| Sinclair ZX Spectrum cass. |  The Rocky Horror Show | 1988 | Zafiro Soft. Div. Spain |
| Sinclair ZX Spectrum cass. |  The Runestone of Zaobab + Escape From Magic | 1988 | Stewart, Eric |
| Sinclair ZX Spectrum cass. | The Times Crosswords Vol.1 | 1988 | Akom |
| Sinclair ZX Spectrum cass. | The Train - Escape to Normandy Model A70562EI | 1988 | Electronic Arts Home Computer Soft. UK 15839 |
| Sinclair ZX Spectrum cass. | The Trap Door Model 1SEA-179 | 1988 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | The Tube | 1988 | Zafiro Soft. Div. Spain |
| Sinclair ZX Spectrum cass. | The Vindicator! | 1988 | Erbe Soft. Spain |
| Sinclair ZX Spectrum cass. | The Vindicator! Model 112140 | 1988 | Imagine Soft. Ocean Group 13156 |
| Sinclair ZX Spectrum cass. |  The Way of the Exploding Fist Model RS 018 | 1988 | Ricochet Mastertronic Group UK |
| Sinclair ZX Spectrum cass. | The Weaver of Her Dreams | 1988 | 8th Day Soft. Liverpool, England |
| Sinclair ZX Spectrum cass. | Them Model PSAC 111 | 1988 | Pirate Soft. |
| Sinclair ZX Spectrum cass. | Thing! | 1988 | Players Soft. |
| Sinclair ZX Spectrum cass. | Thor Model 21373 | 1988 | Proein Soft Line Spain |
| Sinclair ZX Spectrum cass. | Thunder Blade Model 542149 P | 1988 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Tiger Road Model 541944 P | 1988 | GO! Media Holdings, Ltd. 13442 |
| Sinclair ZX Spectrum cass. | Time and Magik | 1988 | Mandarin Soft. |
| Sinclair ZX Spectrum cass. | Time Flies Model LS-014 | 1988 | MCM Soft. Spain |
| Sinclair ZX Spectrum cass. | Time Out Model 61711585 | 1988 | Zafiro Soft. Div. Spain |
| Sinclair ZX Spectrum cass. | Titanic | 1988 | Topo Soft. Spain |
| Sinclair ZX Spectrum cass. | Tom Frost's Six Pack | 1988 | Tartan Soft. |
| Sinclair ZX Spectrum cass. | Tomcat | 1988 | Players Soft. |
| Sinclair ZX Spectrum cass. | Top Ten Collection | 1988 | Hit-Pak |
| Sinclair ZX Spectrum cass. | Total Eclipse Model S38C | 1988 | Incentive Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Tour de Force Model 019503 | 1988 | Gremlin Graphics Soft., Ltd. 013658 |
| Sinclair ZX Spectrum cass. | Track and Field | 1988 | Ocean Soft., Ltd. 13156 |
| Sinclair ZX Spectrum cass. | Track Suit Manager | 1988 | Goliath Games |
| Sinclair ZX Spectrum cass. | Trackbasher | 1988 | Greenup, Ashley |
| Sinclair ZX Spectrum cass. | Treasure Island Dizzy Model 2131 | 1988 | Codemasters Soft. Co., Ltd., The 015026 |
| Sinclair ZX Spectrum cass. | Triple Comando Model 2DR004 | 1988 | Dro Soft. Madrid, Spain |
| Sinclair ZX Spectrum cass. | Trivial Pursuit - A New Beginning Model 323-9 | 1988 | Domark Group, Ltd. |
| Sinclair ZX Spectrum cass. | Troll Model 546642 | 1988 | Kixx 013442 |
| Sinclair ZX Spectrum cass. | Tuareg Model SE 500 | 1988 | Topo Soft. Spain |
| Sinclair ZX Spectrum cass. | Turbo Boat Simulator | 1988 | Silverbird Soft. 012439 |
| Sinclair ZX Spectrum cass. | Turbo Esprit Model 020071 | 1988 | Encore 012189 |
| Sinclair ZX Spectrum cass. | Turbo Girl Model SPE 880009 | 1988 | Dinamic Soft. Madrid, Spain |
| Sinclair ZX Spectrum cass. | Turf Form | 1988 | Blue Ribbon Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Typhoon Model 112416 | 1988 | Imagine Soft. Ocean Group 13156 |
| Sinclair ZX Spectrum cass. | Uchi-Mata Serie Leyenda | 1988 | IBSA Spain |
| Sinclair ZX Spectrum cass. | Ultimate Play The Game - The Collected Works | 1988 | Ultimate Play The Game |
| Sinclair ZX Spectrum cass. | Underground Model 1-STY 235 | 1988 | System 4 de Espana, S.A. Spain |
