The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievement icons (11 members)
- Administrators (4 members)
- Article stubs (7 members)
- Articles lacking sources (4 members)
- Artwork (18 members)
- Bird People (4 members)
- Blog posts (8 members)
- Browse (3 members)
- Candidates for deletion (0 members)
- Characters (26 members)
- Community (3 members)
- Content (7 members)
- Element templates (6 members)
- Faces (181 members)
- Faulty images (1 member)
- Files (9 members)
- Galleries (20 members)
- General wiki templates (17 members)
- Infobox templates (4 members)
- Item files (75 members)
- Locations (7 members)
- Main Characters (10 members)
- Maps (5 members)
- Miscellaneous files (18 members)
- Navbox templates (2 members)
- Notice templates (8 members)
- Objects (1 member)
- Organization (4 members)
- Pictures (36 members)
- Policy (1 member)
- Preload templates (2 members)
- Robots (5 members)
- Screenshots (25 members)
- Site maintenance (5 members)
- Soundtrack files (8 members)
- Sprites (45 members)
- Table templates (5 members)
- Template documentation (49 members)
- Templates (9 members)
- Utility templates (5 members)
- Videos (2 members)
- WIP (14 members)