The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Adventure Mode (6 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (4 members)
- Community Information (2 members)
- Copyright templates (12 members)
- Core Games (1 member)
- Disambiguations (0 members)
- Documentation templates (59 members)
- Editor Basics (10 members)
- Endless Basics (7 members)
- Formatting templates (23 members)
- Game(Core Genre) (2 members)
- Game editor (1 member)
- Games (0 members)
- Guides (3 members)
- Hidden categories (0 members)
- Images (2 members)
- Images needing improvement (0 members)
- Infobox templates (1 member)
- Legal notices (3 members)
- Media (2 members)
- Navigation templates (3 members)
- Notice templates (15 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (0 members)
- Pages with ignored display titles (1 member)
- Responsive flex templates (9 members)
- Screens (10 members)
- Stubs (6 members)
- Template documentation (3 members)
- Templates (17 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Test (1 member)
- The Endless Mission Wiki (9 members)
- Tutorial (Advanced) (2 members)
- Tutorial (Beginner) (6 members)
- Tutorial (Intermediate) (6 members)
- Unattributed files (0 members)
- User groups (13 members)
- Videos (0 members)
- Wiki maintenance (14 members)
- Wiki skin images (4 members)