| 18513 | Javilero 3 | ZX-Spectrum 48K | Spanish |
| 18527 | Jeroglific | ZX-Spectrum 48K | Spanish |
| 24387 | Jerusalem's Lot | ZX-Spectrum 48K | Spanish |
| 16888 | Jesus Gil, Heroe Nacional | ZX-Spectrum 48K | Spanish |
| 17588 | Jet Set Basic | ZX-Spectrum 48K | Spanish |
| 42570 | Jetsbot | ZX-Spectrum 128K | Spanish |
| 32219 | John Mocowell | ZX-Spectrum 48K | Spanish |
| 6513 | Johnnie Verso | ZX-Spectrum 128K | Spanish |
| 24754 | Johnny | ZX-Spectrum 48K | Spanish |
| 22365 | Johnny Chispas | ZX-Spectrum 48K | Spanish |
| 43748 | Johnny Danger y el Talismán de Fuego | ZX-Spectrum 48K/128K | Spanish |
| 6514 | Johny Melabo | ZX-Spectrum 128K | Spanish |
| 14374 | Johny Vayna | ZX-Spectrum 48K | Spanish |
| 24695 | Joyeria | ZX-Spectrum 48K | Spanish |
| 38596 | Juanito 2 - La Nave | ZX-Spectrum 48K | Spanish |
| 21015 | Juanito 3 | ZX-Spectrum 48K | Spanish |
| 20920 | Juanjo y Su Naranjo | ZX-Spectrum 48K | Spanish |
| 24393 | Juego Mercantil Nuevo Mundo | ZX-Spectrum 48K | Spanish |
| 44962 | Juego de Pelota | ZX-Spectrum 16K | Spanish |
| 44399 | Juego de las Parejas | ZX81 16K | Spanish |