| Agent X (prototype, rev 2) (clone of: cloak) | 1983 | Atari | agentx2 | | 0.00 |
| Agent X (prototype, rev 3) (clone of: cloak) | 1983 | Atari | agentx3 | | 0.00 |
| Agent X (prototype, rev 4) (clone of: cloak) | 1983 | Atari | agentx4 | | 0.00 |
| Agents 777 | 1984 | Game Plan | agent777 | | 0.00 |
| Aggressors of Dark Kombat / Tsuukai GANGAN Koushinkyoku (ADM-008)(ADH-008) | 1994 | ADK / SNK | aodk | Fighter / Versus | 5.09 |
| Agress | 1991 | Palco | agress | Puzzle / Sliding | 0.00 |
| Agress (English bootleg) (clone of: agress) | 2003 | bootleg | agressb | | 0.00 |
| Ah Eikou no Koshien (Japan) | 1990 | Taito Corporation | koshien | Sports / Baseball | 8.11 |
| Air Attack (set 1) | 1996 | Comad | airattck | | 8.50 |
| Air Attack (set 2) (clone of: airattck) | 1996 | Comad | airattcka | | 0.00 |
| Air Buster: Trouble Specialty Raid Unit (bootleg) (clone of: airbustr) | 1990 | bootleg | airbustrb | | 0.00 |
| Air Buster: Trouble Specialty Raid Unit (Japan) (clone of: airbustr) | 1990 | Kaneko (Namco license) | airbustrj | | 0.00 |
| Air Buster: Trouble Specialty Raid Unit (World) | 1990 | Kaneko (Namco license) | airbustr | Shooter / Flying Horizontal | 8.74 |
| Air Combat (Japan) (clone of: aircomb) | 1992 | Namco | aircombj | Shooter / Flying 1st Person | 6.00 |
| Air Combat (US) | 1992 | Namco | aircomb | | 7.00 |
| Air Combat 22 (Rev. ACS1 Ver.B, Japan) | 1995 | Namco | airco22b | Shooter / Flying 1st Person | 7.33 |
| Air Duel (Japan) | 1990 | Irem | airduel | Shooter / Flying Vertical | 7.71 |
| Air Gallet (Europe) | 1996 | Banpresto / Gazelle | agallet | Shooter / Flying Vertical | 8.70 |
| Air Gallet (Hong Kong) (clone of: agallet) | 1996 | Banpresto / Gazelle | agalleth | | 0.00 |
| Air Gallet (Korea) (clone of: agallet) | 1996 | Banpresto / Gazelle | agalletk | | 0.00 |