The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 2011 software (1 member)
- A to Z (108 members)
- Adults (19 members)
- All's Well That Ends Well (5 members)
- All's Well That Ends Well Characters (12 members)
- All's Well That Ends Well Items (1 member)
- All's Well That Ends Well Locations (3 members)
- Animated OVA (2 members)
- Animated OVA Characters (3 members)
- Animatics (7 members)
- Animations (1 member)
- Archive (1 member)
- Archived Drafts (12 members)
- Art Books (1 member)
- Article management templates (15 members)
- Article stubs (163 members)
- Articles Missing Citations (59 members)
- Articles That Needs to be Overhauled (8 members)
- Articles in Need for Expansion (81 members)
- Articles in need of Rewrites (51 members)
- Articles missing images (22 members)
- Articles to be renamed (14 members)
- Articles with example code (1 member)
- Artists (6 members)
- Banzai Blasters (4 members)
- Banzai Blasters Former Members (7 members)
- Banzai Blasters Members (3 members)
- Bear Trap (4 members)
- Bear Trap Characters (6 members)
- Bear Trap Locations (3 members)
- Ben (2 members)
- Bliss Ocean (2 members)
- Bliss Ocean Members (4 members)
- Blog posts (6 members)
- Books (6 members)
- Browse (4 members)
- C programming language family (1 member)
- Candidates for deletion (15 members)
- Car Crash (2 members)
- Cast (25 members)
- Character Categories (2 members)
- Characters (85 members)
- Characters by Age (1 member)
- Characters by Appearances (3 members)
- Children (7 members)
- Cities (5 members)
- Comic Dubs (4 members)
- Comment Archive (2 members)
- Commercials (5 members)
- Companies (2 members)