The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Animal (1 member)
- Antagonists (1 member)
- Blog posts (1 member)
- Books (1 member)
- Browse (8 members)
- Candidates for deletion (0 members)
- Characters (11 members)
- Cyberbeings (2 members)
- Cybermessengers (14 members)
- Cyberspace (2 members)
- Disambiguations (0 members)
- Drywell (1 member)
- Entities (1 member)
- Episodes (53 members)
- Expo 2000 (4 members)
- Forums (6 members)
- Ga-Zonk (1 member)
- Galleries (7 members)
- Games (1 member)
- Help (3 members)
- Help desk (2 members)
- Humans (4 members)
- I Ate Something! (2 members)
- Images (0 members)
- Introduction (1 member)
- Location (2 members)
- Locations (1 member)
- Merchandise (1 member)
- Navbox templates (1 member)
- Notices (1 member)
- Nuisances (3 members)
- Pages with broken file links (1 member)
- Real Worlder (1 member)
- Real Worlders (2 members)
- Resources (6 members)
- Robots (1 member)
- Running Gags (1 member)
- Screenshots (1 member)
- Series (3 members)
- Simple English (5 members)
- Songs (1 member)
- Template documentation (32 members)
- Templates (30 members)
- Transcripts (1 member)
- Twipsy (62 members)
- Videos (12 members)
- Watercooler (2 members)
- Zeeto (1 member)
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