The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Ability-specific Tool images (3 members)
- Ability-specific Tools (3 members)
- Ability-specific Tools images (0 members)
- Achievement images (53 members)
- Achievements (1 member)
- Aggressive quests (9 members)
- Alignment images (7 members)
- Alignment traits (19 members)
- Alpha 1 screenshots (11 members)
- Alpha 4 screenshots (9 members)
- Alpha 6 screenshots (2 members)
- Alpha 7 screenshots (14 members)
- Alpha showcase screenshots (38 members)
- Animated GIFs (36 members)
- Attributes (4 members)
- Attributes missing Affects (0 members)
- Attributes missing Desc (0 members)
- Attributes missing Name (0 members)
- Attributes missing Tooltip (0 members)
- Banner images (12 members)
- Barrier images (14 members)
- Barriers (16 members)
- Big Quest Item images (7 members)
- Big Quest Items (6 members)
- Big Quest images (31 members)
- Big Quests (41 members)
- Bite (Vampire Ability) traits (4 members)
- Blood/Gore/Gibs images (8 members)
- Blood Transfusion Kit (Bouncer/Bodyguard Item) traits (1 member)
- Bomb Processor (Demolitionist Item) traits (3 members)
- Buildings images (116 members)
- Bullet (Projectile) images (17 members)
- Bullet images (0 members)
- Bullets (0 members)
- Bullets & Ammo traits (6 members)
- Bullets (Projectiles) (13 members)
- Camouflage (Assassin Ability) traits (2 members)
- Candidates for deletion (10 members)
- Candidates for speedy deletion (0 members)
- Cannibalize (Cannibal Ability) traits (3 members)
- Chaaarge (Jock Ability) traits (4 members)
- Character Pack DLC content (103 members)
- Character Pack DLC images (12 members)
- Character images (71 members)
- Characters (66 members)
- Chests (0 members)
- Chloroform Hankie (Doctor Ability) traits (1 member)
- Citation needed (0 members)
- Cleanup (0 members)
- Combat mutators (2 members)