| 6529 | Key Fighter | ZX-Spectrum 48K | Dutch |
| 22794 | Key to Paradox | ZX-Spectrum 48K | English |
| 31698 | Keys To Gondrun | ZX81 16K | English |
| 6532 | Kidnapped | ZX-Spectrum 48K | English |
| 25585 | Kill Horocus and Find the Parchment of Peace | ZX-Spectrum 48K | English |
| 27763 | Kill the President | ZX-Spectrum 48K | Russian |
| 13279 | King | ZX-Spectrum 48K | English |
| 35517 | King's Order | ZX-Spectrum 48K | Czech |
| 20300 | Kingdom Quest | ZX-Spectrum 48K | English |
| 12887 | Kingdom of Grain | ZX-Spectrum 48K | Russian |
| 9880 | Kingdom of Hamil | ZX-Spectrum 128 +3 | English |
| 15676 | Klartz & the Dark Forces | ZX-Spectrum 48K | English |
| 6539 | Knight Life | ZX-Spectrum 128K | English |
| 6540 | Knight Orc | ZX-Spectrum 48K/128K | English |
| 6544 | Kobyashi Ag'Kwo | ZX-Spectrum 48K | English |
| 29018 | Kolenmijn | ZX81 16K | Dutch |
| 6546 | Kontrabant | ZX-Spectrum 48K | Slovenian |
| 32371 | Kook U - An Interactive Kook Adventure (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 20302 | Korg | ZX-Spectrum 48K | English |
| 20303 | Kraal's Kingdom | ZX-Spectrum 48K | English |