The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 1080p HD Screenshots (89 members)
- Adolla Burst Users (10 members)
- Adolla Link Users (9 members)
- Akitaru Obi Images (3 members)
- Alive (63 members)
- Animals (2 members)
- Animated Gifs (2 members)
- Anime (3 members)
- Anime Screenshots (436 members)
- Announcements (1 member)
- Antagonists (44 members)
- Arc Image Required (1 member)
- Arcs (26 members)
- Arthur's Adventure Arc Chapters (4 members)
- Arthur Boyle Images (4 members)
- Article Templates (1 member)
- Article stubs (208 members)
- Asakusa Arc Chapters (13 members)
- Asakusa Arc Episodes (4 members)
- Asakusa Showdown Arc Chapters (10 members)
- Battle of Amaterasu Arc Chapters (11 members)
- Browse (6 members)
- CT Archives (7 members)
- Candidates for Deletion (6 members)
- Candidates for Deletion (No fair use rationale) (4 members)
- Candidates for Deletion (No license metadata) (3 members)
- Candidates for Deletion (Poor filename) (1 member)
- Candidates for Deletion (Unused) (0 members)
- Captains (12 members)
- Chapter Image Required (58 members)
- Chapter Redirects (0 members)
- Chapters (308 members)
- Chapters by Story Arc (25 members)
- Chapters by Volume (30 members)
- Chapters not yet in tankōbon format (40 members)
- Character Infoboxes (118 members)
- Character Screenshots (1 member)
- Characters (115 members)
- Characters by Ability (6 members)
- Characters by Gender (3 members)
- Characters by Group (6 members)
- Characters by Status (3 members)
- Chinese Peninsula Arc Chapters (11 members)
- Chinese Peninsula Arc Episodes (5 members)
- Consensus Track (0 members)
- Copyrighted (1 member)
- Covers (1 member)
- Deceased (12 members)
- Demon (9 members)
- Disambiguations (1 member)