| 16141 | K'Laber | ZX-Spectrum 48K | Spanish |
| 19079 | KFT: Rozsak Valerianak | ZX-Spectrum 48K | Hungarian |
| 42827 | Katakombs of Kakrafoon | ZX-Spectrum Next | English |
| 24725 | Keops | ZX-Spectrum 48K | Spanish |
| 27437 | Key for Exit | ZX-Spectrum 48K | Russian |
| 19208 | Keymaze 1 | ZX-Spectrum 48K | English |
| 21186 | Kill PC | ZX-Spectrum 48K | English |
| 25213 | Kill War 4 | ZX-Spectrum 48K | Russian |
| 25214 | Kill War 5 | ZX-Spectrum 48K | Russian |
| 2713 | Klimax | ZX-Spectrum 48K/128K | English |
| 2717 | Knightfall | ZX-Spectrum 48K | English |
| 44134 | Kriger | ZX81 16K | Danish |
| 2773 | Krolewna Jebaczka | ZX-Spectrum 48K | Polish |
| 26431 | Kronos | ZX-Spectrum 48K | Italian |
| 37190 | Krümelmonster | ZX-Spectrum 48K | German |
| 15804 | Kube's Maze | ZX-Spectrum 48K | English |
| 23720 | Kube-Man | ZX-Spectrum 48K | English |
| 24706 | Kyd Cadet | ZX-Spectrum 48K/128K | English |
| 30128 | Kyd Cadet 3: The Eyeburx Plee | ZX-Spectrum 48K/128K | English |
| 25269 | Kyd Cadet II: The Rescue of Pobbleflu | ZX-Spectrum 48K/128K | English |