The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Sticky Weapons (2 members)
- Team Deathmatch (7 members)
- Technician (16 members)
- Template documentation (74 members)
- Templates (11 members)
- Templates imported from Wikipedia (5 members)
- Terms (1 member)
- Tribes (43 members)
- Tribes: Ascend (67 members)
- Tribes: Ascend/CTF Blitz (2 members)
- Tribes: Ascend/Capture the Flag (2 members)
- Tribes: Ascend/Classes (4 members)
- Tribes: Ascend/Impact Weapons (1 member)
- Tribes: Ascend/Maps (2 members)
- Tribes: Ascend/Patches (41 members)
- Tribes: Ascend/Patches/Closed Beta (14 members)
- Tribes: Ascend/Patches/Open Beta (7 members)
- Tribes: Ascend/Patches/Release (20 members)
- Tribes: Ascend/Rabbit (1 member)
- Tribes: Ascend/Vehicles (1 member)
- Tribes: Ascend/Weapons (1 member)
- Tribes: Vengeance Weapons (4 members)
- Tribes (video games) (1 member)
- Tribes 1 (8 members)
- Tribes 2 (4 members)
- Tribes 3 (42 members)
- Tribes 3: Rivals (73 members)
- Tribes 3: Rivals/Belt Items (11 members)
- Tribes 3: Rivals/Classes (4 members)
- Tribes 3: Rivals/Packs (11 members)
- Tribes 3: Rivals/Patches (12 members)
- Tribes 3: Rivals/Patches/Alpha (12 members)
- Tribes 3: Rivals/Perks (14 members)
- Tribes 3: Rivals/Primary Weapons (7 members)
- Tribes 3: Rivals/Removed Weapons (8 members)
- Tribes 3: Rivals/Secondary Weapons (9 members)
- Tribes 3: Rivals/Tertiary Weapons (5 members)
- Tribes 3: Rivals/Weapons (30 members)
- Turrets (2 members)
- Tutorials (1 member)
- Twinfusors (3 members)
- Typing-aid templates (2 members)
- Unofficial fiction (16 members)
- Unused modules (1 member)
- Updates (0 members)
- Utility templates (2 members)
- Vehicles (6 members)
- Video games navigational boxes by series (1 member)
- Videos (19 members)
- Weapons (113 members)