| | 500 GP (5GP3 Ver. C) | 1998 | Namco | 500gp | | 0.00 |
 | Ace Driver (Rev. AD2, World) | 1994 | Namco | acedrvrw | Driving / Race (chase view) | 7.14 |
 | Ace Driver: Victory Lap (Rev. ADV2, World) | 1996 | Namco | victlapw | Unplayable | 9.00 |
 | Air Combat (Japan) (clone of: aircomb) | 1992 | Namco | aircombj | Shooter / Flying 1st Person | 6.00 |
| | Air Combat (US) | 1992 | Namco | aircomb | | 0.00 |
 | Air Combat 22 (Rev. ACS1 Ver.B, Japan) | 1995 | Namco | airco22b | Shooter / Flying 1st Person | 7.33 |
| | Alien Sector | 1985 | Namco | aliensec | | 0.00 |
 | Alpine Racer (Rev. AR2 Ver.C) (clone of: alpinerd) | 1995 | Namco | alpinerc | Unplayable | 0.00 |
| Alpine Racer (Rev. AR2 Ver.D) | 1995 | Namco | alpinerd | Unplayable | 9.00 |
| | Alpine Racer 2 (Rev. ARS2 Ver.A) (clone of: alpinr2b) | 1996 | Namco | alpinr2a | | 0.00 |
| | Alpine Racer 2 (Rev. ARS2 Ver.B) | 1996 | Namco | alpinr2b | | 0.00 |
| | Alpine Surfer (Rev. AF2 Ver.A) | 1996 | Namco | alpinesa | | 0.00 |
| | Aqua Jet (Rev. AJ2 Ver.B) | 1996 | Namco | aquajet | | 0.00 |
 | Aqua Rush (Japan, AQ1/VER.A1) | 1999 | Namco | aquarush | Puzzle | 7.00 |
 | Assault | 1988 | Namco | assault | Shooter / Driving | 7.25 |
| Assault (Japan) (clone of: assault) | 1988 | Namco | assaultj | Shooter / Driving | 0.00 |
| Assault Plus (Japan) (clone of: assault) | 1988 | Namco | assaultp | Shooter / Driving | 0.00 |
 | Bakuretsu Quiz Ma-Q Dai Bouken (Japan) | 1992 | Namco | bkrtmaq | Quiz / Japanese | 0.00 |
 | Bakutotsu Kijuutei | 1988 | Namco | bakutotu | Shooter / Flying Horizontal | 10.00 |
 | Baraduke (clone of: aliensec) | 1985 | Namco | baraduke | Maze / Shooter Large | 0.00 |
