The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 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)
- Music games on Vita (7 members)
- Music games on Xbox (1 member)
- Music homebrews on DS (0 members)
- Music homebrews on GBA (0 members)
- Music homebrews on PSP (0 members)
- NDSHB.com WiFi Game Competition (4 members)
- NDS Homebrew Application (0 members)
- NEO Coding Compo 2005 (32 members)
- NEO Retro Coding Compo 2010 (48 members)
- NEO Retro Coding Compo 2011 (18 members)
- NEO Retro Coding Compo 2012 (23 members)
- NEO Retro Coding Compo 2013 (16 members)