Discover how Listos California transformed emergency preparedness through an innovative tabletop exercise that brought together diverse community leaders and emergency response officials. This engaging session showcases a case study on how the Listos California team designed and refined a simulation to address the real-world barriers different communities face during crises. By iterating over eight community engagement sessions, the game evolved with live participant feedback, ultimately engaging over 650 people statewide. Attendees will learn how inclusive simulations can foster mutual understanding, uncover hidden obstacles, and strengthen community resilience. This session offers practical takeaways to adapt similar strategies in your own jurisdictions, enhancing collaboration and preparedness for all communities. Join us to see how immersive, feedback-driven engagement can transform emergency response strategies.