| Page 44 Studios |
| PAM Development |
| Pandemic Studios |
| Papaya Studio |
| Papyrus Racing Games |
| Paradigm Entertainment |
| Paradox Development |
| Paradox Interactive |
| Parallax Arts Studio |
| Pendulo Studios |
| People Can Fly |
| Perfect World Entertainment |
| PES Productions |
| Petroglyph |
| Phantagram |
| Phantom EFX |
| Phantomery Interactive |
| Phenomic |
| Philos Labs |
| Phoenix Interactive |
| Phoenix Online Studios |
| Pieces Interactive |
| Pipedream Interactive |
| PipeWorks |
| Piranha Bytes |
| Pitbull Syndicate |
| Pivotal Games |
| PixelStorm |
| Planet Moon Studios |
| Plastic |
| Plastic Reality Technologies |
| PlatinumGames |
| Play Ten Interactive |
| PlayDead |
| Playful Entertainment |
| Playlogic |
| Point of View |
| Pollux Gamelabs |
| Polyphony Digital |
| Polytron |
| PomPom Games |
| PopCap Games |
| PopTop Software |
| Positech Games |
| Press Play |
| Presto Studios |
| Private Moon Studios |
| Project Aces |
| Project Sora |
| Project Soul |
| Propaganda Games |
| Proper Games |
| Pseudo Interactive |
| Psyonix Studios |
| Pterodon |
| Pwnee Studios |
| Pyramid |
| Pyro Studios |
| Pyrodactyl |
