| 12877 | Ivan Tsarevich | ZX-Spectrum 128K | Russian |
| 20286 | Ivor - Escape from the Asylum | ZX-Spectrum 48K | English |
| 20779 | Jack and the Beanstalk | ZX-Spectrum 48K | English |
| 29705 | Jack and the Beanstalk | ZX-Spectrum 48K | English |
| 6495 | Jack and the Beanstalk | ZX-Spectrum 48K | English |
| 24827 | Jaime I El Conquistador | ZX-Spectrum 48K | Spanish |
| 10836 | Jason and the Golden Fleece | ZX-Spectrum 48K | English |
| 9862 | Jason of the Argonauts | ZX-Spectrum 48K | English |
| 14941 | Jennifer's Dolly | ZX-Spectrum 48K | English |
| 10837 | Jersey Quest | ZX-Spectrum 48K | English |
| 24387 | Jerusalem's Lot | ZX-Spectrum 48K | Spanish |
| 6510 | Jester's Jaunt | ZX-Spectrum 48K | English |
| 16888 | Jesus Gil, Heroe Nacional | ZX-Spectrum 48K | Spanish |
| 24967 | Jet Set Wally | ZX-Spectrum 48K | English |
| 13278 | Jewel of Prophecy | ZX-Spectrum 48K | English |
| 15515 | Jewel of Scotland | ZX-Spectrum 48K | English |
| 10841 | Jhothamia 6 | ZX-Spectrum 48K | English |
| 32369 | Jigsaw - An Interactive History (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 10842 | Jinxter | ZX-Spectrum 128 +3 | English |
| 9867 | Jock and the Beanstalk | ZX-Spectrum 48K | English |