The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Rail modules (2 members)
- Rail routemap templates (2 members)
- Rail transport infobox templates (5 members)
- Rail transport succession modules (1 member)
- Rail transport templates (1 member)
- Railroad Projects (1 member)
- Railway station infobox templates (1 member)
- Redirect formatting templates (1 member)
- Redirect templates (1 member)
- Restaurants (1 member)
- Section and anchor link formatting templates (1 member)
- Semantic markup templates (1 member)
- Services operated by the NEG (2 members)
- Set index article templates (1 member)
- Shops (2 members)
- Sorting templates (3 members)
- Soundtrack Albums (2 members)
- Soundtracks (12 members)
- Soundtracks by Album (1 member)
- Soundtracks by Artist (1 member)
- Soundtracks by John Oestmann (8 members)
- Soundtracks by Location (1 member)
- Soundtracks played on Spawn Island (1 member)
- Soundworlds Histories: Chasing the Leviathan Soundtracks (8 members)
- Stations (19 members)
- Stations along the Nordstetten LRT line 1 (3 members)
- Stations along the Nordstetten LRT line 2 (1 member)
- Stations by Location (2 members)
- Stations by Network (1 member)
- Stations by Operator (1 member)
- Stations by Type (2 members)
- Stations in Luciopoli (1 member)
- Stations in the Nordstetten LRT network (2 members)
- Stations on Spawn Island (1 member)
- Stations operated by the NEG (2 members)
- Streets in Nordstetten (1 member)
- String manipulation templates (2 members)
- Subtemplates of Template Convinfobox (10 members)
- Talk message boxes (1 member)
- Talk namespace templates (1 member)
- Technic Stations (1 member)
- Template:Template category with no topic or description (1 member)
- Template documentation (1 member)
- Template documentation pages (236 members)
- Template metamodules (1 member)
- Template namespace templates (4 members)
- Template stylesheets (1 member)
- Templates (1 member)
- Templates generating hCards (1 member)
- Templates generating hCards and Geo (7 members)