What problem does it solve? Tabletop RPG prep often drifts into railroading, where outcomes depend on specific player choices and the world feels static. This Skill provides structural principles and checklists that keep campaign prep player-driven, reactive, and alive. ## Core Features & Use Cases - Anti-Railroading Review: Checks any prep element against the rule that no device may require a specific player choice to pay off. - Situation & Faction Design: Guides creation of ticking clocks, faction timelines, PC gravity hooks, and Three Clue Rule investigations. - Multi-Phase Sandbox Generation: A four-phase pipeline (architecture, entities, spatial logic, micro-detail) for building dungeons, regions, and hex maps without context collapse. - Use Case: Before a session, ask whether your planned cult kidnapping plot is a railroad; the Skill restructures it into pressures and timelines with multiple valid player paths. ## Quick Start Review my session prep notes for the harbor district and flag anything that railroads the players.