| Amstrad CPC type-in |  A la Recherche du Roi Richard | 1990 | Editions Mondiales France |
| Sinclair ZX Spectrum cass. | A Life of Crime | 1990 | Global Games Scotland |
| Amstrad CPC 464 disk | A Magician's Apprentice | 1990 | WoW Soft. Witch Of Wessex |
| Amstrad CPC cass. | A Magician's Apprentice | 1990 | WoW Soft. Witch Of Wessex |
| Nintendo NES cart. | A Nightmare on Elm Street Model NES-ES-USA | 1990 | LJN, Ltd. |
| Commodore Amiga 500 disk | A Prehistoric Tale | 1990 | Thalion |
| Atari ST disk | A Prehistoric Tale | 1990 | Thalion |
| Sinclair ZX Spectrum cass. |  A Question of Sport Model 200589 | 1990 | Encore 012189 |
| Commodore C64 cass. | A Question of Sport Model 300586 | 1990 | Encore 012189 |
| Amstrad CPC cass. | A Question of Sport Model 400583 | 1990 | Encore 012189 |
| Atari ST disk | A Question of Sport Model 801588 | 1990 | Encore 012189 |
| Sharp X68000 Series 5.25in. disk | A Ressha de Ikou II - 5 Shuunen Kinen Tokubetsu Gentei Version | 1990 | Artdink Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | A Ressha de Ikou II - 5 Shuunen Kinen Tokubetsu Gentei Version | 1990 | Artdink Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | A Ressha de Ikou III | 1990 | Artdink Corp. Japan |
| Apple II 5.25 disk | A Time Navigator Leaps Back Model MECC-A225 | 1990 | MECC Minnesota Educational Computing Corp. |
| Sinclair ZX Spectrum cass. | A Toda Maquina 2 | 1990 | Erbe Soft. Spain |
| Videoton TVC disk | A Zsaru | 1990 | Cápasoft |
| Videoton TVC cass. | A Zsaru | 1990 | BL Hungary |
| Commodore Amiga 500 disk | A-10 Tank Killer Model 27601 | 1990 | Dynamix Part of the Sierra Family USA 20626 |
| IBM PC 5.25in. disk | A-10 Tank Killer Model 31601 | 1990 | Dynamix Part of the Sierra Family USA 20626 |
| IBM PC 3.5in. disk | A-10 Tank Killer Model 85611 | 1990 | Dynamix Part of the Sierra Family USA 20626 |
| Commodore Amiga 500 disk | A-Mopoly | 1990 | Schatztruhe |
| Arcade Video game | A.B. Cop | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Commodore C64 cass. | A.M.C. - Astro Marine Corps | 1990 | Dinamic Soft. Madrid, Spain |
| Sharp MZ-1500 type-in | Aa! Daibutsu | 1990 | Dempa Shinbunsha Japan |
| Nintendo NES cart. |  Abadox - The Deadly Inner War Model NES-A3-USA | 1990 | MB Milton Bradley Co. East Longmeadow, MA, USA |
| Nintendo Famicom cart. | Abarenbou Tengu Model MDC-51 | 1990 | Meldac of America, Inc. USA |
| IBM PC 5.25in. disk | ABC Monday Night Football VGA Ver. | 1990 | Data East MVP Sports USA |
| Commodore Amiga 500 disk | ABCgames | 1990 | Parth Galen Soft. |
| Fujitsu FM Towns disk | Abunai Tengu Densetsu | 1990 | Alicesoft Japan |
| MSX 2 disk | Abunai Tengu Densetsu - Yomigaetta Tengu ga Yozora o Mau 18 | 1990 | Alicesoft Japan |
| Atari ST disk | Accolade All Time Favourites | 1990 | Accolade Europe, Ltd. London, England 020622 |
| Commodore Amiga 500 disk | Accolade All Time Favourites | 1990 | Accolade Europe, Ltd. London, England 020622 |
| Commodore Amiga 500 disk | Accordion | 1990 | Computermate |
| Sinclair ZX Spectrum cass. | ACE + ACE 2 | 1990 | Encore 012189 |
| Apple IIc+ 3.5in. disk | Ace Detective | 1990 | Mindplay |
| Commodore Amiga 500 disk | Across the USA | 1990 | Coktel Vision |
| Amstrad CPC cass. | Action 5 | 1990 | UBI Soft Creteil, France 307211 |
| Amstrad CPC cass. | Action Fighter | 1990 | MCM Soft. Spain |
| Commodore C64 cass. | Action Pack | 1990 | Prism Leisure Corp. plc UK 014293 |
