| 28853 | Two Stroke Engine | ZX81 16K | English |
| 44362 | Two-Stroke Engine | ZX-Spectrum 16K/48K | English |
| 22454 | Typing Tutor | ZX-Spectrum 48K | English |
| 16752 | Typing Tutor | ZX-Spectrum 16K | English |
| 38566 | U.R.M. | ZX-Spectrum 48K | Portuguese |
| 21409 | UFO Invasion | ZX-Spectrum 48K | Russian |
| 25628 | UK Geography | ZX-Spectrum 48K | English |
| 28125 | Ulamki | ZX-Spectrum 48K | Polish |
| 21540 | Ulamki | ZX-Spectrum 48K | Polish |
| 40753 | Understanding Angles | ZX81 16K | English |
| 13270 | Understanding Evolution | ZX-Spectrum 48K | English |
| 36584 | Universo | ZX-Spectrum 128K | English |
| 38567 | Universo | ZX-Spectrum 48K | Portuguese |
| 38306 | Univerzální slovník | ZX-Spectrum 48K | Czech |
| 23536 | Up & Add 'em | ZX-Spectrum 48K | English |
| 44503 | Upside Down | ZX-Spectrum 16K/48K | English |
| 44135 | Učíme se BASIC | ZX-Spectrum 48K | Czech |
| 42704 | VII Semana de Extremadura | ZX-Spectrum 48K | Spanish |
| 19040 | VIII Semana de Extremadura | ZX-Spectrum 48K | Spanish |
| 11030 | Vector Mathematics | ZX-Spectrum 48K | English |