The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Album (2 members)
- Article stubs (54 members)
- Articles with sections needing expansion (0 members)
- Blog posts (0 members)
- Browse (6 members)
- Candidates for deletion (0 members)
- Character galleries (26 members)
- Character plots (1 member)
- Characters (32 members)
- Characters by specificity (18 members)
- Characters of an unknown sign (7 members)
- Characters of the sign Aquarius (1 member)
- Characters of the sign Aries (4 members)
- Characters of the sign Cancer (3 members)
- Characters of the sign Capricorn (1 member)
- Characters of the sign Gemini (1 member)
- Characters of the sign Leo (2 members)
- Characters of the sign Libra (1 member)
- Characters of the sign Pisces (1 member)
- Characters of the sign Sagittarius (1 member)
- Characters of the sign Scorpio (1 member)
- Characters of the sign Taurus (2 members)
- Characters of the sign Virgo (3 members)
- Contactees (2 members)
- Content (4 members)
- Cyber Force Dolls (4 members)
- Disambiguations (0 members)
- Events (1 member)
- Fandom Images (52 members)
- Files (2 members)
- GAI Organization (0 members)
- Hackers (5 members)
- Help (1 member)
- Hidden categories (5 members)
- Images (447 members)
- Interviews (1 member)
- Items (5 members)
- Locations (2 members)
- Mainpage templates (9 members)
- Maintenance (11 members)
- Management (0 members)
- Media (4 members)
- Missing sources (108 members)
- Music (5 members)
- Nakano Symphonies (2 members)
- Organizations (7 members)
- Pages with broken file links (1 member)
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- Pages with script errors (0 members)
- Searching higher resolutions (110 members)