The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievement Icons (34 members)
- Achievement icons (ES2) (38 members)
- Active devices (20 members)
- Ancient images (9 members)
- Ancient images (ES2) (0 members)
- Articles needing images (3 members)
- Backer items (ES2) (7 members)
- Boosters (ES2) (9 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Cargo Units (ES2) (7 members)
- Categories with content (6 members)
- Ceto images (ES2) (145 members)
- Ceto locations (ES2) (30 members)
- Challenges (ES2) (4 members)
- Character images (35 members)
- Character images (ES2) (48 members)
- Characters (14 members)
- Characters (ES2) (5 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Codex images (24 members)
- Colonial images (ES2) (1 member)
- Commodity icons (ES2) (12 members)
- Community (4 members)
- Community challenge images (ES2) (7 members)
- Component icons (ES2) (25 members)
- Concept Art (ES2) (57 members)
- Concept art (27 members)
- Condition icons (ES2) (62 members)
- Consumable icons (ES2) (14 members)
- Consumables (22 members)
- Consumables (ES2) (1 member)
- Copyright templates (10 members)
- Corporations (18 members)
- Creature images (ES2) (1 member)
- Creatures (ES2) (1 member)
- Deluxe Edition DLC (2 members)
- Device icons (ES2) (14 members)
- Devices (2 members)
- Devices (ES2) (3 members)
- Disambiguations (4 members)
- Documentation templates (105 members)
- Drake images (ES2) (16 members)
- Drake locations (ES2) (16 members)
- Encounters (43 members)
- Enemies (ES2) (2 members)
- Energy Cores (ES2) (11 members)
- Enhancements (2 members)
- Equipment (109 members)