| 39131 | Many In One Games | ZX-Spectrum 48K | English |
| 41406 | Marathon | ZX81 16K | English |
| 3033 | Marble Madness - The Game | ZX-Spectrum 48K | English |
| 3032 | Marble Madness: The Construction Set | ZX-Spectrum 48K | English |
| 41346 | Marbles | ZX81 16K | English |
| 44897 | Marcianos | ZX-Spectrum 16K | Spanish |
| 20177 | Mariano the Dragon in Capers in Cityland | ZX-Spectrum 48K/128K | English |
| 25140 | Mario | ZX-Spectrum 48K | English |
| 42074 | Mario Bros. Game & Watch | ZX-Spectrum 48K | English |
| 12939 | Mario Islands | ZX-Spectrum 128K | English |
| 43985 | Mario's Bombs Away | ZX-Spectrum Next | English |
| 29060 | Markelse Avonturen | ZX81 16K | Dutch |
| 43703 | Marlow: In Apocalyptic Acid World | ZX-Spectrum 128K | English |
| 20756 | Marrow in the World of Wisdom | ZX-Spectrum 48K | English |
| 29061 | Mars Lander | ZX81 16K | Dutch |
| 41511 | Mars Landing | ZX80 | English |
| 29570 | Mars Man | ZX81 16K | English |
| 12940 | Mars Red | ZX-Spectrum 48K | Russian |
| 36516 | Marsmare: Alienation | ZX-Spectrum 128K | Multi-language: English, Russian, Spanish |
| 44665 | Marsu | ZX-Spectrum 16K/48K | Finnish |