The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- All article disambiguation pages (5 members)
- All disambiguation pages (7 members)
- Animal Crossing (1 member)
- Ar-0 (0 members)
- Article message templates (1 member)
- Article message templates with missing parameters (4 members)
- Articles using small message boxes (2 members)
- Articles with short description (1 member)
- Babel - Users by language (28 members)
- Da-0 (0 members)
- De (1 member)
- De-1 (1 member)
- En (3 members)
- En-2 (0 members)
- En-3 (1 member)
- En-N (2 members)
- Es (1 member)
- Es-1 (1 member)
- Es-2 (0 members)
- Es-3 (0 members)
- Es-4 (0 members)
- File message boxes (2 members)
- Fr (0 members)
- Fr-4 (0 members)
- General guides (14 members)
- He (0 members)
- He-2 (0 members)
- He-N (0 members)
- Hidden categories (18 members)
- Hu (1 member)
- Hu-N (1 member)
- Imported from hacks.guide (10 members)
- It (0 members)
- It-5 (0 members)
- Ja (1 member)
- Ja-1 (1 member)
- Lua-based templates (3 members)
- Nintendo 3DS (5 members)
- Nintendo 3DS games (11 members)
- Nintendo 3DS guides (58 members)
- Nintendo 3DS homebrew (24 members)
- Nintendo 3DS information (14 members)
- Nintendo Switch (3 members)
- Nintendo Switch guides (1 member)
- Nintendo Switch homebrew (1 member)
- Nintendo Switch information (2 members)
- Outdated software (5 members)
- Page translators (1 member)
- Pages that may need updating (3 members)
- Pages using DynamicPageList3 parser function (1 member)