| Name | Types | |
|---|---|---|
| Mix2001 | Developer | |
| MixAndMash | Developer | |
| MixBulfreak | Developer | |
| MixMorris | Developer | |
| Mixeal | Developer | |
| Mixed Bag | DeveloperPublisher | |
| MixedBag | DeveloperPublisher | |
| MixedBagGames | Developer | |
| MixelsGames | Developer | |
| Mixi | Developer | |
| Mixing Suns | Developer | |
| Mixmax | Developer | |
| Mixtvision | Publisher | |
| Mixtvision Digital | Publisher | |
| Mixtvision Games | Publisher | |
| Mizar Computing | Publisher | |
| Mizi | Publisher | |
| Mizuki | Developer | |
| Mjojoart | Developer | |
| Mk.2 | Developer | |
| Mnemogenic | Developer | |
| Mnemosyne | DeveloperPublisher | |
| MniTortoise180 | Developer | |
| MoBadr | Developer | |
| MoJoE | Developer | |
| MoMo | Developer | |
| MoMoTheDestroyer | Developer | |
| MoToKo | Developer | |
| Mo_se | Developer | |
| MoaCube | Developer | |
| Mobandon | Developer | |
| Mobigame | DeveloperPublisher | |
| Mobile & Game Studio | DeveloperPublisher | |
| Mobile & Gamestudio | Developer | |
| Mobile 21 | Developer | |
| Mobile Co Studios | Developer | |
| Mobile21 | Developer | |
| Mobirate | DeveloperPublisher | |
| Mobius | Publisher | |
| Mobius Digital | Developer | |
| Mobius Entertainment | Developer | |
| Mobler | Developer | |
| Mobot Studios | DeveloperPublisher | |
| Mobsarmy | Developer | |
| MobyDeee | Developer | |
| MobyGames | Publisher | |
| Mocadium | Developer | |
| Mochan | Developer | |
| Mochi | Developer | |
| Mochi Mode Ltd | Developer |