The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Anime (2 members)
- Article management templates (2 members)
- Article stubs (6 members)
- Blog posts (2 members)
- Browse (15 members)
- Candidates for deletion (9 members)
- Chapters (12 members)
- Characters (22 members)
- Chutiya (1 member)
- Class 2-A (6 members)
- Class 2-B (5 members)
- Disambiguations (0 members)
- Episodes (9 members)
- Females (13 members)
- Files (2 members)
- Forums (6 members)
- French (2 members)
- General wiki templates (1 member)
- Help (3 members)
- Help desk (2 members)
- Hidden categories (1 member)
- High School Students (11 members)
- Image Galleries (9 members)
- Images (2 members)
- Infobox templates (2 members)
- Light Novel (2 members)
- Males (6 members)
- Media (11 members)
- Middle School Students (1 member)
- Music (2 members)
- Navigational templates (1 member)
- Pages using ISBN magic links (3 members)
- Pages with broken file links (2 members)
- People (2 members)
- Quotes (2 members)
- Relationships (10 members)
- Season 1 (11 members)
- Series (4 members)
- Template documentation (32 members)
- Templates (39 members)
- Videos (3 members)
- Volume 1 (4 members)
- Volume 2 (5 members)
- Volume 4 (1 member)
- Volume 5 (1 member)
- Volumes (3 members)
- Watercooler (2 members)