| 44999 | The Well | ZX-Spectrum 16K | English |
| 27806 | The Worm's Progress | ZX-Spectrum 16K | English |
| 5888 | The ZX-Word | ZX-Spectrum 48K | English |
| 30649 | Think of a Number | ZX-Spectrum 16K | English |
| 5235 | Think! | ZX-Spectrum 48K | English |
| 24976 | Thinker | ZX-Spectrum 48K | English |
| 29663 | Thirty Ones | ZX81 16K | English |
| 5237 | Thomas the Tank Engine & Friends | ZX-Spectrum 48K | English |
| 16099 | Tiger Hunt | ZX-Spectrum 16K | English |
| 28056 | Tile Crazy | ZX-Spectrum 48K | English |
| 12177 | Tiler Tim | ZX-Spectrum 48K | English |
| 15786 | Tiless | ZX-Spectrum 48K | - |
| 5272 | Tili-Toli | ZX-Spectrum 48K | Hungarian |
| 9440 | Tilt | ZX-Spectrum 48K/128K | English |
| 10308 | Tilt | ZX-Spectrum 48K | English |
| 39518 | Tim's Castle | ZX-Spectrum 48K | Portuguese |
| 10315 | Tinny | ZX-Spectrum 48K | Czech |
| 38152 | Tiny Crate | ZX-Spectrum 48K/128K | Multi-language: English, Spanish |
| 27979 | Tiny Memory | ZX-Spectrum 48K | English |
| 21159 | Tiny Tetris | ZX-Spectrum 16K | English |