The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- The Rocklin Clinic Job (1 member)
- The Underdungeon (42 members)
- The War of Many Names (3 members)
- Townson Tabletop (4 members)
- Towson Tabletop (239 members)
- Troubles in Alanya (2 members)
- Uncharted (1 member)
- Undead (8 members)
- Underdark (18 members)
- Untitled Mafia Project (3 members)
- Untitled Podcast Campaign (1 member)
- Utility templates (1 member)
- Variant Mechanics (1 member)
- Videos (15 members)
- Villains (42 members)
- WW NPCs (1 member)
- War (1 member)
- War of Many Names (1 member)
- Weapon (3 members)
- Wicked Wild (3 members)
- Wicked Wilds (234 members)
- Wiki Worldbuilding Contest 2025 (36 members)
- Within the Wicked Wilds (1 member)