The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- ''Artwork'' (1 member)
- ''Communities'' (1 member)
- ''Video Game Communities'' (1 member)
- ''Video Games'' (1 member)
- Activism (1 member)
- Alliances (43 members)
- Among Us Crewmate Sightings (6 members)
- Anime and Manga (13 members)
- Anime and Manga Communities (10 members)
- Artwork (148 members)
- Artwork Stubs (85 members)
- Artwork missing image (7 members)
- Artworks (2 members)
- Cartoons (1 member)
- Central Alliance (1 member)
- Christian Imagery (3 members)
- Citation Templates (1 member)
- Communities (125 members)
- Community (0 members)
- Community Stubs (55 members)
- Conflicts (1 member)
- D12 (0 members)
- Destiny 2 (0 members)
- Documentation Templates (1 member)
- Editing (1 member)
- Event Stubs (2 members)
- Events (3 members)
- Flags (5 members)
- General Wiki Templates (6 members)
- Geographic Communities (0 members)
- Geographical Communities (6 members)
- Images (1 member)
- Indie Alliance (3 members)
- Infobox Templates (0 members)
- Interface Message Templates (1 member)
- Language Templates (1 member)
- Lua-based templates (4 members)
- Lua metamodules (1 member)
- Marked for deletion (0 members)
- Missing Artwork ID (51 members)
- Module documentation (8 members)
- Modules required by modules (6 members)
- Modules requiring modules (5 members)
- Modules that add a tracking category (1 member)
- Movies (1 member)
- Notice Templates (0 members)
- Pages using DynamicPageList3 parser function (16 members)
- Pages with broken file links (12 members)
- Pages with ignored display titles (4 members)
- Pages with script errors (4 members)