The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Blog posts (0 members)
- Books (2 members)
- Characters (2 members)
- Culture (3 members)
- Episodes (2 members)
- Events (2 members)
- Faction (4 members)
- General (2 members)
- Items (2 members)
- Literature (2 members)
- Locations (2 members)
- Quests (2 members)
- Space Travel (5 members)
- Spoilers (1 member)
- TOC (12 members)
- Technology (3 members)
- Template documentation (12 members)
- Templates (11 members)
- Templates/Infobox (8 members)
- Templates/Navbox (1 member)