The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Infernal Invasion (11 members)
- Into the Greedy Green (303 members)
- Isonhound (46 members)
- It Came From Kiston (48 members)
- Item (65 members)
- Items (1 member)
- JAMathon (73 members)
- JAMathon 2021 (33 members)
- JAMathon 2022 (42 members)
- Just the Q of Us (33 members)
- King for a Day (2 members)
- Kingdom (1 member)
- Kiston (14 members)
- LaCroix (18 members)
- Levinkan (10 members)
- Little Guys (1 member)
- Location (95 members)
- Magic (1 member)
- Magitech (1 member)
- Meta (1 member)
- Metagame (13 members)
- Monsters (55 members)
- NPCS (6 members)
- NPCs (92 members)
- Navbox templates (4 members)
- Not Strahd (3 members)
- OUAT (6 members)
- OathWielders (88 members)
- Operation Verdant Pyramid (12 members)
- Organizations (1 member)
- Osugbo (41 members)
- Pages with broken file links (8 members)
- Pages with script errors (1 member)
- Painted Sands of Pteris (2 members)
- Pirates of Quelmar (2 members)
- Planes (24 members)
- Player Characters (484 members)
- Prehistory (1 member)
- Pteris (79 members)
- Pteris Cities (26 members)
- Qandela Obscura (18 members)
- Queljammer (6 members)
- Quelmar Goes To Space (8 members)
- Races (69 members)
- Realmtrotter's Guide (20 members)
- Rule Benders (1 member)
- SUPERZ (16 members)
- Scribunto modules with errors (4 members)
- Secondary Characters (19 members)
- Ships (1 member)