The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievement images (27 members)
- Achievements (44 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Career (6 members)
- Career Plus (6 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (3 members)
- Copyright templates (12 members)
- Descenders (17 members)
- Descenders Wiki (17 members)
- Developers (1 member)
- Disambiguations (0 members)
- Documentation templates (3 members)
- Formatting templates (21 members)
- Front page sections (0 members)
- Guides (2 members)
- Hidden categories (0 members)
- Icons (307 members)
- Images (7 members)
- Images needing improvement (0 members)
- Infobox templates (3 members)
- Items (4 members)
- Legal notices (3 members)
- Logos (2 members)
- Mechanics (5 members)
- Media (2 members)
- Mini-bosses (1 member)
- Navigation templates (6 members)
- Notice templates (15 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (0 members)
- Publishers (1 member)
- Region images (18 members)
- Regions (10 members)
- Screenshots (103 members)
- Special nodes (2 members)
- Stubs (7 members)
- Team logos (3 members)
- Teams (4 members)
- Template documentation (52 members)
- Templates (16 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Unattributed files (0 members)
- User groups (13 members)
- Videos (0 members)
- Wiki maintenance (14 members)
- Wiki skin images (6 members)