How to GM a Crime Sim

Tips and tricks for running TTRPGs that focus on back alleys and criminal player characters. What kind of mechanics support games like this, and how should the game master approach them? How do you keep up the tension and the high stakes? What are some good practices for GMs? How do you prevent your stealth campaign from slipping into pure combat? A Blades in the Dark GM shares what she has learned about the topic from experience and the feedback of her players.