The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Abilities (19 members)
- Artifacts (16 members)
- Biomes (17 members)
- Blocks (112 members)
- Blog posts (2 members)
- Bosses (2 members)
- Browse (8 members)
- Candidates for deletion (0 members)
- Chests (15 members)
- Creeps (5 members)
- Disambiguations (0 members)
- Events (6 members)
- Forums (6 members)
- Gear (156 members)
- General wiki templates (1 member)
- Help (3 members)
- Help desk (2 members)
- Images (0 members)
- Inventory (39 members)
- Liquids (3 members)
- Mechanics (14 members)
- Miscellaneous (23 members)
- Pages with broken file links (3 members)
- Pickaxes (89 members)
- Skill (15 members)
- Template documentation (28 members)
- Templates (28 members)
- Videos (3 members)
- Watercooler (0 members)