| 37431 | Jetpac Patcher | ZX-Spectrum 48K | English |
| 9864 | Jetset-Freddy | ZX-Spectrum 48K | German |
| 23874 | Jeu de Dames | ZX-Spectrum 48K | French |
| 38908 | Jewel Maze | ZX-Spectrum 48K | English |
| 13278 | Jewel of Prophecy | ZX-Spectrum 48K | English |
| 15515 | Jewel of Scotland | ZX-Spectrum 48K | English |
| 6512 | Jewels of Babylon | ZX-Spectrum 48K | English |
| 27479 | Jhcontro - 1k Intro for JHcon 2010 Party | ZX-Spectrum 48K | English |
| 10841 | Jhothamia 6 | ZX-Spectrum 48K | English |
| 25394 | Jib Goes Shopping | ZX-Spectrum 48K | English |
| 21903 | Jig!Blox Competition | ZX-Spectrum 48K | English |
| 10564 | Jigsaw | ZX-Spectrum 48K | English |
| 32200 | Jilly's Farm Volume 1 - SokoBAArn! | ZX-Spectrum 48K | English |
| 2614 | Jimmy's Soccer Manager | ZX-Spectrum 48K | English |
| 9866 | Jimmy's Super League | ZX-Spectrum 48K | English |
| 22748 | Job Finder | ZX-Spectrum 48K | English |
| 38381 | Job Test | ZX-Spectrum 48K | Czech |
| 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 |