| 25149 | Kanal Mowy | ZX-Spectrum 48K | Polish |
| 8305 | Katalog | ZX-Spectrum 48K | Polish |
| 8306 | Katalog Kaset | ZX-Spectrum 48K | Polish |
| 8307 | Katalog Print | ZX-Spectrum 48K | Polish |
| 34632 | Katalog-2 | ZX-Spectrum 48K | Polish |
| 25150 | Kinematyka | ZX-Spectrum 48K | Polish |
| 17124 | Klio 1 | ZX-Spectrum 48K | Polish |
| 24896 | Klio 2 | ZX-Spectrum 48K | Polish |
| 9214 | Klub Mikrokomputerowy Abakus | ZX-Spectrum 48K | Polish |
| 27572 | Kmiocki Sampler-Digitiser | ZX-Spectrum 48K | Polish |
| 18809 | Kolko i Krzyzyk | ZX-Spectrum 48K | Polish |
| 25357 | Kolo Fortuny | ZX-Spectrum 48K/128K | Polish |
| 26542 | Kometa Halleya | ZX-Spectrum 48K | Polish |
| 43429 | Konkret 6 | ZX-Spectrum 48K | Polish |
| 43430 | Konkret 7 - 10 | ZX-Spectrum 48K | Polish |
| 8318 | Kopiarka | ZX-Spectrum 48K | Polish |
| 8833 | Korektor Ustawienia Glowicy Magnetofonowej | ZX-Spectrum 16K | Polish |
| 2757 | Kosci Rzucone | ZX-Spectrum 48K | Polish |
| 2773 | Krolewna Jebaczka | ZX-Spectrum 48K | Polish |
| 38601 | L.A.S.E.R. | ZX81 1K | Polish |