| 7491 | The Israeli Team Demo | ZX-Spectrum 128K | English |
| 7489 | The Israeli Team Demo 1 | ZX-Spectrum 128K | English |
| 7490 | The Israeli Team Demo 2 | ZX-Spectrum 48K | English |
| 6500 | The Jade Necklace | ZX-Spectrum 48K | English |
| 16642 | The Jade Necklace + Lifeboat | ZX-Spectrum 48K | English |
| 6502 | The Jade Stone | ZX-Spectrum 48K | English |
| 11431 | The James Bond 007 Collection | ZX-Spectrum 48K/128K | English |
| 2611 | The Jetsons | ZX-Spectrum 48K/128K | English |
| 10839 | The Jewel of Power | ZX-Spectrum 48K | English |
| 10840 | The Jewels of Honour | ZX-Spectrum 48K | English |
| 11817 | The Joffe Plan | ZX-Spectrum 48K | English |
| 9869 | The Journey | ZX-Spectrum 48K | English |
| 2000211 | The Joy of Computers | - | English |
| 41653 | The Jungle | ZX81 16K | English |
| 27035 | The Junior Ranger's Handbook | ZX-Spectrum 48K | English |
| 23543 | The Karniferous Forest | ZX-Spectrum 48K | English |
| 10846 | The Keeper | ZX-Spectrum 48K | English |
| 20296 | The Ket Trilogy | ZX-Spectrum 48K | English |
| 43265 | The Key | ZX-Spectrum 16K | English |
| 10847 | The Key | ZX-Spectrum 48K | English |