| Paramount Interactive | Developer | |
| ParanGAME | Publisher | |
| Paranoia Entertainment | Developer | |
| Paranoid Cactus | Developer | |
| Paranoid Productions | DeveloperPublisher | |
| Paranoid Software | Developer | |
| Paranoid_Clam | Developer | |
| Paranormal Games | Developer | |
| Paraperipipiadoux | Developer | |
| Paraxenos | Developer | |
| Parchemins | Developer | |
| Pardis Games | Publisher | |
| Parenthesis Press | Developer | |
| Parenthesix | Developer | |
| Parfait Alley | Developer | |
| Paris Green | Developer | |
| Parisoft | Developer | |
| Parity Bit | Developer | |
| ParityBit | Developer | |
| Parival | Developer | |
| Park ESM | DeveloperPublisher | |
| Park Place Productions | Developer | |
| Parker Brothers | Publisher | |
| Parker Brothers NA | Publisher | |
| Parker Software | Publisher | |
| ParkerIsPk | Developer | |
| ParkingByForce | Developer | |
| ParrotWatcher | Developer | |
| Parroty Interactive | DeveloperPublisher | |
| Parrudo Productions | Developer | |
| Parsafari | Developer | |
| Parsakaali | Developer | |
| Parse(Nips); | Developer | |
| Parsoft Interactive | Developer | |
| ParthTiwari | Developer | |
| Particle Systems | Developer | |
| Particles Games | Developer | |
| Parts Per Million | Developer | |
| Party Time! Hexcellent! | Developer | |
| Party for Introverts | Developer | |
| PartyPancakes | Developer | |
| PartyVGames | Developer | |
| Partysofa | Developer | |
| Pas un jeu | Developer | |
| Pascal Aregger | Developer | |
| Pascal Felber | Developer | |
| Pasculator | Developer | |
| Pasiphae Concern | Developer | |
| Passion Republic | DeveloperPublisher | |
| Passtech Games | Developer | |
| Pasta Games | DeveloperPublisher | |
| Pasta Pig | Developer | |
| PastaMiMasta | Developer | |
| Pastaspace Interactive | Developer | |
| Pastel | Developer | |
| Pastel Pistols | Developer | |
| PastelBlackStudios | Developer | |
| PastelPyon | Developer | |
| Pastelle Studios | Developer | |
| Pastime Project | Developer | |
| Pastramicity | Developer | |
| Pastry | Developer | |
| Pat Copeland | Developer | |
| Pat Farnach | Developer | |
| Pat Healy | Developer | |
| Pat Morita Team | Developer | |
| Pat Relf & Tara Framer | Developer | |
| Pat W Norris | Developer | |
| Pat-o-logic Studio | DeveloperPublisher | |
| PatAle | Developer | |
| PatDavisGames | Developer | |
| Patada! | Developer | |
| Pataflafla | Developer | |
| PatchesTheWright | Developer | |
| Patchoid | Developer | |
| Patchwork | Developer | |
| Patchwork Doll Games | Developer | |
| Patchwork Princess | Developer | |
| Pathea Games | DeveloperPublisher | |
| Pathiral | Developer | |
| Pathos Interactive | Developer | |
| PathwaysTeam | Developer | |
| Patience9 | Developer | |
| Patitotective | Developer | |
| Patlegoman | Developer | |
| Pato Ingeniero | Developer | |
| PatoVerde | Developer | |
| Patoland | Developer | |
| Patra | Publisher | |
| Patrice Metcalf-Putnam | Developer | |
| Patrick | Developer | |
| Patrick Aalto | Developer | |
| Patrick Farley | Developer | |
| Patrick Kemp | Developer | |
| Patrick LeMieux and Stephanie Boluk | Developer | |
| Patrick Miller | Developer | |
| Patrick Nance | Developer | |
| Patrick Pich | Developer | |
| Patrick Rainville | Developer | |
| Patrick Richmond | Developer | |