The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Amethyst Gallery (6 members)
- Article management templates (1 member)
- Blog images (29 members)
- Blog posts (39 members)
- Citation templates (1 member)
- Community Events (1 member)
- Community guides (0 members)
- Cubey (6 members)
- Category:Dynamic background (0 members)
- Dynamic background (47 members)
- Events (8 members)
- External link templates (1 member)
- Featured projects (1 member)
- File namespace templates (2 members)
- Formatting and function templates (3 members)
- General wiki templates (8 members)
- Guides (5 members)
- Help (3 members)
- Hidden categories (3 members)
- Infobox templates (1 member)
- Infobox utility templates (1 member)
- Interface message templates (1 member)
- Internal link templates (4 members)
- Locations (4 members)
- Lua-based templates (14 members)
- Lua metamodules (1 member)
- Main page templates (12 members)
- Manual templates (1 member)
- Mathematical function templates (1 member)
- Module documentation (28 members)
- Modules requiring modules (22 members)
- Modules that add a tracking category (1 member)
- Modules using data (2 members)
- Navplates (1 member)
- Official guides (2 members)
- Pages using Tabber parser tag (5 members)
- Pages where the unstrip size limit is exceeded (1 member)
- Pages with a countdown (8 members)
- Pages with a poll (3 members)
- Pages with broken file links (2 members)
- Pages with script errors (4 members)
- Pages with short description (75 members)
- Players (11 members)
- Previous polls (0 members)
- Prism Party community (14 members)
- Prism Party logo (8 members)
- Category:Protected files (6 members)
- Protected files (61 members)
- PvP Events (2 members)
- Pwarp locations (4 members)