| 40992 | Jam Search | ZX-Spectrum 16K | English |
| 37291 | James Bond 007 dans la Mer des Caraïbes | ZX-Spectrum 48K | French |
| 2578 | Jangler | ZX-Spectrum 48K | English |
| 40945 | Jannis the Menace | ZX-Spectrum 48K | English |
| 41408 | Japanese Garden | ZX81 16K | English |
| 16054 | Jarama | ZX-Spectrum 48K | Spanish |
| 39163 | Jardineiro | ZX-Spectrum 48K | Portuguese |
| 16854 | Jarrin' Pick | ZX-Spectrum 48K | Spanish |
| 18513 | Javilero 3 | ZX-Spectrum 48K | Spanish |
| 2582 | Jaws | ZX-Spectrum 48K/128K | English |
| 16632 | Jaws | ZX-Spectrum 48K | English |
| 9863 | Jaws Revenge | ZX-Spectrum 16K | English |
| 2583 | Jawz | ZX-Spectrum 16K | English |
| 19698 | Jedhi Chase | ZX-Spectrum 48K | English |
| 42656 | Jeff and the Christmas Tat | ZX-Spectrum 48K/128K | English |
| 43868 | Jenseits Von Andromeda | ZX-Spectrum 48K | German |
| 31427 | Jeremy Clarkson's Top Shelf Challenge | ZX-Spectrum 48K | English |
| 37347 | Jeri | ZX-Spectrum 48K | French |
| 37709 | Jerry's Endless Travels: Destroy Cursed Ball | ZX-Spectrum 48K | English |
| 37593 | Jet Boat | ZX81 16K | English |