| Pandora's Box | Developer | |
| Pandorage | Developer | |
| PanelComp | Developer | |
| Panelcomp | Developer | |
| PangPangClub | Developer | |
| Pangea Software | DeveloperPublisher | |
| Panic | Publisher | |
| Panic Art Studios | DeveloperPublisher | |
| Panic Art Studios Ltd. | Developer | |
| Panic Button | DeveloperPublisher | |
| PanicBarn | Developer | |
| PanicTheFirst | Developer | |
| PannaCotta | Developer | |
| Panopticon Games | Developer | |
| Panoramic | Developer | |
| Panoramic Software | Developer | |
| PanosGamesGR | Developer | |
| Panpaii | Developer | |
| PanquecasV | Developer | |
| Panstasz | Developer | |
| Pantheon Software (Chris Edwards) | Developer | |
| Pantheon Software (David Parsons, Chris Edwards, Unyon, Tonal Kaos) | Developer | |
| Panther Games | DeveloperPublisher | |
| Panther Programs | Developer | |
| Panther Software | DeveloperPublisher | |
| Pantomime Games | Developer | |
| Pantoy Games | Developer | |
| Paolino Caputo | Developer | |
| Paolo Jose Cruz | Developer | |
| PaoloHitoshi | Developer | |
| PaoloMonkey | Developer | |
| Paon | Developer | |
| Paon Corporation | Developer | |
| Paon DP | DeveloperPublisher | |
| Papa Brickolini | Developer | |
| Papa Gorilla | Developer | |
| PapaJepo | Developer | |
| PapaQuark | Developer | |
| Papasucre | Developer | |
| Papaya Games | Developer | |
| Papaya Studio | Developer | |
| Papeero | Developer | |
| Paper | Developer | |
| Paper Alien Games | Developer | |
| Paper Castle | Developer | |
| Paper Castle Games | Developer | |
| Paper Crown Interactive | Developer | |
| Paper Cult | DeveloperPublisher | |
| Paper Nerds | Developer | |
| Paper Star Studios | Developer | |
| Paper Team | Developer | |
| PaperBlurt | Developer | |
| PaperSeven | DeveloperPublisher | |
| Paperash Studio | Developer | |
| Paperbox Studios | Developer | |
| Paperdoll Prince | Developer | |
| Paperfrog | Developer | |
| Paperknife | Developer | |
| Papieog | Developer | |
| Papillongames | Developer | |
| Papyrus Design | Developer | |
| Papyrus Design Group | DeveloperPublisher | |
| Paqka Games (Spidey Games) | Developer | |
| Para Dot. | Developer | |
| Parabole | DeveloperPublisher | |
| Parabole Studios | Developer | |
| Parachor | Developer | |
| Paradel Studios | Developer | |
| Paradigm Creators | Developer | |
| Paradigm Entertainment | Developer | |
| Paradigm Simulation | Developer | |
| ParadigmGames | Developer | |
| Paradise Programming | Developer | |
| Paradise Software | Developer | |
| Paradise Software (David Shea, Mark Eyles, Nigel Brownjohn) | Developer | |
| ParadiseLostDev | Developer | |
| Paradox Development | Developer | |
| Paradox Entertainment | Developer | |
| Paradox Interactive | DeveloperPublisher | |
| ParadoxGameDev | Developer | |
| Paragon 5 | Developer | |
| Paragon Programming | Developer | |
| Paragon Programming (Chris Gray) | Developer | |
| Paragon Publishing | Publisher | |
| Paragon Software | DeveloperPublisher | |
| Paragon Software Corporation | Developer | |
| Paragon Studios | Developer | |
| ParagonEarth | Developer | |
| Parakeet Studios | Developer | |
| Parallax | Developer | |
| Parallax Software | Developer | |
| Parallax Visions | Developer | |
| Parallax19 | Developer | |
| Parallel Circles | Developer | |
| Parallel Realities | Developer | |
| Parallel Studio | Developer | |
| Parallelogram | Developer | |
| Paralune | Developer | |
| Param | Developer | |
| Paramount Digital Entertainment | DeveloperPublisher | |