The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Atari 2600 (17 members)
- Blog posts (0 members)
- Browse (8 members)
- Candidates for deletion (1 member)
- Colecovision (2 members)
- Disambiguations (0 members)
- Forums (6 members)
- GBC (1 member)
- Gamecube (3 members)
- General wiki templates (1 member)
- Genesis (1 member)
- Gibberish (1 member)
- Help (3 members)
- Help desk (2 members)
- Images (0 members)
- Intellivision (1 member)
- Miscellaneous (1 member)
- N64 (5 members)
- NES (19 members)
- NWC1990 (3 members)
- PC (1 member)
- Pages with broken file links (1 member)
- SNES (2 members)
- Sega Master (1 member)
- Sega Saturn (3 members)
- Template documentation (28 members)
- Templates (28 members)
- Videos (5 members)
- Virtual Boy (1 member)
- Watercooler (2 members)