 | Alien Storm (World, 2 Players, FD1094 317-0154) | 1990 | Sega | astorm | Platform / Shooter Scrolling | 6.89 |
| Alien Storm (World, 3 Players, FD1094 317-0148) (clone of: astorm) | 1990 | Sega | astorm3 | Platform / Shooter Scrolling | 0.00 |
 | 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 | 4.47 |
| 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 |
 | American Horseshoes (US) | 1990 | Taito America Corporation | horshoes | Sports / Horseshoes | 6.80 |
| | American Poker II | 1990 | Novomatic | ampoker2 | | 8.14 |
| | American Poker II (bootleg, set 1) (clone of: ampoker2) | 1990 | bootleg | ampkr2b1 | | 0.00 |
| | American Poker II (bootleg, set 2) (clone of: ampoker2) | 1990 | bootleg | ampkr2b2 | | 0.00 |
 | Aqua Jack (Japan) (clone of: aquajack) | 1990 | Taito Corporation | aquajackj | | 0.00 |
| Aqua Jack (US) (clone of: aquajack) | 1990 | Taito America Corporation | aquajacku | | 0.00 |
| Aqua Jack (World) | 1990 | Taito Corporation Japan | aquajack | Shooter / Driving (chase view) | 8.40 |
| | Arrow Flash (Mega-Tech) | 1990 | Sega | mt_arrow | Unplayable | 7.50 |
 | Ashita no Joe (Japan) (clone of: scessjoe) | 1990 | Wave / Taito Corporation | ashnojoe | Sports / Boxing | 10.00 |
 | Ashura Blaster (Japan) (clone of: ashura) | 1990 | Taito Corporation | ashuraj | | 0.00 |
| Ashura Blaster (US) (clone of: ashura) | 1990 | Taito America Corporation | ashurau | Shooter / Flying Vertical | 0.00 |
