| 31136 | UnDoku | - | English |
| 21343 | UnRAR | ZX-Spectrum 48K | English |
| 31214 | Unbeatable | - | English |
| 11392 | Unbelievable! Ultimate | ZX-Spectrum 48K | English |
| 12206 | Unbelievable! Ultimate 2 | ZX-Spectrum 48K | English |
| 7826 | Uncle Ben's Bordello Beauties | ZX-Spectrum 48K | English |
| 5513 | Uncle Jack | ZX-Spectrum 48K | English |
| 38672 | Under Pressure | ZX-Spectrum 16K | English |
| 41073 | Undercut | ZX81 16K | English |
| 5515 | Underground | ZX-Spectrum 48K | English |
| 22683 | Underground | ZX-Spectrum 128K | English |
| 13325 | Underground Adventure | ZX-Spectrum 48K | English |
| 40403 | Underline | ZX-Spectrum 48K | English |
| 40753 | Understanding Angles | ZX81 16K | English |
| 2001432 | Understanding Artificial Intelligence | - | English |
| 2000896 | Understanding C | - | English |
| 2000398 | Understanding Computer Graphics | - | English |
| 2001430 | Understanding Computer Science | - | English |
| 2001429 | Understanding Digital Troubleshooting | - | English |
| 13270 | Understanding Evolution | ZX-Spectrum 48K | English |