When attempting something difficult, roll 2d6+mod, mods are relevant positive and negative factors (max +3, min -3).
- Helpful mods give +1 each, harmful mods give -1 each, E.g. 2d6 +/-1 concept +1 proficiency +/-n environment.
- Results: 6- is a miss, 7-9 is a partial success, 10-12 is a complete success, 13+ is a critical success.