The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Akane Fudo Photos (37 members)
- Appeal Photos (178 members)
- Artists (4 members)
- B-PROJECT (7 members)
- B-PROJECT Wiki (11 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Characters (14 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (5 members)
- Copyright templates (12 members)
- Dance Photos (177 members)
- Disambiguations (0 members)
- Documentation templates (3 members)
- EX Photos (56 members)
- Formatting templates (18 members)
- Front page sections (4 members)
- Game Event (25 members)
- Game News (5 members)
- Goshi Kaneshiro Photos (40 members)
- Guides (2 members)
- Haruhi Teramitsu Photos (39 members)
- Hidden categories (0 members)
- Hikaru Osari Photos (34 members)
- Images (2 members)
- Images copyrighted by MAGES (1,046 members)
- Images needing improvement (0 members)
- Images of Akane Fudo (67 members)
- Images of Goshi Kaneshiro (59 members)
- Images of Haruhi Teramitsu (59 members)
- Images of Haruhi Teramitsu, Mikado Sekimura (1 member)
- Images of Haruhi Teramitsu, Miroku Shingari, Yuta Ashu (1 member)
- Images of Hikaru Osari (56 members)
- Images of Hikaru Osari, Momotaro Onzai, Mikado Sekimura (1 member)
- Images of Kazuna Masunaga (63 members)
- Images of Kento Aizome (68 members)
- Images of Kento Aizome, Goshi Kaneshiro, Yuduki Teramitsu, Akane Fudo (1 member)
- Images of Mikado Sekimura (64 members)
- Images of Miroku Shingari (63 members)
- Images of Momotaro Onzai (57 members)
- Images of Ryuji Korekuni (54 members)
- Images of Tatsuhiro Nome (59 members)
- Images of Tatsuhiro Nome, Yuta Ashu (1 member)
- Images of Tomohisa Kitakado (67 members)
- Images of Tomohisa Kitakado, Kazuna Masunaga, Yuduki Teramitsu, Miroku Shingari (1 member)
- Images of Tomohisa Kitakado, Ryuji Korekuni (1 member)
- Images of Tomohisa Kitakado, Tatsuhiro Nome, Akane Fudo, Miroku Shingari (1 member)
- Images of Tomohisa Kitakado, Yuta Ashu (1 member)
- Images of Yuduki Teramitsu (69 members)