The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- A Year of Rain Wiki (17 members)
- Building images (24 members)
- Buildings (25 members)
- 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)
- Disambiguations (0 members)
- Documentation templates (3 members)
- Faction logos (3 members)
- Factions (3 members)
- Formatting templates (20 members)
- Guides (3 members)
- Hero images (10 members)
- Heroes (11 members)
- Hidden categories (0 members)
- Images (7 members)
- Images needing improvement (0 members)
- Infobox templates (2 members)
- Legal notices (3 members)
- Media (2 members)
- Navigation templates (7 members)
- Notice templates (15 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (1 member)
- Responsive flex templates (9 members)
- Screens (5 members)
- Stubs (70 members)
- Template documentation (61 members)
- Templates (17 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Unattributed files (0 members)
- Unit images (21 members)
- Units (22 members)
- User groups (17 members)
- Videos (0 members)
- Wiki maintenance (14 members)
- Wiki skin images (4 members)