The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Size 0.25-5 creatures (1 member)
- Size 0.25 creatures (23 members)
- Size 0.5-6 creatures (1 member)
- Size 0.5 creatures (26 members)
- Size 1+ creatures (0 members)
- Size 1-10 creatures (8 members)
- Size 1-20 creatures (1 member)
- Size 1-2 creatures (11 members)
- Size 1-30 creatures (1 member)
- Size 1-3 creatures (1 member)
- Size 1-4 creatures (1 member)
- Size 1-5 creatures (2 members)
- Size 10-15 creatures (3 members)
- Size 10-20 creatures (5 members)
- Size 10-30 creatures (15 members)
- Size 10 creatures (2 members)
- Size 11-12 creatures (5 members)
- Size 12 creatures (1 member)
- Size 1 creatures (39 members)
- Size 2-4 creatures (1 member)
- Size 2-5 creatures (1 member)
- Size 2 creatures (27 members)
- Size 3-4 creatures (10 members)
- Size 3-5 creatures (1 member)
- Size 3 creatures (81 members)
- Size 4 creatures (48 members)
- Size 5-10 creatures (2 members)
- Size 5-20 creatures (1 member)
- Size 5-6 creatures (10 members)
- Size 5-7 creatures (3 members)
- Size 5-9 creatures (1 member)
- Size 5 creatures (37 members)
- Size 6-10 creatures (1 member)
- Size 6-8 creatures (1 member)
- Size 6 creatures (12 members)
- Size 7-8 creatures (10 members)
- Size 7 creatures (10 members)
- Size 8-10 creatures (1 member)
- Size 8-15 creatures (1 member)
- Size 8 creatures (14 members)
- Size 9-10 creatures (10 members)
- Size creatures (0 members)
- Skeletal undead creatures (6 members)
- Skills (312 members)
- Skin (4 members)
- Slow abilities (91 members)
- Slow skills (35 members)
- Slow spells (46 members)
- Small equipment (85 members)
- Snagging equipment (0 members)