| 18459 | Mastermind | ZX-Spectrum 16K | Spanish |
| 18024 | Mastermind Color | ZX-Spectrum 48K | Spanish |
| 24632 | Mastermind [2] | ZX-Spectrum 48K | Spanish |
| 42543 | Matar al César | ZX-Spectrum 128K | Spanish |
| 18454 | Mate-1 | ZX-Spectrum 16K | Spanish |
| 13336 | Matematicas | ZX-Spectrum 48K | Spanish |
| 38699 | Matematicas I | ZX-Spectrum 48K | Spanish |
| 24799 | Mates | ZX-Spectrum 48K | Spanish |
| 16461 | Matrices | ZX-Spectrum 48K | Spanish |
| 18041 | Matrices | ZX-Spectrum 48K | Spanish |
| 16592 | Matrices y Ecuaciones | ZX-Spectrum 48K | Spanish |
| 14357 | Matrices y Sistemas Lineales | ZX-Spectrum 48K | Spanish |
| 16412 | Matrix | ZX-Spectrum 48K | Spanish |
| 43629 | Max Stone - El Secreto de la Gran Piramide | ZX-Spectrum 48K/128K | Spanish |
| 44458 | Maxima Aventura | ZX-Spectrum 48K | Spanish |
| 24764 | Mayusculas | ZX-Spectrum 48K | Spanish |
| 44533 | Maze | ZX-Spectrum 48K | Spanish |
| 31949 | Maze-K | ZX81 1K | Spanish |
| 36577 | Mazmorras de Tokat | ZX-Spectrum 48K | Spanish |
| 18640 | Mecanograf | ZX-Spectrum 48K | Spanish |