The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Boss (1 member)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Characters (5 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (4 members)
- Copyright templates (12 members)
- Customization (1 member)
- Developers (1 member)
- Disambiguations (0 members)
- Documentation templates (3 members)
- Enemies (2 members)
- Equipment (1 member)
- Features (1 member)
- Formatting templates (22 members)
- Front page sections (3 members)
- Game (1 member)
- Game modes (1 member)
- Gameplay (1 member)
- Guides (1 member)
- Hidden categories (0 members)
- Images (9 members)
- Images needing improvement (0 members)
- Infobox templates (2 members)
- Legal notices (3 members)
- Maps (1 member)
- Media (2 members)
- Notice templates (13 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (0 members)
- Pets (1 member)
- Player (1 member)
- Screenshots (13 members)
- Strategy (1 member)
- Stubs (22 members)
- Template documentation (47 members)
- Templates (17 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Test Wiki (0 members)
- Unattributed files (0 members)
- User groups (12 members)
- Videos (0 members)
- Weapons (1 member)
- Wiki maintenance (14 members)
- Wiki pages (0 members)
- Wiki skin images (5 members)
- Zombie Party (13 members)