The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- A Dubious Task (11 members)
- A Light in the Dark (6 members)
- A Voice in the Wilderness (6 members)
- Abilities (10 members)
- Activities (11 members)
- Activities-themed grimoire cards (0 members)
- Activity data (194 members)
- Activity semantics (10 members)
- Administration (2 members)
- All activity data (194 members)
- All item data (3,806 members)
- All vendor data (21 members)
- Allies (12 members)
- Allies-themed grimoire cards (0 members)
- Ambiguous activity infobox usages (56 members)
- Ambiguous grimoire card infobox usages (1 member)
- Ambiguous item infobox usages (1,548 members)
- Ambiguous vendor infobox usages (5 members)
- Armor (53 members)
- Armor Items (5 members)
- Armor Sets (3 members)
- Armor Shader-type items (0 members)
- Armor Type (3 members)
- Armsday Order-type items (0 members)
- Articles (2 members)
- Artifact-type items (0 members)
- Artifacts (0 members)
- Attack (1 member)
- Auto Rifle-type items (0 members)
- Automatic Rifle (0 members)
- Automatic Rifles (0 members)
- Basic (1 member)
- Basic-tier items (0 members)
- Body Armor Engram-type items (0 members)
- Bosses (5 members)
- Bounties (0 members)
- Bounties vendors (0 members)
- Bounty Drop (3 members)
- Bounty Reward-type items (0 members)
- Bribe-type items (0 members)
- Buff-type items (0 members)
- Buffs (2 members)
- Cabal (7 members)
- Cabal Occupied (4 members)
- Caloris Spires, Mercury activities (0 members)
- Camera-type items (0 members)
- Candidates for deletion (19 members)
- Characters (14 members)
- Chest Armor (0 members)
- Chest Armor-type items (3 members)