The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Ajax loaded pages (1 member)
- Armor (1 member)
- Article management templates (1 member)
- Article stubs (0 members)
- Block Entity (2 members)
- Block images (17 members)
- Blocks (98 members)
- BlogListingPage (0 members)
- Blog posts (0 members)
- Bomb images (3 members)
- Bombs (5 members)
- Browse (2 members)
- Bugs (33 members)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (3 members)
- Community (8 members)
- Content (1 member)
- Copyright (0 members)
- Copyright templates (2 members)
- Crafting images (2 members)
- Crop (2 members)
- Crystal (12 members)
- Decoration (1 member)
- Dimension (4 members)
- Dimensions (0 members)
- Disambiguations (0 members)
- Documentation pages (1 member)
- Documentation templates (4 members)
- Effects (1 member)
- Either a Solid or a Null block (1 member)
- Entity (2 members)
- Environment (7 members)
- Files (2 members)
- Fluid (1 member)
- Food (4 members)
- Formatting templates (10 members)
- Forums (6 members)
- Frost Dimension (4 members)
- General wiki templates (32 members)
- Help (12 members)
- Help desk (2 members)
- Hidden categories (3 members)
- Hostile (2 members)
- Hostile Mobs (2 members)
- IDT Mod (35 members)
- IDT Mod Wiki (5 members)
- Image templates (3 members)
- Image wiki templates (9 members)
- Images (22 members)