The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Article management templates (4 members)
- Article stubs (4 members)
- BlogListingPage (0 members)
- Blog posts (2 members)
- Bonus (26 members)
- Browse (3 members)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (3 members)
- Changelog (2 members)
- Class (12 members)
- Community (6 members)
- Concepts (29 members)
- Content (1 member)
- Copyright (0 members)
- Disambiguations (0 members)
- Engines (68 members)
- Era1 (1 member)
- Files (2 members)
- Forums (6 members)
- Game mode (8 members)
- General wiki templates (37 members)
- Goods (1 member)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (3 members)
- Image wiki templates (9 members)
- Images (3 members)
- Infobox templates (13 members)
- Menu (1 member)
- New pages (0 members)
- Organisation (0 members)
- Organization (9 members)
- Pages proposed for deletion (0 members)
- Pages using duplicate arguments in template calls (1 member)
- Pages with broken file link (0 members)
- Pages with broken file links (2 members)
- Passenger (25 members)
- Policy (2 members)
- Site administration (5 members)
- Site maintenance (5 members)
- Template documentation (68 members)
- Templates (10 members)
- Train station buildings (11 members)
- Videos (0 members)
- Wagons (1 member)
- Watercooler (2 members)