| 38700 | Klokkijken Digitaal | ZX-Spectrum 48K | Dutch |
| 14511 | Klondike | ZX-Spectrum 48K | English |
| 27810 | Klondike | ZX-Spectrum 48K | Russian |
| 37714 | Klondike Solitaire | ZX-Spectrum 48K | English |
| 38622 | Klonix | ZX-Spectrum 48K | Spanish |
| 36976 | Klox | ZX-Spectrum 48K | English |
| 9214 | Klub Mikrokomputerowy Abakus | ZX-Spectrum 48K | Polish |
| 23578 | Klub uživatelů Desktopu 1 | ZX-Spectrum 48K | Czech |
| 23579 | Klub uživatelů Desktopu 2 | ZX-Spectrum 48K | Czech |
| 23577 | Klub uživatelů Desktopu 3 | ZX-Spectrum 48K | Czech |
| 23580 | Klub uživatelů Desktopu 4 | ZX-Spectrum 48K | Czech |
| 25099 | Klávesnice | ZX-Spectrum 48K | Czech |
| 27572 | Kmiocki Sampler-Digitiser | ZX-Spectrum 48K | Polish |
| 43325 | Knacki | ZX-Spectrum 48K | German |
| 26025 | Knife, Stone, Paper | ZX-Spectrum 48K | English |
| 44197 | Kniffel | ZX-Spectrum 48K | German |
| 2714 | Kniffel | ZX-Spectrum 48K | German |
| 16195 | Knight Car | ZX-Spectrum 48K | Spanish |
| 2715 | Knight Driver | ZX-Spectrum 48K | English |
| 13330 | Knight Fight | ZX-Spectrum 48K | English |