The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Plants vs. Zombies (Series) (1 member)
- Plastic (Developer) (2 members)
- Platform (Genre) (168 members)
- Platine Dispositif (Developer) (1 member)
- PlatinumGames (Developer) (7 members)
- PlayStation 3 exclusive (Release type) (304 members)
- PlayStation exclusive (Release type) (186 members)
- Playbrains (Developer) (2 members)
- Playdead (Developer) (1 member)
- Playdead (Publisher) (1 member)
- Playlogic Entertainment (Developer) (4 members)
- Playlogic Entertainment (Publisher) (1 member)
- Playlogic Game Factory (Developer) (1 member)
- Playlogic International (Publisher) (1 member)
- Playrix Entertainment (Developer) (1 member)
- Plug In Digital (Publisher) (1 member)
- Plunge Interactive (Developer) (1 member)
- Point-and-click (Genre) (13 members)
- Point of View (Developer) (1 member)
- Polyphony Digital (Developer) (5 members)