| 2618 | Jocky Wilson's Compendium of Darts | ZX-Spectrum 48K | English |
| 2619 | Jocky Wilson's Darts Challenge | ZX-Spectrum 48K | English |
| 2620 | Joe Blade | ZX-Spectrum 48K/128K | English |
| 2623 | Joe Blade II | ZX-Spectrum 48K/128K | English |
| 2627 | Joe Blade III | ZX-Spectrum 48K/128K | English |
| 2631 | Joe Blade IV | ZX-Spectrum 48K | English |
| 35146 | Joe Blob | ZX-Spectrum 48K/128K | English |
| 2633 | Jogger | ZX-Spectrum 16K | English |
| 44983 | Jogger | ZX-Spectrum 16K | English |
| 44008 | Jogger | ZX-Spectrum 16K/48K | English |
| 27606 | Jogger | ZX-Spectrum 16K | English |
| 24013 | Jogger's Log | ZX-Spectrum 48K | English |
| 9868 | Joggers Diary | ZX-Spectrum 48K | English |
| 13861 | John Brown | ZX-Spectrum 48K | English |
| 2634 | John Caig Sailboat Racing | ZX-Spectrum 48K | English |
| 31159 | John Terry's Quest for the Golden Bra | ZX-Spectrum 48K | English |
| 43522 | Johnniew Walker | ZX81 1K | English |
| 42813 | Johnny Bravo - Run Johnny Run | ZX-Spectrum 48K | English |
| 44681 | Johnny Doe | ZX-Spectrum 48K | English |
| 15516 | Johnny M | ZX-Spectrum 48K | English |