The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Template documentation (13 members)
- Template namespace templates (1 member)
- Templates (4 members)
- Templates using ParserFunctions (5 members)
- Test Roms on GB (0 members)
- Test roms on GB (11 members)
- The Fourth Creation (5 members)
- The GameBoy Competition - Phase II (3 members)
- Theme tools for 3DS (18 members)
- Theme tools for Switch (7 members)
- Title launchers on 3DS (11 members)
- Title launchers on Switch (6 members)
- Title launchers on Vita (8 members)
- Title launchers on Wii U (5 members)
- TodoPSP Homebrew Contest (4 members)
- Trivia Games on GB (0 members)
- Trivia games on 3DS (1 member)
- Trivia games on DS (25 members)
- Trivia games on GB (3 members)
- Trivia games on GBA (1 member)
- Trivia games on PSP (26 members)
- Trivia games on Vita (4 members)
- Typing-aid templates (1 member)
- Utility Applications on GB (0 members)
- Utility applications on 3DS (163 members)
- Utility applications on DS (131 members)
- Utility applications on GB (10 members)
- Utility applications on GBA (15 members)
- Utility applications on PSP (84 members)
- Utility applications on Switch (86 members)
- Utility applications on Vita (84 members)
- Utility applications on Wii U (13 members)
- Utility homebrews on DS (0 members)
- Utility homebrews on GBA (0 members)
- VitaJam2019 (18 members)
- Vita Homebrews (1,588 members)
- Vita game hacks (47 members)
- Vita game translations (80 members)
- Vita hack utilities (6 members)
- Vita homebrew applications (566 members)
- Vita homebrew contests (5 members)
- Vita homebrew emulators (35 members)
- Vita homebrew games (721 members)
- Vita open source homebrew (1,052 members)
- Vita plugins (239 members)
- Vita rom hacks (133 members)
- WiiBrew metatemplates (1 member)
- Wii Homebrews (950 members)
- Wii U Homebrews (263 members)
- Wii U game hacks (1 member)