The paper introduces a scenario development approach to management simulation games. Nowadays the high efficiency of simulation games as a training method is obvious due to their ability to help students understand the complexity of decision making within a dynamic environment. Modern computer technologies allow creating complex games with an adaptable environment that requires development of appropriate game scenarios. It is not a trivial problem that requires elaborating of a formal approach, which will be described in the paper. As a result a general scheme for scenario development and modelling for a simulation game is proposed in the paper. Some sample scenarios for logistics and supply chain games are provided in the paper as well.