| 11833 | Know Your Own Psi-Q | ZX-Spectrum 48K | English |
| 9120 | Know Your Tables | ZX-Spectrum 16K | English |
| 15547 | Knowledge Quiz - 9/99 Yrs | ZX-Spectrum 16K | English |
| 13369 | Koekoek - Koekoek | ZX-Spectrum 48K | Dutch |
| 12910 | Kohs Blocks | ZX-Spectrum 128K | Russian |
| 43680 | Kouzelný svět pohádek - angličtina | ZX-Spectrum 48K | Multi-language: Czech, Slovak |
| 43681 | Kouzelný svět pohádek - němčina | ZX-Spectrum 48K | Multi-language: Czech, Slovak |
| 9235 | Kuhajmo | ZX-Spectrum 48K | Slovenian |
| 43299 | Kurvendiskussion | ZX81 16K | German |
| 39109 | L' Imparfait 1 | ZX-Spectrum 48K | German |
| 16609 | La Biblia del "Hacker" | ZX-Spectrum 48K | Spanish |
| 16610 | La Biblia del "Hacker" 4 | ZX-Spectrum 48K | Spanish |
| 16615 | La Biblia del "Hacker" XIV | ZX-Spectrum 48K | Spanish |
| 10977 | La Constitucion Espanola | ZX-Spectrum 48K | Spanish |
| 27693 | La Course aux Lettres | ZX-Spectrum 48K | French |
| 16581 | Laberinto Matematico | ZX-Spectrum 48K | Spanish |
| 21880 | Lancuchy | ZX-Spectrum 48K | Polish |
| 29554 | Language | ZX81 1K | English |
| 14699 | Language Development Series | ZX-Spectrum 16K | English |
| 24504 | Language Tutor | ZX-Spectrum 48K | English |