The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Mountain templates (1 member)
- Multi-column templates (5 members)
- Namespace manipulation templates (1 member)
- Navbox meta-templates (2 members)
- Navboxes using background colours (2 members)
- Navigational boxes without horizontal lists (2 members)
- Nordstettener Eisenbahngesellschaft (3 members)
- Organization infobox templates (1 member)
- Pages using DynamicPageList3 parser function (7 members)
- Pages using Tabber parser tag (1 member)
- Pages using deprecated source tags (10 members)
- Pages using div col with small parameter (1 member)
- Pages using duplicate arguments in template calls (3 members)
- Pages using infobox settlement with missing country (2 members)
- Pages using infobox settlement with no coordinates (1 member)
- Pages using infobox settlement with no map (4 members)
- Pages using infobox station with unknown parameters (3 members)
- Pages using infobox street with Paris-specific parameters (2 members)
- Pages using infobox templates with ignored data cells (2 members)
- Pages using navbox columns without the first column (1 member)
- Pages using xtag template with unsupported tag name (1 member)
- Pages with TemplateStyles errors (2 members)
- Pages with broken file links (6 members)
- Pages with no gauge entered in Infobox rail line (3 members)
- Pages with no open date in Infobox station (1 member)
- Pages with script errors (67 members)
- Pages with short description (17 members)
- Parameter selection templates (1 member)
- Place infobox templates (1 member)
- Placeholder templates (1 member)
- Plot actions (3 members)
- Plot actions against 7766's plots (1 member)
- Plot actions against Linaxda's plots (1 member)
- Plot actions by location (2 members)
- Plot actions by status (3 members)
- Plot actions grouped by tenants (2 members)
- Plot actions in Eastern Area, SmushyVille County (2 members)
- Plot actions in SmushyVille County (1 member)
- Plot actions in Spawn County (1 member)
- Plot actions in Spawn South Area, Spawn County (0 members)
- Plots fixed (0 members)
- Plots taken back (1 member)
- Plots warned (1 member)
- Political party infobox templates (1 member)
- Programming typing-aid templates (1 member)
- Proposals (1 member)
- Public Farms (1 member)
- Public transit (5 members)
- Public transit operators (1 member)
- Quotation templates (2 members)