The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievements (5 members)
- Area (23 members)
- Blog posts (0 members)
- Browse (8 members)
- Candidates for deletion (0 members)
- Challenges (0 members)
- Characters (9 members)
- Child Program (7 members)
- Creation help (1 member)
- DLC (1 member)
- Disambiguations (0 members)
- Endings (5 members)
- Expansion (0 members)
- Forums (6 members)
- Gameplay (13 members)
- Help (3 members)
- Help desk (2 members)
- Icons (33 members)
- Images (0 members)
- Key Items (6 members)
- Land (7 members)
- Land A (8 members)
- Land B (8 members)
- Land C (10 members)
- Location (13 members)
- Main endings (4 members)
- Maintenance (1 member)
- Messenger (1 member)
- Messenger Island (1 member)
- Pieces of written information (118 members)
- Screenshots (11 members)
- Sigils (3 members)
- Soundtrack (0 members)
- Star Levels (0 members)
- Story (5 members)
- Template:Areas (18 members)
- Template:Icons (36 members)
- Template:Test Redirects (8 members)
- Template documentation (31 members)
- Templates (34 members)
- Time Capsules (8 members)
- Time capsule (2 members)
- Tools (6 members)
- Tower (1 member)
- Videos (4 members)
- Watercooler (2 members)
- Work in Progress (16 members)