| | A Question of Sport (39-960-089) (clone of: qos) | 1992 | BFM | qosa | | 0.00 |
| | A Question of Sport (39-960-099) | 1992 | BFM | qos | | 0.00 |
| | A. D. 2083 | 1983 | Midcoin | ad2083 | | 0.00 |
| | A.B. Cop (FD1094 317-0169b) | 1990 | Sega | abcop | Driving / Race (chase view) Bike | 10.00 |
 | Abscam (clone of: puckman) | 1981 | GL (US Billiards License) | abscam | | 0.00 |
 | Abunai Houkago - Mou Matenai (Japan 890325) | 1989 | GREEN SOFT | abunai | Tabletop / Hanafuda *Mature* | 10.00 |
| | Acclaim PSX | 1995 | Acclaim | acpsx | BIOS | 10.00 |
 | Ace | 1976 | Allied Leisure | ace | Shooter / Field | 0.00 |
 | Ace Attacker (FD1094 317-0059) | 1988 | Sega | aceattac | Unplayable | 0.00 |
| Ace Attacker (Japan, System 16A, FD1094 317-0060) (clone of: aceattac) | 1988 | Sega | aceattaa | | 0.00 |
 | Ace Driver (Rev. AD2, World) | 1994 | Namco | acedrvrw | Driving / Race (chase view) | 5.00 |
 | Ace Driver: Victory Lap (Rev. ADV2, World) | 1996 | Namco | victlapw | Unplayable | 9.00 |
 | Acrobat Mission | 1991 | UPL (Taito license) | acrobatm | Shooter / Flying Vertical | 0.00 |
 | Acrobatic Dog-Fight | 1984 | Technos | dogfgt | Shooter / Flying | 0.00 |
 | Act Raiser (Nintendo Super System) | 1992 | Enix | nss_actr | Platform / Fighter Scrolling | 10.00 |
 | Act-Fancer Cybernetick Hyper Weapon (Japan revision 1) (clone of: actfancr) | 1989 | Data East Corporation | actfancj | Platform / Shooter Scrolling | 0.00 |
| Act-Fancer Cybernetick Hyper Weapon (World revision 1) (clone of: actfancr) | 1989 | Data East Corporation | actfanc1 | Platform / Shooter Scrolling | 0.00 |
| Act-Fancer Cybernetick Hyper Weapon (World revision 2) | 1989 | Data East Corporation | actfancr | Platform / Shooter Scrolling | 0.00 |
 | Action Fighter, FD1089A 317-0018 | 1986 | Sega | afighter | Shooter / Misc. Vertical | 0.00 |
| | Action Hollywood | 1995 | TCH | actionhw | | 8.00 |
