Companies
- Mercury Steam Entertainment
- Merge Games
- Meridian4
- Messhof
- Meta
- Metanet Software
- Microbird
- Microids
- Microsoft
- Microsoft Studios
- Midway
- MiHoYo Limited
- Mike Bithell
- Milestone
- Mimimi Games
- MinMax Games
- MintRocket
- Mirage Game Studios
- Mischief
- Mistwalker
- Mithis Entertainment
- Mobius Digital
- Modiphius Entertainment
- Modus Games
- Mojang