 | Many Block | 1991 | Bee-Oh | manybloc | Puzzle / Drop | 7.00 |
 | Mappy (Japan) (clone of: mappy) | 1983 | Namco | mappyj | Platform / Run Jump | 0.00 |
| Mappy (US) | 1983 | Namco | mappy | Platform / Run Jump | 9.70 |
 | Marble Madness (set 1) | 1984 | Atari Games | marble | Maze | 9.61 |
| Marble Madness (set 2) (clone of: marble) | 1984 | Atari Games | marble2 | Maze | 0.00 |
| Marble Madness (set 3) (clone of: marble) | 1984 | Atari Games | marble3 | Maze | 0.00 |
| Marble Madness (set 4) (clone of: marble) | 1984 | Atari Games | marble4 | Maze | 0.00 |
| Marble Madness (set 5 - LSI Cartridge) (clone of: marble) | 1984 | Atari Games | marble5 | | 0.00 |
 | Marchen Maze (Japan) | 1988 | Namco | mmaze | Maze / Shooter Large | 8.53 |
| | Margarita Magic (01J00101, NSW/ACT) | 2000 | Aristocrat | margmgc | | 0.00 |
 | Marine Boy | 1982 | Orca | marineb | Misc. | 4.33 |
 | Marine Date | 1981 | Taito | marinedt | Maze | 5.75 |
 | Mariner | 1981 | Amenip | mariner | Shooter / Misc. Horizontal | 5.75 |
| | Mario Andretti | 1995 | Gottlieb | andretti | | 0.00 |
| | Mario Andretti (rev.T4) (clone of: andretti) | 1995 | Gottlieb | andretti4 | | 0.00 |
 | Mario Bros. (Japan) (clone of: mario) | 1983 | Nintendo | marioj | | 0.00 |
 | Mario Bros. (PlayChoice-10) | 1983 | Nintendo | pc_mario | Platform / Run Jump | 0.00 |
| Mario Bros. (US, Revision E) (clone of: mario) | 1983 | Nintendo of America | marioe | | 0.00 |
| Mario Bros. (US, Revision F) | 1983 | Nintendo of America | mario | Platform / Run Jump | 7.38 |
| Mario Bros. (US, Unknown Rev) (clone of: mario) | 1983 | Nintendo of America | marioo | | 0.00 |
