| 2645 | Joust | ZX-Spectrum 16K | English |
| 34518 | Joust | ZX81 16K | English |
| 8296 | Joy Graph | ZX-Spectrum 48K | English |
| 20292 | Joystick Adaptor Tape 1 | ZX-Spectrum 16K | English |
| 31293 | Joystick Hero | - | English |
| 40593 | Joystick Interface | ZX-Spectrum 48K | English |
| 12455 | Joystick Thunder | ZX-Spectrum 48K | English |
| 32159 | Juanita & Paquito vs The Evil Aliens | ZX-Spectrum 48K | English |
| 30391 | Jubbles | ZX-Spectrum 48K/128K | English |
| 11819 | Judge Death | ZX-Spectrum 48K | English |
| 11820 | Judge Dredd | ZX-Spectrum 48K/128K | English |
| 2648 | Judge Dredd | ZX-Spectrum 48K | English |
| 18877 | Judge Morry vs. Baldo Midget | ZX-Spectrum 48K/128K | English |
| 40900 | Judgement | ZX81 16K | English |
| 7495 | Judgement Day 3 | ZX-Spectrum 48K | English |
| 2650 | Juggernaut | ZX-Spectrum 48K | English |
| 45337 | Juggernauts | ZX-Spectrum 48K/128K | English |
| 32249 | Juggle | ZX-Spectrum 48K | English |
| 42193 | Juggle81 | ZX81 1K | English |
| 44009 | Juggler | ZX-Spectrum 16K/48K | English |