| Millennium Media Group | Developer | |
| Millimedia Games | Developer | |
| Million | Developer | |
| Million Co., Ltd. | Developer | |
| Million Corp. | Developer | |
| Millo Games | DeveloperPublisher | |
| Mills1 | Developer | |
| Milo Games | Developer | |
| Milo Smiley | Developer | |
| MiloMyth | Developer | |
| MiloSoft | Developer | |
| Miloush | Developer | |
| Milrock15 | Developer | |
| Miltage | Developer | |
| Milton Bradley Company | Publisher | |
| Mily | Developer | |
| Mimi Chiu | Developer | |
| Mimic | Developer | |
| Mimimi Games | Developer | |
| Mimimi Productions | Developer | |
| MimmoO | Developer | |
| MimounKECHE | Developer | |
| Min Communications | DeveloperPublisher | |
| Min Lii | Developer | |
| MinaKhalil | Developer | |
| Minakuchi Engineering | Developer | |
| Minato Giken | Developer | |
| Minato Soft | DeveloperPublisher | |
| Minato Station | DeveloperPublisher | |
| Minatojc | Developer | |
| Minavas | Developer | |
| Mind Candy | Developer | |
| Mind Control Software | Developer | |
| Mind Echoes | Developer | |
| Mind Games | Publisher | |
| Mind Games España | DeveloperPublisher | |
| Mind Games Software | Publisher | |
| Mind Palace | Developer | |
| Mind Shear Software | Developer | |
| Mind's Eye | Developer | |
| Mind's Eye Games | DeveloperPublisher | |
| Mind's Eye Productions | Developer | |
| Mind's Eye Software | Developer | |
| Mind's Eye Software (Jim Gardner) | Developer | |
| Mind's Eye Software (Jim Gardner, David Whittaker) | Developer | |
| Mind's Eye Software (Jim Gardner, Julian Wood, J. Dave Rogers) | Developer | |
| Mind's Eye Software (Matt Furniss) | Developer | |
| MindArk | DeveloperPublisher | |
| MindFuse Games | DeveloperPublisher | |
| MindGames Entertainment | Developer | |
| MindSpan | Developer | |
| MindSpan Technologies | Developer | |
| MindStorm | Publisher | |
| MindStorm Software | Developer | |
| Mindalajinka | Developer | |
| Mindcraft | DeveloperPublisher | |
| Mindcraft Software | DeveloperPublisher | |
| MindfulMammoth | Developer | |
| Mindnumb Interactive | Developer | |
| Minds-Eye Productions | Developer | |
| Mindsai Productions | Developer | |
| Mindscape | DeveloperPublisher | |
| Mindscape (EU) | Publisher | |
| Mindscape EU | Publisher | |
| Mindscape Group | Publisher | |
| Mindscape NA/EU | Publisher | |
| Mindscape Software | Publisher | |
| MindscapeNA | Publisher | |
| MindscapePAL | Publisher | |
| Mindshaft Games | Developer | |
| Mindspan | Developer | |
| Mindspan Technologies | Developer | |
| Mindtricks | Developer | |
| Mindware | Publisher | |
| Mindware Limited | Developer | |
| Mindware Studios | Developer | |
| Mine Ranger | Developer | |
| MineKen713 | Developer | |
| Minecraft Creeper King | Developer | |
| MinecraftGirlPlayz | Developer | |
| MinecraftNate520 | Developer | |
| Minecraftgamerpc64 | Developer | |
| Minemes | Developer | |
| Minenik | Developer | |
| Mineo Games | Developer | |
| Miner-games | Developer | |
| Minerik | Developer | |
| MinhNguyen35 | Developer | |
| Minhs2 | Developer | |
| Mini Bunnies | Developer | |
| Mini Hamster Productions | Developer | |
| Mini Koala | Developer | |
| MiniBeast Games | DeveloperPublisher | |
| MiniBobbo | Developer | |
| MiniChimera | Developer | |
| MiniDev | Developer | |
| MiniJor | Developer | |
| MiniNoosie | Developer | |
| MiniTardigrade | Developer | |
| MiniVisions | Developer | |
| Miniboss | Developer | |
| Miniclip | Publisher | |
| Miniclip Games | Publisher | |
| MinigunMonkeyGames | Developer | |
| Minilop | Developer | |
| Minimol games | Developer | |
| MinionSoft | Developer | |
| Minionpress | Developer | |
| Minions of Elden | Developer | |
| Minisoop | Developer | |
| MinisterJay | Developer | |
| Ministry of Broadcast Studio | Developer | |
| MinistryOfAction | Developer | |
| Miniwigi | Developer | |
| Mink | Developer | |
| Mink Co. | DeveloperPublisher | |
| Mink Co. Ltd. | DeveloperPublisher | |
| Minksworks | Developer | |
| Minnae Soft Co. | DeveloperPublisher | |
| Minnesota Educational Computing Consortium | Developer | |
| Minnesota Zoo | Developer | |
| Mino_Games_present | Developer | |
| Minoh Workshop | Developer | |
| Minoqi | Developer | |
| Minor Key Games | Developer | |
| Minord | Developer | |
| Minori | DeveloperPublisher | |
| Minority | Developer | |
| Minos_L2b | Developer | |
| Minro | Developer | |
| Mint | Developer | |
| Mint Eye | Developer | |
| Mint Fox | Developer | |
| MintArcade | Developer | |
| MintSoup | Developer | |
| Mintech | Developer | |
| Minty Mint | Developer | |
| Miolhr_SM | Developer | |
| Miqdad Naduthodi | Developer | |
| Mir | Developer | |
| Mir-Dialogue | Developer | |
| Miracle Box Games | Publisher | |
| Miracle Designs | Developer | |
| Miracle Games | Developer | |
| Miracle Moon | Developer | |
| Miracle Positive | DeveloperPublisher | |
| Miracle Tea | Developer | |
| Miracle_Koyka | Developer | |
| Mirage | Developer | |
| Mirage Game Studios | Developer | |