| Sega Master System cart. |  Assault City Model 7034 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Assault City Model 7040 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Amstrad CPC cass. | Assault Course | 1990 | Players Premier |
| Sinclair ZX Spectrum cass. | Assault Course | 1990 | Players Premier |
| Sega Mega Drive cart. | Assault Suit LEYNOS Model T-25013 | 1990 | NCS Corp. Nippon Computer Systems Japan |
| Commodore Amiga 500 disk | Astate - La Malédication des Templiers | 1990 | New Deal Productions |
| IBM PC 5.25in. disk |  Asterix - El Golpe del Menhir | 1990 | System 4 de Espana, S.A. Spain |
| IBM PC 5.25in. disk | Asterix - Operation Getafix | 1990 | Coktel Vision |
| Commodore C64 disk | Asteroid War | 1990 | Markt & Technik |
| Nintendo Famicom cart. | Astro Fang - Super Machine Model WAV-E1-01 | 1990 | A-Wave, Inc. Japan |
| Commodore Amiga 500 disk | Astro Marine Corps | 1990 | Dinamic Soft. Madrid, Spain |
| Nintendo Game Boy Cart. | Astro Rabby Model DMG-ARA | 1990 | IGS Corp. Information Global Service |
| Nintendo NES cart. | Astyanax Model NES-YX-AUS | 1990 | JALECO Co., Ltd. Japan |
| Nintendo NES cart. | Astyanax Model NES-YX-ESP | 1990 | JALECO Co., Ltd. Japan |
| Nintendo NES cart. | Astyanax Model NES-YX-NOE | 1990 | JALECO Co., Ltd. Japan |
| Nintendo NES cart. | Astyanax Model NES-YX-USA | 1990 | JALECO USA, Inc. USA |
| IBM PC DOS pack. | At The Dog Track Sw | 1990 | Bernazzani, David |
| NEC PC-6001mkIISR type-in | Atatcha Dame Yo | 1990 | Dempa Shinbunsha Japan |
| Amstrad CPC type-in | ATC | 1990 | Media Système Edition Gentilly, France |
| Commodore Amiga 500 disk | ATF II - Advanced Tactical Fighter II | 1990 | Digital Integration |
| Commodore Amiga 500 disk |  ATF II - Advanced Tactical Fighter II | 1990 | Action Sixteen |
| Homelab soft. | Atlantisz! | 1990 | KisVarga, Zsolt |
| Commodore C64 cass. | Atom Ant - Up and Atom | 1990 | Hi-Tec Soft. |
| Sinclair ZX Spectrum cass. | Atom Ant Model HT055 | 1990 | Hi-Tec Soft. |
| Amstrad CPC cass. | Atom Ant Model HT057 | 1990 | Hi-Tec Soft. |
| Arcade Video game | Atomic Point | 1990 | Philko Corp. Seoul, Korea |
| Sharp X68000 Series 5.25in. disk | Atomic Robo-Kid P | 1990 | System Sacom Corp. Japan |
| Commodore Amiga 500 disk | Atomic Robo-Kid | 1990 | Activision, Inc. Menlo Park, CA, USA 47875 |
| Commodore C64 cass. | Atomic Robo-Kid | 1990 | Activision, Inc. Menlo Park, CA, USA 47875 |
| Sega Mega Drive cart. | Atomic Robo-Kid Model T-24013 | 1990 | TRECO |
| Sega Genesis cart. | Atomic Robo-Kid Model T-24016 | 1990 | TRECO USA |
| Atari ST disk | Atomic Robot Kid | 1990 | Activision, Inc. Menlo Park, CA, USA 47875 |
| Atari ST disk | Atomino | 1990 | Psygnosis, Ltd. |
| Commodore Amiga 500 disk | Atomix | 1990 | Thalion |
| Atari ST disk | Atomix | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Commodore C64 cass. | Atomix | 1990 | Thalion |
| Sinclair ZX Spectrum cass. | Atomix | 1990 | Proxima Soft. Czech Republic |
| NEC PC-8801 Series disk | Attacker | 1990 | Unknown Japan |
| Amstrad CPC type-in | Au Boulot ! | 1990 | Editions SORACOM France |
| Kiddie Ride | Aubrey Car | 1990 | Amutec |
