| 21990 | Unitrans | ZX-Spectrum 48K | English |
| 22020 | Unitrans+ | ZX-Spectrum 48K | English |
| 5517 | Unitrax | ZX-Spectrum 48K | English |
| 5519 | Universal Hero | ZX-Spectrum 48K | English |
| 34656 | Universal Invitation | Pentagon 128 | English |
| 40856 | Universal Patterner | ZX81 16K | English |
| 25280 | Universal Sounds Finder | ZX-Spectrum 48K | English |
| 25281 | Universal Sprite Studio | ZX-Spectrum 128K | English |
| 18437 | Universe | ZX-Spectrum 16K | English |
| 36584 | Universo | ZX-Spectrum 128K | English |
| 31981 | UnkaTris | ZX81 1K | English |
| 42987 | Unlimited Bobs | ZX-Spectrum 48K | English |
| 12726 | Unlimited Speccy Minidemo | ZX-Spectrum 128K | English |
| 7827 | Unlimited Spirits | ZX-Spectrum 48K/128K | English |
| 27475 | Unlimited Sprites 1k Intro | ZX-Spectrum 48K | English |
| 26036 | Unload the Cargo | ZX-Spectrum 48K | English |
| 31279 | Unofficial First Entry Simulator | - | English |
| 21381 | Unrecognized Formatting Object | ZX-Spectrum 48K | English |
| 15811 | Unresident Evil | ZX-Spectrum 48K | English |
| 15812 | Unresident Evil 2: Escape from the Courtyard | ZX-Spectrum 48K | English |