| Madskull Creations | DeveloperPublisher | |
| MaduVenancio | Developer | |
| Mady974 | Developer | |
| Mae | Developer | |
| MaelP. | Developer | |
| Maelstrom Games | Developer | |
| Maelstrom Games (Chris Pink, Paul Rowbotham, Mike Singleton) | Developer | |
| Maelstrom GamesMike Singleton | Developer | |
| Maelstrom Software | Developer | |
| Maestro Interactive | DeveloperPublisher | |
| Maewyn Red | Developer | |
| MafazGamer | Developer | |
| Mafuta Games | Developer | |
| MagBo | Developer | |
| Magellan Interactive | Developer | |
| MagellanicGames | Developer | |
| Magenta Software | Developer | |
| Magenta Triptech Productions | Developer | |
| Magenta-Puppy | Developer | |
| Magentaautumn | Developer | |
| MagerTrash | Developer | |
| Mages | DeveloperPublisher | |
| Maggese | Developer | |
| Magic Ball's Knights | Developer | |
| Magic Bytes | DeveloperPublisher | |
| Magic Cat | Developer | |
| Magic Circle Software | Developer | |
| Magic Circle Studio | Developer | |
| Magic Design Studios | DeveloperPublisher | |
| Magic Duck Studio | Developer | |
| Magic Electronics | Publisher | |
| Magic Frame Studios | DeveloperPublisher | |
| Magic Hand (Jose Luis Correa Munoz) | Developer | |
| Magic Lemon Software | Developer | |
| Magic Magpie Games | Developer | |
| Magic Notion | Developer | |
| Magic Pixel | DeveloperPublisher | |
| Magic Pixel Games | Developer | |
| Magic Pockets | DeveloperPublisher | |
| Magic Post Box (Laurent Noel, LOG) | Developer | |
| Magic Sandbox | Developer | |
| Magic Spell Studios | DeveloperPublisher | |
| Magic Touch | Developer | |
| Magic Wand Productions | Developer | |
| Magic Workshop | Developer | |
| MagicDoogies | Developer | |
| MagicEngineering | Developer | |
| MagicFountain | Developer | |
| MagicManPrime | Developer | |
| MagicPillow | Developer | |