The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Characters (0 members)
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- Cleanup (0 members)
- Community (5 members)
- Copyright templates (12 members)
- Disambiguations (0 members)
- Documentation templates (3 members)
- Formatting templates (18 members)
- Front page sections (4 members)
- Guides (3 members)
- Hidden categories (0 members)
- Images (2 members)
- Images needing improvement (0 members)
- Infobox templates (2 members)
- Items (0 members)
- Legal notices (3 members)
- Main Page Template (8 members)
- Media (2 members)
- Navigation templates (3 members)
- Needs Images (1 member)
- Notice templates (14 members)
- Objectives (2 members)
- Pages to be merged (1 member)
- Pages to be moved (0 members)
- Pages with broken file links (0 members)
- Project Winter (2 members)
- Project Winter Wiki (10 members)
- Stubs (6 members)
- Template documentation (47 members)
- Templates (16 members)
- Templates with bad documentation (0 members)
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- Unattributed files (4 members)
- User groups (17 members)
- Videos (0 members)
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- Wiki maintenance (14 members)
- Wiki skin images (3 members)