The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Blog posts (0 members)
- Browse (7 members)
- Candidates for deletion (0 members)
- Chapters (2 members)
- Characters (22 members)
- Cities (8 members)
- Cousins (2 members)
- Disambiguations (0 members)
- Europeans (2 members)
- Events (1 member)
- Gordians (1 member)
- Help (0 members)
- Hive (9 members)
- Hiveless (6 members)
- Humanists (5 members)
- Images (2 members)
- Masons (2 members)
- Minors (2 members)
- Mitsubishi (2 members)
- Servicers (1 member)
- Template documentation (26 members)
- Templates (25 members)
- Utopian (1 member)