The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Casting style skills (6 members)
- Cats (5 members)
- Celestial creatures (2 members)
- Character charts (10 members)
- Charging fighting style weapons (6 members)
- Charts (16 members)
- Classes (18 members)
- Claws (11 members)
- Clothing (24 members)
- Coatlings (2 members)
- Combat rules (9 members)
- Common animal creatures (69 members)
- Component abilities (6 members)
- Component skills (3 members)
- Component spells (4 members)
- Components (3 members)
- Conditions (47 members)
- Cone delivery abilities (50 members)
- Cone delivery spells (1 member)
- Conjured spells (129 members)
- Construct creatures (35 members)
- Containers (20 members)
- Contract effects (10 members)
- Control effects (18 members)
- Core Rules (1 member)
- Core rules (105 members)
- Corporeal undead creatures (38 members)
- Corsair class abilities (21 members)
- Corsair class skills (20 members)
- Cost abilities (7 members)
- Cost changing keywords (3 members)
- Cost skills (4 members)
- Cost spells (3 members)
- Costs (3 members)
- Crabs (3 members)
- Creature target abilities (303 members)
- Creature target skills (63 members)
- Creature target spells (67 members)
- Creatures (450 members)
- Creatures by BR (37 members)
- Creatures by HP (29 members)
- Creatures by INT (9 members)
- Creatures by MOV (9 members)
- Creatures by MP (19 members)
- Creatures by PER (8 members)
- Creatures by SNK (9 members)
- Creatures by STR (9 members)
- Creatures by attribute (5 members)
- Creatures by attribute value (0 members)
- Creatures by hit dice (34 members)