The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievements (2 members)
- Adventurers Guild (92 members)
- Blog posts (4 members)
- Browse (5 members)
- Building (21 members)
- Candidates for deletion (0 members)
- Community (1 member)
- Desktop/Mobile (4 members)
- Developers (1 member)
- Disambiguations (0 members)
- Documentation templates (1 member)
- General wiki templates (18 members)
- Hatnote templates with errors (0 members)
- Image license templates (13 members)
- Images (4 members)
- Infobox templates (13 members)
- Item (55 members)
- Maintenance (6 members)
- Media (2 members)
- Navbox templates (1 member)
- Nonograms (16 members)
- Nonograms Katana Wiki (9 members)
- Notice templates (10 members)
- Pages with broken file links (0 members)
- Quote templates (2 members)
- Screenshots (0 members)
- Settings (1 member)
- Stubs (1 member)
- Template documentation (56 members)
- Templates (11 members)
- Unattributed files (0 members)
- VIP (1 member)
- Videos (1 member)
- Wiki skin images (2 members)
- Work in progress (0 members)