M
| Machinegun Joe | Sega | Sega | |
| Master Pinball | - | - | |
| Master Pong | - | - | |
| Maze Walker | Sega | Sega | |
| Memoria Master | - | - | |
| Mina Terrestre | - | - | |
| Minerador | - | - | |
| My Hero | Coreland | Sega |
Read more about this topic: List Of Tec Toy Master System 131 Games
M
| Machinegun Joe | Sega | Sega | |
| Master Pinball | - | - | |
| Master Pong | - | - | |
| Maze Walker | Sega | Sega | |
| Memoria Master | - | - | |
| Mina Terrestre | - | - | |
| Minerador | - | - | |
| My Hero | Coreland | Sega |
Read more about this topic: List Of Tec Toy Master System 131 Games