| | A.G. Soccer Ball | 1991 | Alvin G | agsoccer | | 0.00 |
| | Aaron Spelling (1.01) | 1992 | Data East | aar_101 | | 0.00 |
| | Abacus (Ver 1.0) | 1969 | | abacus | | 0.00 |
| | Abracadabra (Bwb) (MPU4) (set 1) | 1969 | Bwb | m4abra | | 0.00 |
| | Abracadabra (Bwb) (MPU4) (set 2) (clone of: m4abra) | 1969 | Bwb | m4abra__a | | 0.00 |
| | Abracadabra (Bwb) (MPU4) (set 3) (clone of: m4abra) | 1969 | Bwb | m4abra__b | | 0.00 |
| | Abracadabra (Bwb) (MPU4) (set 4) (clone of: m4abra) | 1969 | Bwb | m4abra__c | | 0.00 |
| | Abracadabra (Qps) (Scorpion 4) (set 1) | 1969 | Qps | sc4abra | | 0.00 |
| | Abracadabra (Qps) (Scorpion 4) (set 2) (clone of: sc4abra) | 1969 | Qps | sc4abraa | | 0.00 |
| | Abracadabra (Qps) (Scorpion 4) (set 3) (clone of: sc4abra) | 1969 | Qps | sc4abrab | | 0.00 |
| | Abracadabra (Qps) (Scorpion 4) (set 4) (clone of: sc4abra) | 1969 | Qps | sc4abrac | | 0.00 |
| | Abracadabra (Qps) (Scorpion 4) (set 5) (clone of: sc4abra) | 1969 | Qps | sc4abrad | | 0.00 |
| | Abracadabra (Qps) (Scorpion 4) (set 6) (clone of: sc4abra) | 1969 | Qps | sc4abrae | | 0.00 |
 | 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* | 6.25 |
| | Acclaim PSX | 1995 | Acclaim | acpsx | BIOS | 7.28 |
 | Ace | 1976 | Allied Leisure | ace | Shooter / Field | 5.80 |
 | Ace Attacker (FD1094 317-0059) | 1988 | Sega | aceattac | Unplayable | 8.00 |
| Ace Attacker (Japan, System 16A, FD1094 317-0060) (clone of: aceattac) | 1988 | Sega | aceattaca | | 0.00 |
| | Ace Chase (Barcrest) (MPU4) (set 1) | 1969 | Barcrest | m4acechs | | 8.00 |
