| 23350 | The Umpire Strikes Back | ZX-Spectrum 48K | English |
| 6148 | The Unborn One | ZX-Spectrum 48K | English |
| 32439 | The Underoos That Ate New York! - An Interactive Quickie (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 43606 | The Undersea Colossus | ZX-Spectrum 128K | English |
| 20616 | The Understanding of Electronics | ZX-Spectrum 48K | English |
| 10951 | The Underworld | ZX-Spectrum 48K | English |
| 2001124 | The Undocumented Z80 Documented | - | English |
| 40490 | The Unicorn | ZX81 16K | English |
| 39509 | The Unicorn | ZX-Spectrum 48K | English |
| 44680 | The Unicycle Adventure | ZX-Spectrum 48K | English |
| 12208 | The Unitrust Program | ZX-Spectrum 48K | English |
| 30338 | The Unofficial Zombo's Christmas Capers | ZX-Spectrum 48K | English |
| 5520 | The Untouchables | ZX-Spectrum 48K/128K | English |
| 2000402 | The Usborne Young Scientist - Computers | - | English |
| 2000403 | The Usborne Young Scientist - Television | - | English |
| 10555 | The Utility Cubicles | ZX-Spectrum 48K | English |
| 7155 | The Valley | ZX-Spectrum 48K | English |
| 17441 | The Valley | ZX-Spectrum 48K | English |
| 34777 | The Valley of Adventure | ZX81 16K | English |
| 25991 | The Value of Tables | ZX-Spectrum 48K | English |