The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 4-Player (3 members)
- Albums (2 members)
- Blog posts (0 members)
- Books (2 members)
- Browse (7 members)
- Candidates for deletion (0 members)
- Characters (2 members)
- Co-Star (7 members)
- Co-op (8 members)
- Disambiguations (0 members)
- Event (2 members)
- Guests (7 members)
- Help (0 members)
- Images (2 members)
- Items (2 members)
- Locations (2 members)
- Other (2 members)
- People (4 members)
- Quests (3 members)
- Series (2 members)
- Show (2 members)
- Streams (1 member)
- Template documentation (24 members)
- Templates (25 members)
- Templates/Infobox (6 members)
- Templates/Navbox (1 member)
- Templates/Quote (1 member)
- Tournament (1 member)
- Versus (18 members)