| Machine Language | C64 | | | Program | 0% | - |
| Magic Serpent | C64 / Amiga | Software 2000 | 1991 | Labyrinth/Maze | 59% | - |
| Magnetron | C64 | Firebird | 1988 | Action | 65% | - |
| Manchester United Europe | C64 / Amiga | Krisalis | 1991 | Sports | 62% | - |
| Maniac Mansion | C64 | Lucasfilm Games | 1987 | Adventure | 90% | - |
| Masters of the Universe: The Movie | C64 | Gremlin Graphics | 1987 | Gauntlet Style | 47% | - |
| Match Day II | C64 | Ocean | 1987 | Sports | 61% | - |
| Mean Streak | C64 | Mirrorsoft | 1987 | Racing | 69% | - |
| Mechanicus | C64 | CP Verlag | 1991 | Pinball | 74% | - |
| Mercs | C64 / Amiga | US Gold | 1991 | Shooter | 58% | - |
| MISL: Major Indoor Soccer League | C64 | Mindscape | 1987 | Sports | 69% | - |
| Miami Chase | C64 | Codemasters | 1991 | Racing | 60% | - |
| Miami Vice | C64 | Ocean | 1986 | Racing | 46% | - |
| Mickey Mouse | C64 | Gremlin Graphics | 1988 | Action | 60% | - |
| MicroProse Soccer | C64 / Amiga | MicroProse Software | 1988 | Sports | 86% | - |
| Midwinter | Amiga | Rainbird | 1990 | Strategy | 81% | - |
| Mindshadow | C64 | Activision | 1985 | Adventure | 79% | - |
| Mission Nada | C64 | | | | 0% | - |
| MoonFall | C64 | 21st Century Entertainment | 1991 | Simulation | 83% | - |
| Moonshine Racers | Amiga | Millennium | 1991 | Racing | 51% | - |
| Mortville Manor | Amiga | Lankhor | 1988 | Adventure | 80% | - |
| Motorcycle 500 | C64 | Cult Games | 1990 | Racing | 20% | - |
| MYTH: History in the Making | C64 | System 3 | 1989 | Platformer | 82% | - |