The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Area damage weapons (13 members)
- Battle Bay (11 members)
- Battle Bay Wiki (10 members)
- Beginner maps (4 members)
- Blue slot items (7 members)
- Candidates for deletion (3 members)
- Candidates for speedy deletion (1 member)
- Cannons (4 members)
- Character images (10 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (4 members)
- Copyright templates (10 members)
- Crew members (10 members)
- Disambiguations (0 members)
- Documentation templates (54 members)
- Formatting templates (22 members)
- Freezing items (2 members)
- Front page images (27 members)
- Front page sections (3 members)
- Green slot items (5 members)
- Hidden categories (0 members)
- Images (9 members)
- Images needing improvement (1 member)
- Incendiary weapons (3 members)
- Infobox templates (5 members)
- Infoboxes lacking images (16 members)
- Item icons (30 members)
- Items (3 members)
- Items by classification (10 members)
- Items by slot color (5 members)
- Legal notices (3 members)
- Map images (14 members)
- Maps (16 members)
- Media (2 members)
- Minimaps (10 members)
- Missiles (2 members)
- Mortars (4 members)
- Navigation templates (6 members)
- Notice templates (13 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (2 members)
- Point damage weapons (6 members)
- Red slot items (23 members)
- Repairing items (7 members)
- Shields (2 members)
- Ship icons (32 members)
- Ships (8 members)
- Stubs (66 members)