M
- Macadam Bumper
- Mad Professor Mariarti
- Magicland Dizzy
- Major Motion
- Maniac Mansion
- Magic Boy
- Magic Pockets
- Marble Madness
- Masterblazer
- Medieval Chess
- Mega Lo Mania
- Megaroids
- Metal Mutant
- Metro-Cross
- MIDI Maze
- Midnight Resistance
- Midwinter
- Midway Battles
- Motor Massacre
- Myth
Read more about this topic: List Of Atari ST Games