| MadGnolas | Developer | |
| MadJubal | Developer | |
| MadLab | Developer | |
| MadManMeakin | Developer | |
| MadManPockets | Developer | |
| MadManToss | Developer | |
| MadMaxGames | Developer | |
| MadScientistGameStudio | Developer | |
| MadWallker | Developer | |
| MadWayDigital | Developer | |
| MadcoreTom | Developer | |
| Madcow | Developer | |
| Maddie Blue | Developer | |
| Maddiecorn | Developer | |
| Maddox Pratt | Developer | |
| Maddy Myers | Developer | |
| Maddy Sutton | Developer | |
| Made | DeveloperPublisher | |
| Made In Spain | Publisher | |
| Made On Mars | Developer | |
| Made by Liyi | Developer | |
| Made in Spain | Developer | |
| Made in Spain (Carlos Granados Martinez) | Developer | |
| Made in Spain (Fernando Rada Briega, Carlos Granados Martinez, Jorge Granados Martinez) | Developer | |
| Made in Spain (Jorge Granados Martinez) | Developer | |
| MadeByJawns | Developer | |
| MadeWithMonsterLove | Developer | |
| Madeleine Guinness | Developer | |
| Madfool | Developer | |
| Madgarden | Developer | |
| Madguy | Developer | |
| MadiTheImmortal | Developer | |
| Madikken | Developer | |
| Madison H | Developer | |
| Madison Rose | Developer | |
| Madison Scott-Clary | Developer | |
| Madjix Studio | Developer | |
| Madlab Software | Developer | |
| Madman Theory Games | Developer | |
| MadmanEpic | Developer | |
| Madmind Studio | Developer | |
| Madness Studio | Developer | |
| MadnessCODE | Developer | |
| Mado | Developer | |
| Madomation | Developer | |
| Madosoft | Developer | |
| Madpix Game Studio | Developer | |
| Madruga Works | DeveloperPublisher | |
| MadsBuchmann | Developer | |
| Madskramer | Developer | |
| 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 | |
| MagicTrick | Developer | |
| Magical | Developer | |
| Magical Company | DeveloperPublisher | |
| Magical Company (Mahou) | DeveloperPublisher | |
| Magical CompanyJP | Publisher | |
| Magical Craft | Developer | |
| Magical Formation | Developer | |
| MagicalTimeBean | Developer | |
| MagicalZoo | DeveloperPublisher | |
| Magicbane | Developer | |
| Magicfish Studio | Developer | |
| Magicland Dizzy | DeveloperPublisher | |
| Magicom Multimedia | Publisher | |
| Magicsoft | Developer | |
| Magictech Studio | Developer | |
| Magifact | DeveloperPublisher | |
| MagikTopHatt | Developer | |
| MagincianCompany | Developer | |
| Magitech | Developer | |
| MagmaProd | Developer | |
| Magn | Developer | |
| Magna Carta Software | Publisher | |
| Magnatales Games | Developer | |
| Magnega | Developer | |
| Magnes | Developer | |
| Magnesium Ninja | Developer | |
| Magnet Team | Developer | |
| Magnetic Fields | Developer | |
| Magnetic Images | DeveloperPublisher | |
| Magnetic Realms | DeveloperPublisher | |
| Magnetic Scrolls | DeveloperPublisher | |
| Magnetic Scrolls (Phil Snout, John Molloy) | Developer | |
| Magnificent 7 Software | Publisher | |
| Magnin & Associates | Developer | |
| Magnin and Associates | Developer | |
| Magno de Morais | Developer | |
| Magnolia | DeveloperPublisher | |
| Magnus Games | Developer | |
| Mago | Developer | |
| Magpie Collective | Developer | |
| Magpie Computer Developments Ltd | Developer | |
| Magpie Studios | Developer | |
| Magus24 | Developer | |
| Mahdi Fanaei | Developer | |
| Mahdianto Production | Developer | |
| Mahjoub | Developer | |
| Mahmood J | Developer | |
| Mahmoud_Official | Developer | |
| Mahorova | Developer | |
| Mahou | DeveloperPublisher | |