Mechanics overview
Mothership 1E dice rules
Roll Mothership 1E dice online for free. Our percentile dice roller handles d100 roll-under skill checks, critical successes and failures on doubles, panic checks with stress tracking, and the advantage/disadvantage system. Perfect for sci-fi horror survival.
Quick rules summary
Roll d100 (1-100) against your skill value. Roll equal to or under to succeed. Doubles (11, 22, 33...) under your skill are critical successes; doubles over are critical failures. Advantage lets you roll two tens dice and take the lower; disadvantage takes the higher.
Mothership 1E dice FAQ
How do critical rolls work in Mothership?
How does the panic system work?
How does advantage work in Mothership?
Do I need to sign up to roll dice?