This essay explores aspects of the history of wargaming in order to develop fresh perspectives on the analysis of contemporary computer games. Wargaming is considered in relation to the ludological approach to games studies with a view to developing an understanding of the marginality of narrative content in games that ludology takes as its point of departure. Wargaming is interpreted as a forerunner of contemporary modelling and simulation practices. It is associated with the modern project of programming the future by the rational means of mathematically-based measurement and projection. The influence of wargaming on contemporary computer gaming is discussed and the appeal of computer games is explored in terms of a modulation of this modern project. Keywords War, wargaming, model, simulation, program.