The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Homebrew using libELM (0 members)
- Homebrew using libfat (0 members)
- Homebrew using libwiisprite (0 members)
- Homebrew utility applications on 3DS (0 members)
- Homebrew utility applications on PSP (0 members)
- Horror games on Vita (32 members)
- ITA Winter Developers Contest (11 members)
- Image namespace templates (1 member)
- Infobox Switch homebrew (0 members)
- Infobox homebrew using invalid type parameter (1,058 members)
- Infobox templates (1 member)
- Internal link templates (1 member)
- Interwiki link templates (1 member)
- KyuHEN Homebrew Contest (37 members)
- Lik Sang Coders Competition for Gameboy (15 members)
- Main (2 members)
- Maths Applications on GB (0 members)
- Maths applications on 3DS (8 members)
- Maths applications on DS (22 members)
- Maths applications on GB (2 members)
- Maths applications on GBA (6 members)
- Maths applications on PSP (14 members)
- Maths applications on Switch (5 members)
- Maths applications on Vita (2 members)
- Maths homebrews on DS (0 members)
- Maths homebrews on GBA (0 members)
- Media players on 3DS (16 members)
- Media players on DS (33 members)
- Media players on GBA (11 members)
- Media players on PSP (33 members)
- Media players on Switch (20 members)
- Media players on Vita (10 members)
- Music Applications on GB (0 members)
- Music Disks on GB (0 members)
- Music Games on GB (0 members)
- Music applications on 3DS (3 members)
- Music applications on DS (80 members)
- Music applications on GB (43 members)
- Music applications on GBA (21 members)
- Music applications on PSP (34 members)
- Music applications on Switch (1 member)
- Music applications on Vita (6 members)
- Music applications on Wii U (1 member)
- Music disks on GB (22 members)
- Music games on 3DS (8 members)
- Music games on DS (40 members)
- Music games on GB (8 members)
- Music games on GBA (3 members)
- Music games on PSP (18 members)
- Music games on Switch (10 members)