| Commodore C64 disk |  Bouldi Dash 08 Hb | 1990 | Spider |
| Commodore C64 disk | Bouldi Dash 09 Hb | 1990 | Spider |
| Commodore C64 disk | Bouldi Dash 10 Hb | 1990 | Spider |
| IBM PC type-in | Bounce Zone | 1990 | Compute! Publications, Inc. |
| Apple IIGS disk | Bouncing Bluster | 1990 | Toolbox Argenteuil, France |
| NEC PC-8801mkIISR type-in | Bound Hopper | 1990 | Dempa Shinbunsha Japan |
| IBM PC 3.5in. disk | Boxeo | 1990 | Ediciones Manali, S.A. |
| Nintendo Game Boy Cart. | Boxing Model DMG-BXA | 1990 | Tonkin House Japan |
| Nintendo Game Boy Cart. | Boxxle Model DMG-SO-UKV | 1990 | FCI Fujisankei Communications International |
| Nintendo Game Boy Cart. | Boxxle Model DMG-SO-USA | 1990 | FCI Fujisankei Communications International |
| Arcade Video game |  Boxy Boy. | 1990 | NAMCO, Ltd. Japan |
| NEC TurboGrafx-16 cart. | Boxyboy Model TGX010031 | 1990 | NEC Home Electronics, Ltd. |
| Sharp X68000 Series 5.25in. disk | Boyon-Boyon | 1990 | Unknown Japan |
| Sharp X1 type-in | Brains | 1990 | Dempa Shinbunsha Japan |
| Coleco Adam disk | BrainStorm | 1990 | Pitman Soft., Steve |
| NEC PC-6001mkII type-in | Bravoman | 1990 | Dempa Shinbunsha Japan |
| NEC TurboGrafx-16 cart. | Bravoman Model TGX040047 | 1990 | Turbo Technologies, Inc. |
| Commodore Amiga 500 disk | Breach 2 | 1990 | Impressions |
| IBM PC 3.5in. disk | Breach 2 | 1990 | Mindcraft |
| IBM PC/AT DOS 3.5in. disk | Breach 2 Scenario Disk | 1990 | Impressions |
| Kiddie Ride | Bread Shop Van | 1990 | NAMCO, Ltd. Japan |
| Casio PB-100 type-in | Break Block | 1990 | Dempa Shinbunsha Japan |
| Amstrad CPC type-in | Breakdown Hb | 1990 | Media Système Edition Gentilly, France |
| Elektronika BK0010 cass. | Breaking Ball | 1990 | SW Corp. |
| Acorn BBC Micro B disk | Breakthrough | 1990 | ASL Audiogenic Soft., Ltd. |
| Amstrad CPC type-in | Breakthru | 1990 | DMV Daten und Medien Verlag Eschwege, Germany |
| NEC PC-9801 Series type-in | Breath Wave | 1990 | Dempa Shinbunsha Japan |
| Sharp X68000 Series 5.25in. disk | Bretonne Lais | 1990 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Bretonne Lais Scenario Editor | 1990 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Bretonne Lais Scenario Editor | 1990 | SystemSoft Corp. Japan |
| NEC PC-9801/Sharp X68000 disk | Bretonne Lais Scenario Shuu | 1990 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Bretonne Lais Scenario Shuu | 1990 | SystemSoft Corp. Japan |
| NEC PC-9801/Sharp X68000 disk | Bretonne Lais Scenario Shuu Vol. 2 | 1990 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Bretonne Lais Scenario Shuu Vol. 2 | 1990 | SystemSoft Corp. Japan |
| Gamate cart. | Brick Blaster Model C1029 | 1990 | Bit Corp. |
| Commodore Amiga 500 disk | Bridge 6.0 | 1990 | Artworx Soft. Co., Inc. |
| Amstrad CPC cass. | British Super League | 1990 | Cult |
| Sinclair ZX Spectrum cass. | Bronx Model SEC 728 | 1990 | Animagic Spain |
| Nintendo Famicom cart. | Brush Roller | 1990 | RCM Group |
| Commodore Amiga 500 disk | Bubble + | 1990 | Infogrames Interactive, Inc. 329720 |
