| Sinclair ZX Spectrum cass. |  The Running Man Model SEC 580 | 1990 | MCM Soft. Spain |
| Sinclair ZX Spectrum cass. |  The Sabat of Milton Gordon | 1990 | Adventure Club, The |
| Sinclair ZX Spectrum cass. | The Sefton Manor Assignment | 1990 | Adventure Club, The |
| Sinclair ZX Spectrum cass. | The Spectre of Castle Coris | 1990 | FSF Adventures |
| Sinclair ZX Spectrum cass. | The Spy Who Loved Me | 1990 | Domark Group, Ltd. |
| Sinclair ZX Spectrum cass. | The Tales of Mathematica | 1990 | Zenobi Soft. |
| Sinclair ZX Spectrum cass. | The Tengen Trilogy | 1990 | Domark Group, Ltd. |
| Sinclair ZX Spectrum cass. |  The Trap Door + Through The Trap Door Model AS007 | 1990 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | The Wombles Model AS 775 | 1990 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Theseus and the Minotaur | 1990 | Guild, The |
| Sinclair ZX Spectrum cass. | Theseus and the Minotaur | 1990 | Collins, Anthony |
| Sinclair ZX Spectrum cass. | Thomas the Tank Engine's Fun With Words | 1990 | Friendly Learning |
| Sinclair ZX Spectrum cass. | Thrill Time Gold 2 | 1990 | Elite Systems, Ltd. |
| Sinclair ZX Spectrum cass. | Thrill Time Gold 3 | 1990 | Elite Systems, Ltd. |
| Sinclair ZX Spectrum cass. | Thrill Time Platinum | 1990 | Elite Systems, Ltd. |
| Sinclair ZX Spectrum cass. | Tilt Model 2363 | 1990 | Codemasters Soft. Co., Ltd., The 015026 |
| Sinclair ZX Spectrum cass. | Time Machine | 1990 | Activision, Inc. Menlo Park, CA, USA 47875 |
| Sinclair ZX Spectrum cass. | Tizpan - Lord of the Jungle | 1990 | Guild, The |
| Sinclair ZX Spectrum cass. | TNT | 1990 | Domark Group, Ltd. |
| Sinclair ZX Spectrum cass. | Tokyo Gang | 1990 | GLL Soft. Spain |
| Sinclair ZX Spectrum cass. | Trevor Brooking's World Cup Glory | 1990 | Challenge Soft. |
| Sinclair ZX Spectrum cass. | Tuma 7 | 1990 | Delta Soft. Spain |
| Sinclair ZX Spectrum cass. | Turbo Cup Challenge | 1990 | Players Premier |
| Sinclair ZX Spectrum cass. | Turrican | 1990 | Rainbow Arts |
| Sinclair ZX Spectrum cass. | Twin World Model 002579 P | 1990 | UBI Soft Creteil, France 307211 |
| Sinclair ZX Spectrum cass. | U.N. Squadron | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Vendetta | 1990 | System 3 Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Wild Streets | 1990 | Titus Gagny, France |
| Sinclair ZX Spectrum cass. | Winners | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Wizard Willy Model 2191 | 1990 | Cartoon Time |
| Sinclair ZX Spectrum cass. | World Championship Boxing Manager | 1990 | Goliath Games |
| Sinclair ZX Spectrum cass. | World Championship Boxing Manager | 1990 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | World Cup Challenge | 1990 | Players Premier |
| Sinclair ZX Spectrum cass. | World Cup Glory | 1990 | Challenge Soft. |
| Sinclair ZX Spectrum cass. | World Cup Year 90 Compilation | 1990 | Empire Soft. |
| Sinclair ZX Spectrum cass. | World Soccer Model S102 | 1990 | Zeppelin Games |
| Sinclair ZX Spectrum cass. | X-Out | 1990 | Rainbow Arts |
| Sinclair ZX Spectrum cass. | X-Out | 1990 | Erbe Soft. Spain |
| Sinclair ZX Spectrum cass. | X-Out | 1990 | Kixx 013442 |
| Sinclair ZX Spectrum cass. | Yogi Bear & Friends - The Greed Monster Model HT072 | 1990 | Hi-Tec Soft. |
