The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (5 members)
- Copyright templates (12 members)
- Customizations (1 member)
- Disambiguations (0 members)
- Documentation templates (3 members)
- Enemies (40 members)
- Formatting templates (22 members)
- Front page sections (3 members)
- Guides (3 members)
- Hidden categories (10 members)
- Icon templates (3 members)
- Images (3 members)
- Images needing improvement (0 members)
- Infobox templates (9 members)
- 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 (7 members)
- Responsive flex templates (11 members)
- Screens (13 members)
- Starlost Wiki (13 members)
- Stubs (2 members)
- Template documentation (61 members)
- Templates (22 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Turrets (45 members)
- Unattributed files (0 members)
- Upgrades (43 members)
- User groups (17 members)
- Videos (0 members)
- Warfare (1 member)
- Wiki maintenance (14 members)
- Wiki skin images (5 members)