The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- All articles lacking sources (33 members)
- All articles needing additional references (16 members)
- All articles to be expanded (7 members)
- All articles with empty sections (2 members)
- All articles with unsourced statements (14 members)
- All non-free media (3 members)
- All pages needing cleanup (1 member)
- Animi (4 members)
- Arc 1 (6 members)
- Arc 2 (5 members)
- Arc 3 (5 members)
- Article message templates (5 members)
- Article message templates with missing parameters (2 members)