The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Actors (12 members)
- Africa Locations (12 members)
- African Characters (8 members)
- Alaska Images (0 members)
- Allies (94 members)
- Amanda Images (2 members)
- Amelia Croft Images (0 members)
- American Characters (27 members)
- American Locations (24 members)
- Amulet of Power (9 members)
- Amulet of Power Characters (3 members)
- Andaman Sea Images (0 members)
- Animals (99 members)
- Animations (3 members)
- Antarctica Images (0 members)
- Archaeologists (14 members)
- Arctic Images (0 members)
- Artefact Images (0 members)
- Artefacts (111 members)
- Article management templates (50 members)
- Artists (1 member)
- Artwork (38 members)
- Asia Locations (21 members)
- Asian Characters (3 members)
- Atlanteans (18 members)
- Australian Characters (5 members)
- Austrian Characters (3 members)
- Bbvvcccvc (1 member)
- Birds (15 members)
- Blog posts (44 members)
- Board Games (1 member)
- Bolivia Images (0 members)
- Bosses (74 members)
- British Characters (2 members)
- Butlers (6 members)
- Cambodia Images (0 members)
- Candidates for deletion (1 member)
- Canine (5 members)
- Characters (749 members)
- China (0 members)
- China Images (0 members)
- Chinese Characters (10 members)
- Citation templates (1 member)
- Classics (5 members)
- Collapse templates (3 members)
- Collectible Card Game (13 members)
- Collectibles (69 members)
- Comic Characters (116 members)
- Comics (31 members)
- Content (51 members)