Game System
- Manhattan Project1
- Mare Nostrum1
- Mario Kart DS1
- Mario Kart Wii1
- Marvel Super Heroes1
- Mechwarrior1
- Mechwarrior: Age of Destruction1
- Megaman1
- Metamorphosis Alpha1
- Metro1
- MidEvil1
- Middle-Earth Role Playing1
- Middle-Earth: The Wizards1
- Mind's Eye Theatre1
- Miximus Rules!1
- Modern Horror1
- Modern Warfare 3: 4v4 Search & Destroy1
- Monsterpocalypse1
- Monsters and Other Childish Things1
- Multiple1