The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Painting (1 member)
- Place (1 member)
- Pokémon (6 members)
- Religious Imagery (1 member)
- Spoilers (2 members)
- Streamer Communities (3 members)
- Streamer Community (0 members)
- Streamer Invasions (1 member)
- Streamers (8 members)
- Stub templates (4 members)
- Stubs (144 members)
- Subreddit Communities (14 members)
- Template Documentation (11 members)
- Template documentation (17 members)
- Template invoked modules (2 members)
- Templates (4 members)
- Templates imported from Wikipedia (2 members)
- Templates using TemplateStyles (6 members)
- Terraria (1 member)
- Unions (0 members)
- Video Game Communities (20 members)
- Video Games (20 members)
- Wars (1 member)
- Wikimedia UI Icons (11 members)
- r/place 2017 (8 members)
- r/place 2022 (71 members)
- r/place 2023 (3 members)