The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Armor (1 member)
- Building (9 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (5 members)
- Copyright templates (12 members)
- Creatures (1 member)
- Developer (1 member)
- Disambiguations (0 members)
- Documentation templates (3 members)
- Factions (4 members)
- Fiction (4 members)
- Formatting templates (20 members)
- Front page sections (0 members)
- Gadgets (1 member)
- Gear (1 member)
- GearStorm (17 members)
- GearStorm Wiki (11 members)
- Guides (4 members)
- Hidden categories (0 members)
- Images (2 members)
- Images needing improvement (0 members)
- Infobox templates (3 members)
- Items (1 member)
- Legal notices (3 members)
- Lore (15 members)
- Media (2 members)
- Missions (1 member)
- Navigation templates (3 members)
- Notice templates (15 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (0 members)
- Publisher (1 member)
- Quests (1 member)
- Resources (21 members)
- Screenshots (7 members)
- Servers (1 member)
- Stubs (51 members)
- Template documentation (48 members)
- Templates (16 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Traders (2 members)
- Unattributed files (0 members)
- User groups (17 members)
- Vehicles (1 member)
- Videos (0 members)