The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- About (11 members)
- Ami Kurimoto (7 members)
- Art (3 members)
- Article management templates (4 members)
- Article stubs (0 members)
- Battle Robot (3 members)
- Blog posts (0 members)
- Bottom bar templates (7 members)
- Box Art (12 members)
- Box Set (2 members)
- Browse (4 members)
- CD Art (1 member)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (3 members)
- Character (1 member)
- Characters (35 members)
- Chiyo Momonari (2 members)
- Community (6 members)
- Content (7 members)
- Copyright (2 members)
- Cover Art (5 members)
- Crossfire (10 members)
- DNA2 (11 members)
- DVD Features (5 members)
- DVDs (16 members)
- Disambiguations (7 members)
- Epiphany (13 members)
- Episodes (17 members)
- Forums (6 members)
- General wiki templates (31 members)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (1 member)
- Homepage templates (8 members)
- Ichigo Ichikawa (2 members)
- Image wiki templates (9 members)
- Images (63 members)
- Infobox templates (10 members)
- Junta Momonari (13 members)
- Kakimaro Someya (2 members)
- Karin Aoi (11 members)
- Kazou Kurimoto (2 members)
- Kotomi Takanashi (7 members)
- Lulara Kawasaki (2 members)
- Main Sections (5 members)
- Manga (15 members)
- Manga Volume 1 (2 members)
- Manga Volume 2 (2 members)
- Manga Volume 3 (2 members)
- Manga Volume 4 (2 members)
- Manga Volume 5 (2 members)
- Media (7 members)
- Mega-Playboy (3 members)
- Metamorphosis (16 members)
- Minor (1 member)
- Miscellaneous (2 members)
- Month templates (12 members)
- Mori (2 members)
- Multimedia (7 members)
- Music (2 members)
- Mutation (11 members)
- New pages (0 members)
- OST (1 member)
- OVA (4 members)
- Objetos (1 member)
- Oharu (2 members)
- One-Time Characters (1 member)
- Organisation (0 members)
- Organization (8 members)
- PDF (1 member)
- Pages proposed for deletion (0 members)
- Pages with broken file links (1 member)
- Photos (1 member)
- Policy (2 members)
- Press and Reviews (6 members)
- References (1 member)
- Ryuuji Sugashita (6 members)
- Screenshot (30 members)
- Simgirls (1 member)
- Site administration (4 members)
- Site maintenance (4 members)
- Sounds (2 members)
- Template documentation (62 members)
- Templates (40 members)
- Thumbnail (36 members)
- Tomoko Saeki (17 members)
- Turbulence (11 members)
- Videos (2 members)
- Watercooler (2 members)
- Yokomori (2 members)