Series on letters
M, m
- Magic Bullet
- Make Your Own Sokoban
- Make the Mind to Think
- Making a Bridge
- Man in the Mirror
- Mars Spaceship
- Maux One
- Max Shots
- Mef
- Mess or Party
- Mirror Gallery
- Mirror Madness
- Mirror Mania
- Mirror Mirror
- Mirror and Confused
- Mirrorama
- Mirrors Story
- Mirrors and more Mirrors
- Mirrors for Fun
- Mirrors&Bricks
- Mirrors, Bricks&Walls
- Miscellany
- Miss
- Mission
- Morgorglornk
- Morrowind
- Mr. Ping-Pong
- Multi-functional