The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- About us (2 members)
- Basics (13 members)
- Blog posts (10 members)
- Browse (8 members)
- Candidates for deletion (0 members)
- Categories (11 members)
- Demography (11 members)
- Disambiguations (0 members)
- Forums (6 members)
- Grid Sectors (71 members)
- Grid structures (348 members)
- Help (3 members)
- Help desk (2 members)
- Images (0 members)
- Introduction (1 member)
- Lists (9 members)
- Orientation (3 members)
- Pages with broken file links (150 members)
- Sub - Structures (16 members)
- Template documentation (28 members)
- Templates (29 members)
- Transportation (11 members)
- Videos (4 members)
- Watercooler (2 members)