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Experience Management studies AI systems that automatically adapt interactive experiences such as games to tailor to specific players and to fulfill design goals. Although it has been explored for several decades, existing work in experience management has mostly focused on single-player experiences. This paper is a first attempt at identifying the main challenges to expand EM to multi-player/multi-user games or experiences. We also make connections to related areas where solutions for similar problems have been proposed (especially group recommender systems) and discusses the potential impact and applications of multi-player EM.

Some computer game genres require meaningful stories and complex worlds in order to successfully engage players. In this paper we look at a procedural approach to story-based map generation focusing on the tight relationship between stories and the virtual worlds where those stories will unfold. Our long term goal is to develop procedural content generation techniques that can produce maps supporting multiple stories. We present an approach that takes, as input, the specification of a story space as a collection of plot points. Causal relations between these plot points and spatial relationships between locations define different story and spatial structures. Our system generates multiple configurations of a map, determines the stories that are actually supported in each map, and evaluates their quality, in order to find maps that support high quality stories from a storytelling perspective.