The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievements (2 members)
- All Construction improvements (18 members)
- Approval improvements (28 members)
- Approval technologies (1 member)
- Artifact colony improvements (0 members)
- Artifact improvements (67 members)
- Artifact technologies (1 member)
- Auxiliary templates (8 members)
- Campaign and scenarios (1 member)
- Candidates for deletion (8 members)
- Candidates for speedy deletion (0 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Colonization technologies (21 members)
- Colonizations technologies (1 member)
- Command Ships (1 member)
- Command ships (2 members)
- Community (5 members)
- Construction technologies (9 members)
- Copyright templates (10 members)
- Crusade Research colony improvements (2 members)
- Culture modules (8 members)
- Disambiguations (0 members)
- Documentation templates (8 members)
- Downloadable content (12 members)
- Economic modules (9 members)
- Entities (2 members)
- Environments (3 members)
- Events (5 members)
- Faction ships (1 member)
- Formatting templates (23 members)
- Galactic Civilizations III (39 members)
- Galactic Civilizations III Approval colony improvements (22 members)
- Galactic Civilizations III Durational Project colony improvements (1 member)
- Galactic Civilizations III Influence colony improvements (21 members)
- Galactic Civilizations III Manufacturing colony improvements (35 members)
- Galactic Civilizations III Military colony improvements (13 members)
- Galactic Civilizations III Population colony improvements (17 members)
- Galactic Civilizations III Research colony improvements (28 members)
- Galactic Civilizations III Special colony improvements (3 members)
- Galactic Civilizations III Terraforming colony improvements (9 members)
- Galactic Civilizations III Tourism colony improvements (4 members)
- Galactic Civilizations III Wealth colony improvements (22 members)
- Galactic Civilizations III Wiki (9 members)
- Galactic Civilizations III Wiki images (5 members)
- Galactic Civilizations III Wiki skin images (7 members)
- Galactic Civilizations III colonization (5 members)
- Galactic Civilizations III colony improvements (13 members)
- Galactic Civilizations III combat (0 members)
- Galactic Civilizations III diplomacy (3 members)