How can we make lifesaving skills training accessible, repeatable, and measurable? LifesaverSIM addresses this challenge through mobile-first, game-based simulations that help first responders develop procedural memory and decision-making under pressure. The platform supports large-scale deployment, works without specialized hardware, and records user actions to generate objective assessment and training analytics. This presentation will show how simulation, gamification, and data-driven insights can extend emergency preparedness training for first responders, emergency services, and other high-risk sectors.