 | Bio-ship Paladin | 1990 | UPL (American Sammy license) | bioship | Shooter / Flying Horizontal | 6.00 |
 | Blood Bros. (set 1) | 1990 | TAD Corporation | bloodbro | Shooter / 3rd Person | 6.80 |
| Blood Bros. (set 2) (clone of: bloodbro) | 1990 | TAD Corporation | bloodbroa | | 0.00 |
| Blood Bros. (set 3) (clone of: bloodbro) | 1990 | TAD Corporation | bloodbrob | | 0.00 |
 | Blue's Journey / Raguy (ALM-001)(ALH-001) | 1990 | Alpha Denshi Co. | bjourney | Platform / Fighter Scrolling | 8.56 |
 | Bonanza Bros (Japan, Floppy DS3-5000-07b Based) (clone of: bnzabros) | 1990 | Sega | bnzabrosj | | 0.00 |
| Bonanza Bros (US, Floppy DS3-5000-07d? Based) | 1990 | Sega | bnzabros | Platform / Shooter | 7.78 |
 | Borench | 1990 | Sega | borench | Maze | 5.62 |
 | Boulder Dash / Boulder Dash Part 2 (Japan) (clone of: bouldash) | 1990 | Data East Corporation (licensed from First Star) | bouldashj | | 0.00 |
| Boulder Dash / Boulder Dash Part 2 (World) | 1990 | Data East Corporation (licensed from First Star) | bouldash | Maze / Digging | 7.80 |
 | Boxy Boy (US) | 1990 | Namco | boxyboy | Puzzle | 3.27 |
| | Buena Suerte (Spanish, set 1) | 1990 | | bsuerte | | 8.00 |
| | Bugs Bunny Birthday Ball (L-2) | 1990 | Bally | bbnny_l2 | | 0.00 |
| | Bugs Bunny Birthday Ball (LU-2) European (clone of: bbnny_l2) | 1990 | Bally | bbnny_lu | | 0.00 |
 | Carrier Air Wing (bootleg with 2xYM2203) (clone of: cawing) | 1990 | bootleg | cawingbl | | 0.00 |
| Carrier Air Wing (USA 901012) (clone of: cawing) | 1990 | Capcom | cawingu | Shooter / Flying Horizontal | 0.00 |
| Carrier Air Wing (World 901009) (clone of: cawing) | 1990 | Capcom | cawingr1 | | 0.00 |
| Carrier Air Wing (World 901012) | 1990 | Capcom | cawing | Shooter / Flying Horizontal | 8.42 |
| | Casino Bar-gain (Maygay) v5.1 (M1A/B) (clone of: m1bargn) | 1990 | Maygay | m1bargnc | | 0.00 |
| | Casino Bar-gain (Maygay) v5.1 (Protocol)(M1A/B) (clone of: m1bargn) | 1990 | Maygay | m1bargncp | | 0.00 |
