The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Advanced Crafting Device (1 member)
- Advanced Fertiliser (1 member)
- Advanced Lock (1 member)
- Aggressive mobs (1 member)
- Alloy Gear (32 members)
- Alloys (21 members)
- Amethyst Industry (17 members)
- Ancient Resources (12 members)
- Augmentation (2 members)
- Augments (3 members)
- Axe Tool (16 members)
- Bag of Bombs (15 members)
- Bag of Farming Bulbs (3 members)
- Bag of Farming Seeds (7 members)
- Basic Fertiliser (1 member)
- Basic Gear (21 members)
- Basic Tool (1 member)
- Beacon (2 members)
- Beacon Editing Tool (2 members)
- Beacon Fuel (1 member)
- Beacon Tool (0 members)
- Beacons and Beacon Fuels (6 members)
- Beams (12 members)
- Blocks (19 members)
- Bomb Augments (12 members)
- Boon Icons (1 member)
- Boons (1 member)
- Boulder (6 members)
- Boulder Drop (1 member)
- Boulder Drops (1 member)
- Boundless (26 members)
- Boundless Wiki (7 members)
- Brew (12 members)
- Brews (55 members)
- Buffs and Effects (1 member)
- Building (0 members)
- Buildings (1 member)
- Candidates for deletion (10 members)
- Candidates for speedy deletion (0 members)
- Centraforge Bases (5 members)
- Centraforge Catalysts (1 member)
- Centraforge Compounds (13 members)
- Centraforge Gums (9 members)
- Centraforge Ingredients (8 members)
- Centraforge Pastes (10 members)
- Centraforge Resins (4 members)
- Centraforge Solvents (2 members)
- Character (9 members)
- Characters (0 members)
- Chisel Tool (12 members)