| 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 | |