| 6500 | The Jade Necklace | ZX-Spectrum 48K | English |
| 10840 | The Jewels of Honour | ZX-Spectrum 48K | English |
| 10846 | The Keeper | ZX-Spectrum 48K | English |
| 10847 | The Key | ZX-Spectrum 48K | English |
| 6530 | The Key to Time | ZX-Spectrum 48K | English |
| 20985 | The Kill | ZX-Spectrum 48K | Spanish |
| 29014 | The Knight's Quest | ZX81 16K | English |
| 6548 | The Krazy Kartoonist Kaper | ZX-Spectrum 128K | English |
| 6552 | The Labours of Hercules | ZX-Spectrum 48K | English |
| 42407 | The Labyrinthine Excursion | ZX-Spectrum 48K | English |
| 6564 | The Last Believer | ZX-Spectrum 48K | English |
| 9893 | The Last Jedi | ZX-Spectrum 48K | English |
| 9894 | The Last Ship of Zendok | ZX-Spectrum 48K | English |
| 6565 | The Last Will and Testament | ZX-Spectrum 48K | English |
| 6570 | The Legacy | ZX-Spectrum 48K | English |
| 25270 | The Legacy | ZX-Spectrum 48K | English |
| 39032 | The Legacy of Markham Island | ZX-Spectrum 48K | English |
| 10852 | The Legend of Craldons Creek | ZX-Spectrum 48K | English |
| 24985 | The Legend of Red Dragon | ZX-Spectrum 48K | English |
| 6582 | The Life of a Lone Electron | ZX-Spectrum 48K | English |