Dolls | 1983 | Polyvox Brazil |
| Atari 2600 cart. | Aquatak Model JS145C | 1983 | John Sands Electronics |
| Atari 2600 cart. | Aquaventure | 198? | CCE Soft. Brazil |
| Atari 2600 cart. | Aquaventure | 1983 | Atari, Inc. CA, USA |
| Atari 2600 cart. | Arcade Golf Model 49-75116 | 1977 | Sears Chicago, IL, USA |
| Atari 2600 cart. | Arcade Pinball Model 49-75161 | 1981 | Sears Chicago, IL, USA |
| Atari 2600 cart. | Arkyology | 1983 | HomeComputer Soft. |
| Atari 2600 cart. | Armor Ambush | 1989 | Telegames, Inc. TX, USA |
| Atari 2600 cart. | Armor Ambush Model MT5661 | 1982 | M Network Mattel Electronics Hawthorne, California, USA |
