The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Campaigns (4 members)
- Characters (74 members)
- Cities (0 members)
- DDD (1 member)
- DDD Characters (1 member)
- DDD PCs (1 member)
- Disambiguations (3 members)
- Employed Characters (3 members)
- Finales (0 members)
- Imported vocabulary (8 members)
- Locations (31 members)
- Marked for deletion (0 members)
- NBITTRPG Wiki (6 members)
- NPCs (32 members)
- Nations (5 members)
- Oneshots (0 members)
- PCs (5 members)
- Pages using Tabber parser tag (9 members)
- Pages with broken file links (7 members)
- Pages with ignored display titles (4 members)
- Pages with script errors (2 members)
- Pages with syntax highlighting errors (2 members)
- Pets (1 member)
- Renova (12 members)
- Renova Characters (12 members)
- Renova NPCs (5 members)
- Renova PCs (7 members)
- Sessions (26 members)
- Spireloft (126 members)
- Spireloft Characters (60 members)
- Spireloft Locations (31 members)
- Spireloft NPCs (52 members)
- Spireloft PCs (2 members)
- Spireloft Sessions (25 members)
- Spoilers (13 members)
- Stubs (48 members)
- The Forgotten (1 member)
- The Renova Party (4 members)
- Unemployed Characters (4 members)
- Userboxes (0 members)
- Weathia (28 members)
- Weathia: Final Crisis Sessions (2 members)
- Weathia: Resurrection Sessions (18 members)
- Weathia Characters (5 members)
- Weathia NPCs (1 member)
- Weathia PCs (1 member)
- Weathia Sessions (20 members)