The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Organization (1 member)
- Ourea Sector (3 members)
- Ourea Station (6 members)
- Ourea Station Tour (3 members)
- PC (4 members)
- Pages using Tabber parser tag (1 member)
- Pages with broken file links (5 members)
- Parallels (2 members)
- Personnel (2 members)
- Planets (2 members)
- Point of Interest (1 member)
- Posts (8 members)
- Ranks (4 members)
- Ravagers (0 members)
- Science Vessels (1 member)
- Scout (1 member)
- Shielding Systems (1 member)
- Ship Classes (16 members)
- Space Craft Structures (1 member)
- Species (10 members)