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+