| 5226 | Them | ZX-Spectrum 48K | English |
| 34711 | Thermal Ski | ZX-Spectrum 16K | English |
| 5228 | They Call Me Trooper | ZX-Spectrum 128K | English |
| 44098 | They Killed My Little One | ZX-Spectrum 48K | English |
| 5231 | Thief | ZX-Spectrum 48K | English |
| 44356 | Thief | ZX-Spectrum 16K/48K | English |
| 29381 | Things | ZX81 16K | English |
| 37683 | Thingummy | ZX-Spectrum 48K | English |
| 39874 | Think of a Number | ZX81 16K | English |
| 35643 | Think of a Word | ZX81 16K | English |
| 37399 | Think! Bike! | ZX-Spectrum 48K | English |
| 36602 | This Game Will Pit Man Against Machine | ZX-Spectrum 48K | English |
| 36540 | This is CYAN | ZX-Spectrum 48K | English |
| 22508 | Thomas the Tank Engine II | ZX-Spectrum 48K | English |
| 5238 | Thor | ZX-Spectrum 48K | Spanish |
| 37913 | Thor Game | Sinclair QL | English |
| 40652 | Three In A Row | ZX80 | English |
| 18149 | Three Level | ZX-Spectrum 48K | Spanish |
| 41042 | Three Towers | ZX81 16K | English |
| 31978 | Thro' The Wall | ZX81 16K | English |