| PepperBoi | Developer | |
| Peppermint Kids | DeveloperPublisher | |
| Pepperoni Games | Developer | |
| PeppersGamer | Developer | |
| Per K Grok | Developer | |
| PerIta Soft | Developer | |
| Perametade Games | Developer | |
| Perang Cemen | Developer | |
| Perceve | Developer | |
| Perchang | Developer | |
| Percy | Developer | |
| Percy Dragon | Developer | |
| Pere | Developer | |
| Perebite | Developer | |
| Perfect 10 Productions | Developer | |
| Perfect Entertainment | DeveloperPublisher | |
| Perfect Hat | DeveloperPublisher | |
| Perfect Run | Developer | |
| Perfect World | Publisher | |
| Perfect World Entertainment | Publisher | |
| Perfection Software | Publisher | |
| Perfectly Paranormal | DeveloperPublisher | |
| Perfoon | Developer | |
| Performance Designed Products | DeveloperPublisher | |
| Pergaeyon | Developer | |
| Perichron Interactive | Developer | |
| Perigon Games | Developer | |
| Periltek | Developer | |
| Perimeter Games | DeveloperPublisher | |
| Peringo | Developer | |
| PeriodOfPlay | Developer | |
| PeritaStudio | Developer | |
| Permafried Games | Developer | |
| Permafrost | Developer | |
| PeroPeroGames | Developer | |
| PeronJames | Developer | |
| Perp Games | Publisher | |
| Perpetual Diversion | Developer | |
| Perpetual FX Creative | Developer | |
| PerpetuosGames | Developer | |
| Perro Viejo | Developer | |
| PerroApaleado | Developer | |
| Perry Berkum | Developer | |
| Perry Optics | Developer | |
| Persegan | Developer | |
| Persephone's Chair | Developer | |
| Persian Soft | DeveloperPublisher | |
| Persijn Kwekkeboom | Developer | |
| Persistant Studio | Developer | |
| Persistant Studios | Developer | |