| 21903 | Jig!Blox Competition | ZX-Spectrum 48K | English |
| 10564 | Jigsaw | ZX-Spectrum 48K | English |
| 36603 | Jigsaw | ZX-Spectrum 128K | English |
| 32369 | Jigsaw - An Interactive History (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 32200 | Jilly's Farm Volume 1 - SokoBAArn! | ZX-Spectrum 48K | English |
| 32026 | Jim Bagleys ZX81 Racing | ZX81 16K | English |
| 42670 | Jimbo | ZX-Spectrum 128K | English |
| 2614 | Jimmy's Soccer Manager | ZX-Spectrum 48K | English |
| 9866 | Jimmy's Super League | ZX-Spectrum 48K | English |
| 23293 | Jingler | ZX-Spectrum 128K | English |
| 10842 | Jinxter | ZX-Spectrum 128 +3 | English |
| 36723 | Jinxter | ZX-Spectrum Next | English |
| 22748 | Job Finder | ZX-Spectrum 48K | English |
| 9867 | Jock and the Beanstalk | ZX-Spectrum 48K | English |
| 2617 | Jock and the Time Rings | ZX-Spectrum 48K | English |
| 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 |