| Sinclair ZX Spectrum cass. |  Kick Off Collection | 1990 | Home Computer Club, The |
| Sinclair ZX Spectrum cass. |  Klax Model 471-5 | 1990 | Domark Group, Ltd. |
| Sinclair ZX Spectrum cass. | Knight Force | 1990 | Titus Gagny, France |
| Sinclair ZX Spectrum cass. | Kucna Gerila | 1990 | Sver, Dalibor |
| Sinclair ZX Spectrum cass. | Kwik Snax Model 2368 | 1990 | Codemasters Soft. Co., Ltd., The 015026 |
| Sinclair ZX Spectrum cass. | La Aventura Espacial Model SPE 900011 | 1990 | Aventuras AD, S.A. Spain |
| Sinclair ZX Spectrum cass. | La Corona Magica | 1990 | OMK Soft. Spain |
| Sinclair ZX Spectrum cass. | LA Drugs Bust | 1990 | Players Soft. |
| Sinclair ZX Spectrum cass. | La Espada Sagrada Model SE 635 | 1990 | Topo Soft. Spain |
| Sinclair ZX Spectrum cass. | La Prehistoria | 1990 | Grupo Creators Union Spain |
| Sinclair ZX Spectrum cass. | Labarinth | 1990 | Guild, The |
| Sinclair ZX Spectrum cass. | Labyrman | 1990 | CV |
| Sinclair ZX Spectrum cass. | Last Ninja Remix | 1990 | System 3 Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Learn To Read with Prof - Level 1 | 1990 | Prisma Soft. UK |
| Sinclair ZX Spectrum cass. | Legend | 1990 | Delta Soft. Spain |
| Sinclair ZX Spectrum cass. | Line of Fire | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. |  Line of Fire | 1990 | Erbe Soft. Spain |
| Sinclair ZX Spectrum cass. | Little Puff Model 2253 | 1990 | Cartoon Time |
| Sinclair ZX Spectrum cass. | Little Wandering Guru | 1990 | Zenobi Soft. |
| Sinclair ZX Spectrum cass. | Live And Let Die | 1990 | Encore 012189 |
| Sinclair ZX Spectrum cass. | Locodriver 12 | 1990 | Greenup, Ashley |
| Sinclair ZX Spectrum cass. | Locodriver 13 | 1990 | Greenup, Ashley |
| Sinclair ZX Spectrum cass. | Lords of Chaos | 1990 | Blade Soft. |
| Sinclair ZX Spectrum cass. | Lords of Magic | 1990 | Guild, The |
| Sinclair ZX Spectrum cass. | Lorna Model SE 1020 | 1990 | Topo Soft. Spain |
| Sinclair ZX Spectrum cass. | Los Inhumanos | 1990 | Delta Soft. Spain |
| Sinclair ZX Spectrum cass. | Lotus Esprit Turbo Challenge | 1990 | Erbe Soft. Spain |
| Sinclair ZX Spectrum cass. | Lotus Esprit Turbo Challenge Model 021438 | 1990 | Gremlin Graphics Soft., Ltd. 013658 |
| Sinclair ZX Spectrum cass. | Mad Mix 2 Model SE 631 | 1990 | Topo Soft. Spain |
| Sinclair ZX Spectrum cass. | Magic Johnson's Basketball Model 2MH 213 | 1990 | Dro Soft. Madrid, Spain |
| Sinclair ZX Spectrum cass. | Magic Missile issue 03 | 1990 | Futuresoft |
| Sinclair ZX Spectrum cass. | Magic Missile issue 04 | 1990 | Futuresoft |
| Sinclair ZX Spectrum cass. | Magic Missile issue 05 | 1990 | Futuresoft |
| Sinclair ZX Spectrum cass. | Magicland Dizzy Model 2375 | 1990 | Codemasters Soft. Co., Ltd., The 015026 |
| Sinclair ZX Spectrum cass. | Manchester United | 1990 | Krisalis Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Mansion Quest | 1990 | GI Games |
| Sinclair ZX Spectrum cass. | Mantis 1 Model SLS 1006 | 1990 | Raven Adventures |
| Sinclair ZX Spectrum cass. | Mantis 2 Model SLS 1007 | 1990 | Raven Adventures |
| Sinclair ZX Spectrum cass. | Match Day | 1990 | IBSA Spain |
| Sinclair ZX Spectrum cass. | Memorias de un Hobbit Model 12 | 1990 | JSJ Soft. Spain |
