This paper reports about the design of a game-based training intervention for pre-hospital resuscitation training. Our underlying assumption is, that survival chances in cardiac arrest situations could be significantly improved, if bystanders would be better educated and prepared to help. Based on a discussion of problems of current training concepts and related educational the-ories a game-based learning intervention is proposed. The focus of the interven-tion is the improvement of procedural knowledge and self-efficacy of partici-pants. The game is designed on the basis of the ARLearn platform. The game context and game-design is discussed. Last but not least we discuss short-term and long-term evaluation scenarios.