| 36603 | Jigsaw | ZX-Spectrum 128K | English |
| 39166 | Joker | ZX-Spectrum 48K | English |
| 43712 | Joker (2023) | ZX-Spectrum 48K | English |
| 31428 | Kamikaze Karaoke Shootout! | ZX-Spectrum 48K | English |
| 31430 | Kamikaze Karaoke Shootout! - Merry XMas | ZX-Spectrum 48K | English |
| 8309 | Kdo to ví, odpoví | ZX-Spectrum 48K | Czech |
| 39302 | La Bilancia | ZX-Spectrum 16K | Italian |
| 27456 | Learn to Control Yourself | ZX-Spectrum 48K | Russian |
| 2940 | Love Quiz 2 | ZX-Spectrum 48K | English |
| 45090 | Map Quiz | ZX-Spectrum 48K | English |
| 15043 | Marcas | ZX-Spectrum 48K | Spanish |
| 18977 | Micro IQ | ZX-Spectrum 48K | English |
| 3174 | Micro Trivia | ZX-Spectrum 48K | English |
| 3196 | Mike Read's Pop Quiz | ZX-Spectrum 48K/128K | English |
| 30805 | Millionaire (Cheating Bast Edition) | ZX-Spectrum 48K | English |
| 31061 | Mind Game | ZX-Spectrum 48K | English |
| 19769 | Multi-Choice Examination | ZX-Spectrum 16K | English |
| 22534 | Multi-Quiz | ZX-Spectrum 48K | English |
| 22246 | Music Trivia | ZX-Spectrum 48K | English |
| 23608 | Mustermind | ZX-Spectrum 48K | English |