The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- It-5 (0 members)
- Ja (0 members)
- Ja-1 (0 members)
- Lua-based templates (3 members)
- Nintendo 3DS (7 members)
- Nintendo 3DS games (10 members)
- Nintendo 3DS guides (94 members)
- Nintendo 3DS homebrew (48 members)
- Nintendo 3DS information (21 members)
- Nintendo 3DS troubleshooting (23 members)
- Nintendo Switch (5 members)
- Nintendo Switch games (1 member)
- Nintendo Switch guides (2 members)
- Nintendo Switch homebrew (4 members)
- Nintendo Switch information (2 members)
- Outdated software (6 members)
- PC software (2 members)
- Page translators (1 member)
- Pages that may need updating (0 members)
- Pages using DynamicPageList3 parser function (1 member)
- Pages using Tabber parser tag (83 members)
- Pages with broken file links (1 member)
- Pages with ignored display titles (2 members)
- Pages with incorrect template use (0 members)
- Pages with script errors (26 members)
- Pages with short description (18 members)
- Pages with syntax highlighting errors (1 member)
- Pl (0 members)
- Pl-N (0 members)
- Pokémon (8 members)
- Software without a release date set (7 members)
- Software without a version set (5 members)
- Stubs (2 members)
- Talk message boxes (1 member)
- Templates using TemplateStyles (4 members)
- Templates using TemplateStyles without padlocks (1 member)
- Unbricking (14 members)
- Wii (4 members)
- Wii Homebrew (1 member)
- Wii U (4 members)
- Wii U games (4 members)
- Wii U guides (8 members)
- Wii U homebrew (12 members)
- Wii U information (0 members)
- Wii games (5 members)
- Wii guides (14 members)
- Wii homebrew (17 members)
- Wii information (1 member)
- Wikipedia fully protected templates (2 members)
- Work-in-progress pages (44 members)