| Phaethon Games | Developer | |
| Phailhammer | Developer | |
| Phant, | Developer | |
| Phantagram | DeveloperPublisher | |
| Phantasm Lake | Developer | |
| Phantasy | Developer | |
| Phantom | Developer | |
| Phantom 8 Studio | DeveloperPublisher | |
| Phantom Card | Developer | |
| Phantom EFX | Publisher | |
| Phantom Sloth | Developer | |
| PhantomBadger | Developer | |
| PhantomPharaoh | Developer | |
| PhantomaDev | Developer | |
| Phanxgames | Developer | |
| Pharaoh439 | Developer | |
| Pharnem | Developer | |
| Phase Two | DeveloperPublisher | |
| PhasePixel | Developer | |
| Phasor | Developer | |
| PhazeShift | Developer | |
| Phazero | Developer | |
| Pheebles Games! | Developer | |
| Phelicks | Developer | |
| Phelios | Publisher | |
| Phenomedia | DeveloperPublisher | |
| Phenomic | Developer | |
| Phenomic Game Development | Developer | |
| Pheonise | Developer | |
| Phexy091387 | Developer | |
| Phi9009 | Developer | |
| Phigames | Developer | |
| Phil Airdash | Developer | |
| Phil Churchyard | Developer | |
| Phil Hassey | Developer | |
| Phil James | Developer | |
| Phil Morin | Developer | |
| Phil Nelson | Developer | |
| Phil Snell | Developer | |
| PhilBig | Developer | |
| PhilD | Developer | |
| PhilDev | Developer | |
| PhilKo Corporation | Publisher | |
| Phil_SA | Developer | |
| Phildjii | Developer | |
| Phildo | Developer | |
| Philip Bouchard | Developer | |
| Philip Cal | Developer | |
| Philip Durbidge | Developer | |
| Philip Hassey | Developer | |
| Philip Hess & Bob Hess | Developer | |
| Philip Lindberg | Developer | |
| Philip Park | Developer | |
| Philip Scott | Developer | |
| Philip Taglione | Developer | |
| PhilipL | Developer | |
| Philipe Go. | Developer | |
| Philippe Thibaut | Developer | |
| Philippe Ulrich | Developer | |
| Philips | Publisher | |
| Philips Interactive Media | DeveloperPublisher | |
| Philips Media | Publisher | |
| Philips Média France | Publisher | |
| Philips POV Entertainment | Developer | |
| Philips Spain | Publisher | |
| Philisophic Games | Developer | |
| Philko | Publisher | |
| Phill | Developer | |
| Phillip J Rhoades | Developer | |
| Phillipe Augusto | Developer | |
| PhirezStudios | Developer | |
| Phive | Developer | |
| Phobia Game Studio | Developer | |
| PhobiaGamesNet | Developer | |
| Phobo | Developer | |
| Phobos001 | Developer | |
| PhobosLab | DeveloperPublisher | |
| Phodex Games | Developer | |
| Phoebe Shalloway | Developer | |
| Phoenics | Developer | |
| Phoenix | Developer | |
| Phoenix Arts | DeveloperPublisher | |
| Phoenix Entertainment | Developer | |
| Phoenix Fireflower | Developer | |
| Phoenix Games | DeveloperPublisher | |
| Phoenix Games (video) | Publisher | |
| Phoenix Games Studio | Developer | |
| Phoenix GamesEU | Publisher | |
| Phoenix GamesPAL | DeveloperPublisher | |
| Phoenix Interactive Entertainment | Developer | |
| Phoenix Labs | DeveloperPublisher | |
| Phoenix Software | DeveloperPublisher | |
| Phoenix Studio | Developer | |
| Phoenix Studios | Developer | |
| Phoenix play | Developer | |
| Phoenix_co | Developer | |
| Phoenixx | Publisher | |
| Phoesion | Developer | |
| PhoneticStudio's | Developer | |
| Phoskryfes | Developer | |
| Phosphene Factory | Developer | |
| Phosphor | Developer | |
| Phosphor Games | DeveloperPublisher | |
| Photon Creations | Developer | |
| PhuCat | Developer | |
| Phun | Developer | |
| Phygon | Developer | |
| Phykro | Developer | |
| Phyrie | Developer | |
| Phyro | Developer | |
| PhysBoom | Developer | |
| PhysTechSoft, Ltd. | Developer | |
| PhyscoKillerMonkey | Developer | |
| Pi Arts | DeveloperPublisher | |
| Pi Studios | Developer | |
| Pi!NG Team | Developer | |
| Pi0h1 | Developer | |
| PiJaMar | Developer | |
| PiXEL | DeveloperPublisher | |
| Pi_Ninja | Developer | |
| Piacci | DeveloperPublisher | |
| PicBrick Studios | Developer | |
| Picardo_Sanchez | Developer | |
| Picardy Third Entertainment | Developer | |
| Piccadilly Software | Publisher | |
| Piccolo Studio | Developer | |
| Piccolo Studios | Developer | |
| PichaelMarrish | Developer | |
| Pichi Dev | Developer | |
| PichuMain | Developer | |
| Pichusuperlover | Developer | |
| Picki | Publisher | |
| Picklefeet Games | Developer | |
| PicklesIIDX | Developer | |
| Picmatic | Developer | |
| Pico Sacro Games | Developer | |
| PicoLate | Developer | |
| Picogram | Developer | |
| Picture House | Developer | |
| PicusB | Developer | |
| Pidibidi | Developer | |
| Pidroh | Developer | |
| Pie For Breakfast Studios | Developer | |
| Pie On A Plate Productions | Developer | |
| Pie in the Sky Software | DeveloperPublisher | |
| Pieces Interactive | DeveloperPublisher | |
| Piecewise | Developer | |
| Piedra Alta Games | Developer | |
| Piepsii | Developer | |
| Pierce Consulting | Publisher | |