| Monolith Soft |
| Monster Games |
| Monte Cristo |
| Monumental Games |
| Moon Byte Studios |
| Moon Studios |
| Moonpod |
| Morgondag |
| Mossmouth |
| Most Wanted Games |
| Mothership Entertainment |
| MTV Games |
| Mud Duck Games |
| Mud Duck Productions |
| MumboJumbo |
| Music Maker |
| Muzzy Lane Software |
| Myelin Media |
| Mythic Entertainment |
| n-Space |
| N.C.H. |
| NAC |
| Nadeo |
| Naked Sky Entertainment |
| Namco |
| Namco Bandai Games |
| NanaOn-Sha |
| Natsume |
| Naughty Dog |
| NCsoft |
| Nd Cube |
| Neko Entertainment |
| neoqb |
| Nerve Software |
| NetDevil |
| NetherRealm Studios |
| Neversoft |
| Nexon |
| Next Level Games |
| nFusion |
| Nicely Crafted Entertainment |
| Night Light Interactive |
| Nihilistic Software |
| Nik Nak |
| Nikitova |
| Ninja Theory |
| NinjaBee |
| Nintendo |
| Nippon Ichi Software |
| NIS America |
| Nitro Games |
| Nitroplus |
| Nival Interactive |
| Nobilis |
| Nomad Games |
| None |
| NovaLogic |
| Nowhere Studios |
| Nowproduction |
| Ntreev |
