| 6490 | Invincible Island | ZX-Spectrum 48K | English |
| 27108 | Ivan Turkjeff: L'Oro dello Zar | ZX-Spectrum 48K | Italian |
| 30203 | JAWS: The Text Adventure | ZX-Spectrum 48K | English |
| 6493 | Jabato | ZX-Spectrum 48K | Spanish |
| 6497 | Jack the Ripper | ZX-Spectrum 48K | - |
| 6504 | Jakten i Knackebrohult | ZX-Spectrum 48K | Swedish |
| 38331 | Janitor Jim | ZX-Spectrum 48K | English |
| 16890 | Jason | ZX-Spectrum 48K | Spanish |
| 42203 | Javi versus Parrish | ZX-Spectrum 48K | Multi-language: English, Spanish |
| 6506 | Jericho Road | ZX-Spectrum 48K | English |
| 6507 | Jester Quest | ZX-Spectrum 48K/128K | English |
| 6512 | Jewels of Babylon | ZX-Spectrum 48K | English |
| 36723 | Jinxter | ZX-Spectrum Next | English |
| 32219 | John Mocowell | ZX-Spectrum 48K | Spanish |
| 6513 | Johnnie Verso | ZX-Spectrum 128K | Spanish |
| 42813 | Johnny Bravo - Run Johnny Run | ZX-Spectrum 48K | English |
| 15516 | Johnny M | ZX-Spectrum 48K | English |
| 27179 | Johnny Parker: Quinta Dimensione | ZX-Spectrum 48K | Italian |
| 6514 | Johny Melabo | ZX-Spectrum 128K | Spanish |
| 14374 | Johny Vayna | ZX-Spectrum 48K | Spanish |