 | 1941: Counter Attack (Japan) (clone of: 1941) | 1990 | Capcom | 1941j | Shooter / Flying Vertical | 0.00 |
| 1941: Counter Attack (USA 900227) (clone of: 1941) | 1990 | Capcom | 1941u | | 0.00 |
| 1941: Counter Attack (World 900227) | 1990 | Capcom | 1941 | Shooter / Flying Vertical | 8.01 |
| 1941: Counter Attack (World) (clone of: 1941) | 1990 | Capcom | 1941r1 | | 0.00 |
 | 4 En Raya | 1990 | IDSA | 4enraya | Tabletop | 6.50 |
 | 7jigen no Youseitachi - Mahjong 7 Dimensions (Japan) | 1990 | Dynax | 7jigen | Tabletop / Mahjong *Mature* | 7.70 |
| | A.B. Cop (Japan, FD1094 317-0169b) (clone of: abcop) | 1990 | Sega | abcopj | | 0.00 |
| | A.B. Cop (World, FD1094 317-0169b) | 1990 | Sega | abcop | Driving / Race (chase view) Bike | 7.38 |
 | Adventure Quiz 2 - Hatena? no Daibouken (Japan 900228) | 1990 | Capcom | hatena | Quiz / Japanese | 4.50 |
 | Ah Eikou no Koshien (Japan) | 1990 | Taito Corporation | koshien | Sports / Baseball | 8.11 |
 | Air Buster: Trouble Specialty Raid Unit (bootleg) (clone of: airbustr) | 1990 | bootleg | airbustrb | | 0.00 |
| Air Buster: Trouble Specialty Raid Unit (Japan) (clone of: airbustr) | 1990 | Kaneko (Namco license) | airbustrj | | 0.00 |
| Air Buster: Trouble Specialty Raid Unit (World) | 1990 | Kaneko (Namco license) | airbustr | Shooter / Flying Horizontal | 8.76 |
 | Air Duel (Japan) | 1990 | Irem | airduel | Shooter / Flying Vertical | 6.76 |
 | Air Inferno (US) | 1990 | Taito America Corporation | ainferno | Shooter / Flying 1st Person | 5.40 |
 | Alien Storm (bootleg, set 1) (clone of: astorm) | 1990 | bootleg | astormbl | Platform / Shooter Scrolling | 0.00 |
| Alien Storm (bootleg, set 2) (clone of: astorm) | 1990 | bootleg | astormb2 | | 0.00 |
| Alien Storm (Japan, 2 Players, FD1094 317-0146) (clone of: astorm) | 1990 | Sega | astormj | Platform / Shooter Scrolling | 0.00 |
| | Alien Storm (Mega-Tech) | 1990 | Sega | mt_astrm | Platform / Shooter Scrolling | 6.50 |
| Alien Storm (US, 3 Players, FD1094 317-0147) (clone of: astorm) | 1990 | Sega | astormu | Platform / Shooter Scrolling | 0.00 |
