Principia: The Simple Approach Corebook
Principia: The Simple Approach Corebook gives you everything you need to run character-first roleplaying sessions with clarity, momentum, and emotional weight. Built for storytellers who value agency, collaboration, and strong narrative structure, this system helps you create traits, resolve actions, and guide scenes without breaking the flow. Whether you’re building worlds, shaping factions, or running one-shots with no prep, Principia offers a modular, system-adaptable framework that stays focused on what matters: story, character, and consequence.
