The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Albums (2 members)
- All The Devils (1 member)
- Anothermedium (1 member)
- Blog posts (0 members)
- Books (2 members)
- Browse (7 members)
- Candidates for deletion (0 members)
- Characters (2 members)
- Disambiguations (0 members)
- Episodes (98 members)
- Events (2 members)
- Guests (1 member)
- Help (0 members)
- I Hate It Here (1 member)
- Images (2 members)
- Intermission (2 members)
- Items (2 members)
- Locations (2 members)
- People (8 members)
- Perfectly Generic Podcast (40 members)
- Pomeroy (1 member)
- Quests (2 members)
- Shows (7 members)
- Template documentation (28 members)
- Templates (28 members)
- Templates/Infobox (10 members)
- Templates/Navbox (1 member)
- Templates/Quote (1 member)
- The Audible Axis (1 member)
- The Undercut (1 member)