The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Black Market images (29 members)
- Bosses (7 members)
- Candidates for deletion (2 members)
- Candidates for speedy deletion (0 members)
- Character images (19 members)
- Characters (14 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (4 members)
- Copyright templates (10 members)
- Curse images (16 members)
- Disambiguations (0 members)
- Documentation templates (48 members)
- Enemies (1 member)
- Enemy images (49 members)
- Equipment (4 members)
- Flinthook (23 members)
- Flinthook Wiki (9 members)
- Formatting templates (21 members)
- Front page sections (6 members)
- Gameplay (1 member)
- Images (16 members)
- Images needing improvement (0 members)
- Infobox templates (1 member)
- Items (1 member)
- Legal notices (3 members)
- Loot (1 member)
- Loot images (1 member)
- Lore (9 members)
- Lore images (8 members)
- Media (2 members)
- Minimap images (6 members)
- Modifier images (26 members)
- Modifiers (4 members)
- Notice templates (13 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (2 members)
- Perk images (96 members)
- Pirate spaceships (3 members)
- Relic images (30 members)
- Relics (30 members)
- Rooms (3 members)
- Screenshots (15 members)
- Siren's upgrade images (6 members)
- Spaceship images (14 members)
- Stubs (29 members)
- Templates (17 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)