The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Abyssion, The Forgotten One AI NPCs (0 members)
- Accessor items (1 member)
- Accessory items (245 members)
- Ammunition items (28 members)
- Aquaius, the Endless Tide AI NPCs (1 member)
- Aquatic Depths NPCs (22 members)
- Aquatic NPCs (25 members)
- Armor items (72 members)
- Armor sets (66 members)
- Arrows (8 members)
- Article info requests (0 members)
- Article management templates (7 members)
- Article stubs (10 members)
- Audio files (12 members)
- Axes (14 members)
- Background object items (6 members)
- Banner templates (7 members)
- Bar items (1 member)
- Bard (1 member)
- Bard items (157 members)
- Barrier AI NPCs (2 members)
- Bat AI NPCs (24 members)
- Biome Mimic AI NPCs (1 member)
- Biome backgrounds (2 members)
- Biome banners (2 members)
- Bizzare Rock Formation AI NPCs (1 member)
- Blister Pod AI NPCs (1 member)
- Block items (41 members)
- Blood Chamber NPCs (2 members)
- Blood Moon NPCs (10 members)
- Boomerangs (13 members)
- Borean Strider AI NPCs (2 members)
- Boss NPCs (19 members)
- Bows (36 members)
- Brass instruments (23 members)
- Buff images (286 members)
- Buffs (21 members)
- Bullets (1 member)
- Buried Champion AI NPCs (2 members)
- Burrowing Enemy NPCs (4 members)
- Candidates for deletion (72 members)
- Cavern NPCs (9 members)
- Chainsaws (6 members)
- Christmas (3 members)
- Classes (3 members)
- Coin Bag Mimic AI NPCs (1 member)
- Community (4 members)
- Consumable items (318 members)
- Contract images (20 members)
- Copyright templates (17 members)