The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- GB Online Emulator (2 members)
- GB Open Source Homebrew (455 members)
- GameBrew formatting and function templates (1 member)
- GameBrew metatemplates (3 members)
- Game Engine on Xbox (1 member)
- Game Engines on 3DS (0 members)
- Game Engines on PSP (21 members)
- Game engines on 3DS (6 members)
- Game engines on DS (11 members)
- Game jams and coding competitions (52 members)
- General wiki templates (2 members)
- Handheld Emulator on 3DS (0 members)
- Handheld Emulators on 3DS (0 members)
- Handheld Emulators on GBA (17 members)
- Handheld Emulators on PSP (35 members)
- Handheld Emulators on Xbox (10 members)
- Handheld emulators on 3DS (15 members)
- Handheld emulators on DS (23 members)
- Hidden categories (1 member)
- Homebrew 3DS game hacks (0 members)
- Homebrew 3DS game translations (0 members)
- Homebrew DS game hacks (0 members)
- Homebrew DS game translations (0 members)
- Homebrew GBA game hacks (0 members)
- Homebrew GBA game translations (0 members)
- Homebrew PSP game hacks (0 members)
- Homebrew PSP game translations (0 members)
- Homebrew action games on 3DS (0 members)
- Homebrew action games on DS (0 members)
- Homebrew action games on GBA (0 members)
- Homebrew action games on PSP (0 members)
- Homebrew adventure games on 3DS (0 members)
- Homebrew adventure games on DS (0 members)
- Homebrew adventure games on GBA (0 members)
- Homebrew adventure games on PSP (0 members)
- Homebrew applications by library (5 members)
- Homebrew applications by type (1 member)
- Homebrew arcade emulator on 3DS (0 members)
- Homebrew arcade emulators on DS (0 members)
- Homebrew arcade emulators on GBA (0 members)
- Homebrew arcade emulators on PSP (0 members)
- Homebrew arcade games on 3DS (0 members)
- Homebrew arcade games on DS (0 members)
- Homebrew arcade games on GBA (0 members)
- Homebrew board games on 3DS (0 members)
- Homebrew board games on DS (0 members)
- Homebrew board games on GBA (0 members)
- Homebrew board games on PSP (0 members)
- Homebrew card games on 3DS (0 members)
- Homebrew card games on DS (0 members)