 | Mega Zone (Konami set 2) (clone of: megazone) | 1983 | Konami | megazonea | | 0.00 |
| Mega Zone (Kosuka set 1) (clone of: megazone) | 1983 | Konami / Kosuka | megazoneb | | 0.00 |
| Mega Zone (Kosuka set 2) (clone of: megazone) | 1983 | Konami / Kosuka | megazonec | | 0.00 |
 | Minefield | 1983 | Stern Electronics | minefld | Shooter / Driving Horizontal | 4.95 |
| | Mini Boy 7 (set 1) | 1983 | Bonanza Enterprises, Ltd | miniboy7 | | 10.00 |
| | Mini Boy 7 (set 2) (clone of: miniboy7) | 1983 | Bonanza Enterprises, Ltd | miniboy7a | | 0.00 |
 | Mini Vegas 4in1 (clone of: ltcasino) | 1983 | Entertainment Enterprises, Ltd. | mv4in1 | | 0.00 |
 | Money Money | 1983 | Zaccaria | monymony | Maze | 6.20 |
| | Monoshiri Quiz Osyaberi Macha (Japan) | 1983 | Logitec | macha | | 0.00 |
 | MotoRace USA (clone of: travrusa) | 1983 | Irem (Williams license) | motorace | Driving / Race Bike | 0.00 |
 | Mouser | 1983 | UPL | mouser | Maze | 7.50 |
| Mouser (Cosmos) (clone of: mouser) | 1983 | UPL (Cosmos license) | mouserc | Maze | 0.00 |
 | Mr. Do vs. Unicorns (clone of: docastle) | 1983 | Universal | douni | Platform / Run Jump | 0.00 |
| Mr. Do's Castle (older) (clone of: docastle) | 1983 | Universal | docastleo | | 0.00 |
| Mr. Do's Castle (set 1) | 1983 | Universal | docastle | Platform / Run Jump | 8.74 |
| Mr. Do's Castle (set 2) (clone of: docastle) | 1983 | Universal | docastle2 | | 0.00 |
 | Mr. Jong (Japan) | 1983 | Kiwako | mrjong | Puzzle / Maze | 5.50 |
 | Mr. Kougar (bootleg set 1) (clone of: mrkougar) | 1983 | bootleg | mrkougb | Platform / Run Jump | 0.00 |
| Mr. Kougar (bootleg set 2) (clone of: mrkougar) | 1983 | bootleg | mrkougb2 | | 0.00 |
| Mr. Kougar (earlier) (clone of: mrkougar) | 1983 | ATW | mrkougar2 | | 0.00 |
