| Ponywolf | Developer | |
| Poobslag | Developer | |
| PoodlePilot | Developer | |
| PoolGamesTM | Developer | |
| Poor Richard | Developer | |
| Poor Track Design | Developer | |
| Poordoor | Developer | |
| Pooya Lavasani | Developer | |
| Pop House | Developer | |
| Pop Software | DeveloperPublisher | |
| PopCap | DeveloperPublisher | |
| PopCap Game | Publisher | |
| PopCap Games | DeveloperPublisher | |
| PopPopBoat | Developer | |
| PopRockz_1 | Developer | |
| PopTop Software | Developer | |
| Popanoel | Developer | |
| Popcannibal | Developer | |
| Popcap | Developer | |
| Popcom Soft | Publisher | |
| Popcorn Arcade | DeveloperPublisher | |
| Popcorn ArcadePAL | Publisher | |
| Popcorn Soft | DeveloperPublisher | |
| PopcornCaptain | Developer | |
| Popcornmotte | Developer | |
| Popo | Developer | |
| Poponchi | Developer | |
| Poppo | Publisher | |
| Poppy Loaf Exe | Developer | |
| Poppy Soft | Publisher | |
| Poppy Works | Developer | |
| Por Que | Developer | |
| Porchetto | Developer | |
| Poribo | Developer | |
| Porky Powers | Developer | |
| Porocyonak | Developer | |
| Poroh-kun | Developer | |
| Porpentine | Developer | |
| Port of Rotterdam | Developer | |
| Port'sNotAlt | Developer | |
| Porta Play | Developer | |
| Portable Moose | Developer | |
| Portkey Games | Publisher | |
| Portoaj | Developer | |
| Portobelly | Developer | |
| Portrait Prophecies | Developer | |
| Positech Games | DeveloperPublisher | |
| Positive | DeveloperPublisher | |
| Positive Frame Games | Developer | |
| Positive Software | DeveloperPublisher | |
| PositiveThumbGaming | Developer | |
| Positronic Software | Developer | |
| Posseidon0110 | Developer | |
| PossiblyAxolotl | Developer | |
| Possmonaut | Developer | |
| Possum House Games | Developer | |
| PossumProductions | Developer | |
| Post Mortem Pixels | Developer | |
| PostEastern | Developer | |
| Postmodern Adventures | Developer | |
| Postpunk Games | Developer | |
| PotaTOONFireGames | Developer | |
| Potat_o | Developer | |
| PotataCompany | Developer | |
| PotatoIsaiahg | Developer | |
| PotatoOfShadows | Developer | |
| PotatobrainGames | Developer | |
| Potatoes Are Not Explosive | Developer | |
| Potatofuzz | Developer | |
| Potatonion | Developer | |
| Potatosaucevids | Developer | |
| PotentialError | Developer | |
| Potentially Odd | Developer | |
| Potion Park | Developer | |
| Potreik | Developer | |
| PouPou | Developer | |
| Pouek | Developer | |
| PouleyKetchoup | Developer | |
| Pouncing Kitten Games | DeveloperPublisher | |
| Pow | DeveloperPublisher | |
| Pow Pow | Developer | |
| Power House Software | Publisher | |
| Power Struggle Games | Developer | |
| Power Systems | Developer | |
| Power and Magic Development | Developer | |
| PowerBurger | Developer | |
| PowerMaster | Developer | |
| PowerOfCreation | Developer | |
| PowerUp.IO | Developer | |
| PowerVision | Publisher | |
| PowerfulBacon | Developer | |
| Powerhead | Developer | |
| Powerhead Games | Developer | |
| Powerhoof | DeveloperPublisher | |
| Powersaurus | Developer | |
| Powerworks | Developer | |
| Powplowdevs | Developer | |
| Poxnixles | Developer | |
| Poyarik | Developer | |
| Pozitronic | Developer | |