The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Action Skill Augments (5 members)
- Active Skills (5 members)
- Administration (0 members)
- Anshin Shields (2 members)
- Antagonists (23 members)
- Assassin (3 members)
- Assault rifles (9 members)
- Badass mobs (30 members)
- Bandit Assault Rifles (6 members)
- Bandit Boosters (1 member)
- Bandit Maylays (1 member)
- Bandit Pistols (4 members)
- Bandit Rocket Launchers (3 members)
- Bandit Shields (1 member)
- Bandit Shotguns (6 members)
- Bandit Submachine Guns (6 members)
- Bandit clans (9 members)
- Bandit weapons (5 members)
- Bestiary (12 members)
- Bloodshed (5 members)
- Boosters (3 members)
- Borderlands (1 member)
- Borderlands: The Pre-Sequel (3 members)
- Borderlands: The Pre-Sequel NPCs (8 members)
- Borderlands: The Pre-Sequel images (2 members)
- Borderlands: The Pre-Sequel screenshots (17 members)
- Borderlands: The Pre-Sequel skill images (118 members)
- Borderlands 2 (33 members)
- Borderlands 2 DLC (4 members)
- Borderlands 2 NPCs (4 members)
- Borderlands 2 bestiary images (2 members)
- Borderlands 2 classes (12 members)
- Borderlands 2 concept art (1 member)
- Borderlands 2 images (13 members)
- Borderlands 2 screenshots (30 members)
- Borderlands 2 skill images (33 members)
- Borderlands 2 skills (223 members)
- Borderlands NPCs (1 member)
- Bullymongs (14 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Cataclysm (1 member)
- Citation needed (0 members)
- Classes (9 members)
- Cleanup (0 members)
- Commando (38 members)
- Common Assault Rifles (1 member)
- Common Pistols (2 members)
- Common Shotguns (1 member)
- Common Sniper Rifles (1 member)
- Common Submachine Guns (1 member)
- Community (3 members)
- Constructors (2 members)
- Copyright templates (12 members)
- Crystalisks (4 members)
- Cunning (1 member)
- Currency (1 member)
- Curse videos (1 member)
- Customizations (1 member)
- DLC (1 member)
- Dahl Assault Rifles (4 members)
- Dahl Boosters (1 member)
- Dahl Pistols (6 members)
- Dahl Sniper Rifles (5 members)
- Dahl Submachine Guns (8 members)
- Dahl weapons (4 members)
- Disambiguations (2 members)
- Documentation templates (5 members)
- Elemental effects (2 members)
- Enforcer (34 members)
- Eridian Relics (1 member)
- Formatting templates (23 members)
- Fragtrap (37 members)
- Gear (2 members)
- Gearbox images (288 members)
- General wiki templates (5 members)
- Gladiator (1 member)
- Goliaths (6 members)
- Gunzerker (41 members)
- Harmony (7 members)
- Help (5 members)
- Hidden categories (10 members)
- Hyperion Pistols (5 members)
- Hyperion Shields (1 member)
- Hyperion Shotguns (6 members)
- Hyperion Sniper Rifles (4 members)
- Hyperion Submachine Guns (4 members)
- Hyperion forces (7 members)
- Hyperion weapons (3 members)
- Icon templates (1 member)
- Images (7 members)
- Images needing improvement (0 members)
- Infobox templates (4 members)
- Invincible mobs (1 member)
- Jakobs Assault Rifles (1 member)
- Jakobs Pistols (1 member)
- Jakobs Shotguns (1 member)
- Jakobs Sniper Rifles (2 members)
- Kill Skills (6 members)
- Lawbringer (35 members)
- Legal notices (3 members)
- Legendary Assault Rifles (5 members)
- Legendary Boosters (2 members)
- Legendary Pistols (8 members)
- Legendary Relics (1 member)
- Legendary Rocket Launchers (6 members)
- Legendary Shields (10 members)
- Legendary Shotguns (5 members)
- Legendary Sniper Rifles (8 members)
- Legendary Submachine Guns (7 members)
- Licensing templates (2 members)
- Loaders (9 members)
- Locations (1 member)
- Main (9 members)
- Maliwan Pistols (1 member)
- Maliwan Rocket Launchers (2 members)
- Maliwan Shields (3 members)
- Maliwan Sniper Rifles (1 member)
- Maliwan Submachine Guns (3 members)
- Manufacturers (13 members)
- Marauders (20 members)
- Maylays (2 members)
- Mechromancer (2 members)
- Media (2 members)
- Melee Override Skills (2 members)
- Mods (10 members)
- Motion (8 members)
- NPCs (109 members)
- Navigational templates (16 members)
- Nomads (6 members)
- Notice templates (19 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (141 members)
- Pangolin Shields (1 member)
- Peon mobs (44 members)
- Pistols (12 members)
- Prefixes (14 members)
- Psycho (2 members)
- Psychos (24 members)
- Quests (4 members)
- Rare / Very Rare Submachine Guns (1 member)
- Rare Assault Rifles (4 members)
- Rare Pistols (5 members)
- Rare Rocket Launchers (1 member)
- Rare Shotguns (6 members)
- Rare Sniper Rifles (4 members)
- Rare Submachine Guns (4 members)
- Rats (6 members)
- Relics (3 members)
- Rocket Launchers (9 members)
- Screenshots (2 members)
- Seraph Shields (1 member)
- Shields (11 members)
- Shotguns (10 members)
- Siren (26 members)
- Skills (107 members)
- Sniper rifles (11 members)
- Sniping (11 members)
- Statements needing citations (0 members)
- Stubs (14 members)
- Submachine Guns (9 members)
- Surveyors (4 members)
- Tediore Pistols (1 member)
- Tediore Rocket Launchers (1 member)
- Tediore Shields (1 member)
- Tediore Shotguns (1 member)
- Tediore Submachine Guns (2 members)
- Template documentation (31 members)
- Template images (2 members)
- Templates (21 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Torgue Assault Rifles (2 members)
- Torgue Pistols (1 member)
- Torgue Rocket Launchers (1 member)
- Torgue Shotguns (1 member)
- Trashers (1 member)
- Unattributed files (0 members)
- Uncommon Assault Rifles (2 members)
- Uncommon Pistols (3 members)
- Uncommon Shotguns (2 members)
- Uncommon Sniper Rifles (1 member)
- Uncommon Submachine Guns (4 members)
- Unique Maylays (1 member)
- User groups (13 members)
- Varkids (2 members)
- Very Rare Assault Rifles (3 members)
- Very Rare Pistols (2 members)
- Very Rare Rocket Launchers (1 member)
- Very Rare Shotguns (1 member)
- Very Rare Sniper Rifles (1 member)
- Very Rare Submachine Guns (5 members)
- Videos (3 members)
- Vladof Assault Rifles (2 members)
- Vladof Pistols (1 member)
- Vladof Rocket Launchers (1 member)
- Vladof Shields (2 members)
- Vladof Sniper Rifles (3 members)
- Weapons (8 members)
- Weapons by manufacturer (3 members)
- Wiki (5 members)
- Wiki maintenance (14 members)
- Wiki skin images (14 members)