The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Article Stubs (15 members)
- Blog posts (2 members)
- Candidates for deletion (0 members)
- Characters (3 members)
- Community (1 member)
- Courses (1 member)
- Covers (18 members)
- Disambiguations (0 members)
- Documentation templates (1 member)
- Galleries (3 members)
- Game Series (1 member)
- Games (32 members)
- General wiki templates (18 members)
- Hatnote templates with errors (0 members)
- Image license templates (13 members)
- Images (4 members)
- Infobox templates (13 members)
- Locations (4 members)
- Maintenance (5 members)
- Mario & Sonic Games (2 members)
- Mario Baseball (4 members)
- Mario Golf (5 members)
- Mario Kart (7 members)
- Mario Party (15 members)
- Mario Strikers (4 members)
- Mario Tennis (5 members)
- Media (2 members)
- Navbox templates (1 member)
- Navigation (19 members)
- Non-Playable Appearances (8 members)
- Notice templates (10 members)
- Pages with script errors (20 members)
- Quote templates (2 members)
- Real People (2 members)
- Sports Games (8 members)
- Stubs (0 members)
- Super Smash Bros. (7 members)
- Template documentation (56 members)
- Templates (11 members)
- The Princess Daisy Encyclopedia Wiki (5 members)
- Unattributed files (0 members)
- Unlockable Appearances (1 member)
- Upcoming (1 member)
- Video (0 members)
- Voice Actresses (1 member)