The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Active Raid (4 members)
- Anime (1 member)
- Article stubs (28 members)
- Blog posts (1 member)
- Books (1 member)
- Browse (8 members)
- Candidates for deletion (0 members)
- Characters (28 members)
- Criminals (4 members)
- Disambiguations (0 members)
- Episodes (24 members)
- Female (2 members)
- Females (8 members)
- Groups (2 members)
- Help (0 members)
- Images (2 members)
- Infobox templates (3 members)
- Main Page Templates (4 members)
- Males (12 members)
- Mecha (1 member)
- Media (1 member)
- Music (5 members)
- Navigation Templates (1 member)
- Pages with broken file links (3 members)
- Season 1 Episodes (1 member)
- Template Infobox (1 member)
- Template documentation (26 members)
- Templates (24 members)
- Unit 8 (10 members)
- Unit 9 (1 member)
- Videos (25 members)