The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievement images (24 members)
- Achievements (26 members)
- Campaign (2 members)
- Campaign levels (25 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (4 members)
- Copyright templates (10 members)
- Crystals (4 members)
- Developers (1 member)
- Disambiguations (0 members)
- Documentation templates (48 members)
- Enemies (4 members)
- FORCED Wiki (5 members)
- Forced (11 members)
- Forced Wiki (1 member)
- Formatting templates (21 members)
- Game modes (4 members)
- Guardians (5 members)
- Hidden categories (0 members)
- Images (3 members)
- Images needing improvement (0 members)
- Infobox templates (2 members)
- Items (2 members)
- Legal notices (3 members)
- Locations (2 members)
- Media (2 members)
- Notice templates (13 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (0 members)
- Screenshots (20 members)
- Stubs (3 members)
- Templates (15 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Test Wiki (0 members)
- Unattributed files (0 members)
- User groups (12 members)
- Videos (0 members)
- Weapons (5 members)
- Wiki maintenance (14 members)
- Wiki skin images (11 members)