The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Gear (5 members)
- Glossary of Terms (1 member)
- Guides (6 members)
- Hidden categories (0 members)
- Ice Skills (10 members)
- Images (126 members)
- Images needing improvement (0 members)
- Infobox templates (2 members)
- Infoboxes lacking images (380 members)
- Items (23 members)
- Legal notices (3 members)
- Liberators (9 members)
- Light Skills (11 members)
- Locations (1 member)
- Lore (0 members)
- Mechanics (0 members)
- Media (2 members)
- Monsters (1 member)
- Navigation templates (2 members)
- Notice templates (15 members)
- Other (2 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages using DynamicPageList parser tag (1 member)
- Pages with broken file links (4 members)
- Passive Skills (134 members)
- Physical Skills (37 members)
- Quests (1 member)
- Rankings (0 members)
- Recovery Skills (30 members)
- Skills (1 member)
- Special Abilities (0 members)
- Status Ailment Skills (30 members)
- Stubs (428 members)
- Summon (1 member)
- Support Skills (28 members)
- Template documentation (52 members)
- Templates (17 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Unattributed files (0 members)
- Unit Data (0 members)
- Unreleased Units (0 members)
- Update Schedule (1 member)
- User groups (12 members)
- Videos (0 members)
- Weapons (0 members)
- Wiki maintenance (14 members)
- Wiki skin images (2 members)
- World (3 members)