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)
- Browse (4 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Cargo (Extreme Trucker 2) (4 members)
- Cargo Yungas Road (4 members)
- Category templates (4 members)
- City Australian Outback (9 members)
- City Extreme Trucker (18 members)
- City Extreme Trucker 2 (24 members)
- City Tuktoyaktuk Winter Road (7 members)
- City Yungas Road (8 members)
- Community (5 members)
- Companies (1 member)
- Content (1 member)
- Copyright (1 member)
- Disambiguations (0 members)
- Files (1 member)
- Forums (6 members)
- Games (5 members)
- General wiki templates (33 members)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (1 member)
- Image wiki templates (9 members)
- Images (6 members)
- Infobox templates (8 members)
- Location (Extreme Trucker) (3 members)
- Location (Extreme Trucker 2) (5 members)
- Montana (1 member)
- Organisation (1 member)
- Organization (8 members)
- Pages proposed for deletion (0 members)
- Pages with broken file links (0 members)
- Policy (2 members)
- Screenshots (0 members)
- Site administration (4 members)
- Site maintenance (4 members)
- Template documentation (57 members)
- Templates (7 members)
- Trucks (15 members)
- Videos (2 members)
- Watercooler (2 members)
- Yungas (1 member)