Companies
- Maze Theory
- McDonald's
- MDHR
- Media Molecule
- Media Vision
- Mediatonic
- Melbourne House
- Mercury Steam Entertainment
- Meridian4
- Messhof
- Meta
- Metalhead Software
- Metanet Software
- Meteor Entertainment
- Mforma
- Microbird
- Microids
- Microprose
- Microsoft
- Microsoft Studios
- MidBoss
- Midnight City
- Midnight Society
- Midsummer Studios
- Midway