The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Archive (14 members)
- Articles (0 members)
- Attributes (0 members)
- Building (11 members)
- Candidates for deletion (12 members)
- Candidates for speedy deletion (0 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Combat (1 member)
- Community (8 members)
- Concept Image (48 members)
- Constructs (1 member)
- Copyright templates (10 members)
- Disambiguations (0 members)
- Documentation templates (55 members)
- Dual Universe (10 members)
- Dual Universe Wiki (8 members)
- Economy (6 members)
- Element (19 members)
- Equipment (0 members)
- Fan fiction (2 members)
- Formatting templates (21 members)
- Front page sections (8 members)
- Gallery (0 members)
- Game Menu (1 member)
- Gear (6 members)
- General wiki templates (1 member)
- Guide (1 member)
- Help (1 member)
- Images (9 members)
- Images needing improvement (0 members)
- Industrial Unit (2 members)
- Infobox templates (5 members)
- Interview (3 members)
- Items (1 member)
- LUA (1 member)
- Legal notices (3 members)
- License templates (8 members)
- Lore (4 members)
- Mechanic (18 members)
- Metals (1 member)
- Nav templates (3 members)
- Notice templates (16 members)
- Organizations (0 members)
- Orientation (0 members)
- PVP (2 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (2 members)
- Pages with syntax highlighting errors (1 member)