Rules Overview

rulescore

Last updated: 1/24/2026

Rules Overview

Worldlines uses a step-die system for resolving actions.

Core Mechanics

When you attempt an action, you roll a die based on your trait:

  • d4 - Untrained
  • d6 - Novice
  • d8 - Competent
  • d10 - Expert
  • d12 - Master

Success and Failure

Compare your roll to the difficulty:

  • Easy: 3+
  • Moderate: 5+
  • Hard: 7+
  • Extreme: 9+