The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievement icons (62 members)
- Achievements (1 member)
- Advanced alchemy resources (12 members)
- Alchemy (84 members)
- Alchemy Products (1 member)
- Alchemy icons (38 members)
- Alchemy lab workstations (18 members)
- Alchemy products (33 members)
- Animal icons (31 members)
- Animated gifs (18 members)
- Apiary workstations (2 members)
- Armor (2 members)
- Bags (3 members)
- Basic alchemy resources (24 members)
- Better Save Soul (43 members)
- Better Save Soul quest items (5 members)
- Beverages (10 members)
- Blueprint icons (240 members)
- Body parts (12 members)
- Book icons (30 members)
- Breaking Dead (8 members)
- Cabin in the woods workstations (8 members)
- Candidates for deletion (28 members)
- Candidates for speedy deletion (0 members)
- Category templates (1 member)
- Cellar workstations (12 members)
- Church items (18 members)
- Church workstations (15 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (5 members)
- Consumable items (84 members)
- Copyright templates (12 members)
- Copyrighted images (0 members)
- Creamatorium workstations (2 members)
- Crops (10 members)
- DLC (5 members)
- Day icons (6 members)
- Decomposable items (20 members)
- Desserts (11 members)
- Disambiguations (0 members)
- Documentation templates (6 members)
- Effect icons (38 members)
- Effect items (30 members)
- Embalming injections (9 members)
- Equipment (25 members)
- Farming items (32 members)
- Fertilizer (6 members)
- Fish (5 members)
- Food (82 members)