- M Force
- M-Warrior #1
- Mach Synchron
- Machina Sniper
- Machine Conversion Factory
- Machine Duplication
- Machine King
- Mad Archfiend
- Mad Profiler
- Mad Sword Beast
- Magic Cylinder
- Magic Formula
- Magic Jammer
- Magical Academy
- Magical Alms
- Magical Dimension
- Magical Hats
- Magical Labyrinth
- Magical Mallet
- Magical Pigeon
- Magical Scientist
- Magical Stone Excavation
- Magical Trick Mirror
- Magician of Black Chaos