| 36911 | Jetpac DX | Pentagon 128 | English |
| 32159 | Juanita & Paquito vs The Evil Aliens | ZX-Spectrum 48K | English |
| 11820 | Judge Dredd | ZX-Spectrum 48K/128K | English |
| 30245 | Jumpcollision | ZX-Spectrum 48K/128K | Spanish |
| 2662 | Jungle Warfare | ZX-Spectrum 48K | English |
| 2672 | Kamakazi | ZX-Spectrum 16K | English |
| 16270 | Kamicaces 2000 | ZX-Spectrum 48K | Spanish |
| 9363 | Kamikaze | ZX-Spectrum 48K/128K | English |
| 27051 | Kamikaze | ZX-Spectrum 16K | French |
| 2671 | Kamikaze | ZX-Spectrum 48K | English |
| 2673 | Kane | ZX-Spectrum 48K | English |
| 30468 | Keys | ZX-Spectrum 48K | English |
| 27757 | Killer | ZX-Spectrum 48K | Italian |
| 27282 | Killer 3 | ZX-Spectrum 48K | Russian |
| 2697 | Killer Ring | ZX-Spectrum 48K/128K | English |
| 26458 | Killers | ZX-Spectrum 48K | Italian |
| 12889 | King of Time Super Turbo Killer | ZX-Spectrum 128K | English |
| 15433 | Kit-Tik Attack | ZX-Spectrum 48K | English |
| 2719 | Knight Rider | ZX-Spectrum 48K | English |
| 27936 | Knightmare ZX | ZX-Spectrum 128K | English |