The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Blog posts (1 member)
- Candidates for deletion (0 members)
- Credits (1 member)
- Disambiguations (0 members)
- Documentation templates (1 member)
- Equipment (16 members)
- General wiki templates (18 members)
- Hatnote templates with errors (0 members)
- Idle Slayer (1 member)
- Idle Slayer Wiki (5 members)
- Image license templates (13 members)
- Images (4 members)
- Infobox templates (14 members)
- Maintenance (5 members)
- Media (2 members)
- Mobile (1 member)
- Navbox templates (1 member)
- Navigation templates (1 member)
- Notice templates (10 members)
- Pages with broken file links (1 member)
- Quote templates (2 members)
- Steam (1 member)
- Stubs (0 members)
- Template documentation (57 members)
- Templates (14 members)
- Unattributed files (0 members)
- Video (0 members)
- Videogames (1 member)