 | Alien Syndrome (set 5, System 16A, FD1089B 317-0037) (clone of: aliensyn) | 1987 | Sega | aliensyn5 | | 0.00 |
| Alien Syndrome (set 6, Japan, new, System 16B, FD1089A 317-0033) (clone of: aliensyn) | 1987 | Sega | aliensynj | | 0.00 |
 | Alien vs. Predator (Asia 940520) (clone of: avsp) | 1994 | Capcom | avspa | Fighter / 2.5D | 0.00 |
| Alien vs. Predator (Euro 940520 Phoenix Edition) (bootleg) (clone of: avsp) | 1994 | bootleg | avspd | | 0.00 |
| Alien vs. Predator (Euro 940520) | 1994 | Capcom | avsp | Fighter / 2.5D | 7.96 |
| Alien vs. Predator (Hispanic 940520) (clone of: avsp) | 1994 | Capcom | avsph | | 0.00 |
| Alien vs. Predator (Japan 940520) (clone of: avsp) | 1994 | Capcom | avspj | Fighter / 2.5D | 0.00 |
| Alien vs. Predator (USA 940520) (clone of: avsp) | 1994 | Capcom | avspu | Fighter / 2.5D | 8.00 |
 | Alien3: The Gun (US) (clone of: alien3) | 1993 | Sega | alien3u | | 0.00 |
| Alien3: The Gun (World) | 1993 | Sega | alien3 | Shooter / Gun | 7.86 |
| | Alien: The Arcade Medal Edition | 2005 | Capcom | alien | | 5.00 |
 | Aliens (Asia) (clone of: aliens) | 1990 | Konami | aliensa | | 0.00 |
| Aliens (Japan set 1) (clone of: aliens) | 1990 | Konami | aliensj | Platform / Shooter Scrolling | 0.00 |
| Aliens (Japan set 2) (clone of: aliens) | 1990 | Konami | aliensj2 | Platform / Shooter Scrolling | 0.00 |
| Aliens (US) (clone of: aliens) | 1990 | Konami | aliensu | Platform / Shooter Scrolling | 0.00 |
| Aliens (World set 1) | 1990 | Konami | aliens | Platform / Shooter Scrolling | 4.40 |
| Aliens (World set 2) (clone of: aliens) | 1990 | Konami | aliens2 | Platform / Shooter Scrolling | 0.00 |
| Aliens (World set 3) (clone of: aliens) | 1990 | Konami | aliens3 | Platform / Shooter Scrolling | 0.00 |
| | AlizBaz (Qps) (German) (MPU4) | 1969 | Qps | m4aliz | | 0.00 |
| | All 4 One (Lowen) (MPU5) (clone of: m5all41) | 1969 | Lowen | m5all41low | | 0.00 |
