Percentile (d100)

Quick answer

A general term.

Definition

A mechanic where you roll two d10s as a number from 1–100 and succeed if the roll is equal to or below your skill/target (common in Call of Cthulhu).

How to use it
  • Use this term to communicate intent and stakes quickly.
  • When the table shares the definition, scenes move faster and fewer calls get re-litigated.