Abstract
The in-depth description of game playing experience needs a suitable terminology which, in turn, shall reflect appropriate concepts. The introduced story space concept is compliant with a variety of recent research endeavors and allows for a lucid representation of phenomena which are crucial to the understanding of ways in which stories may be perceived when playing a digital game. The particular story space evolves over time–the story expands. The process of story unfolding may have a variety of fundamental properties such as, e.g., linearity or monotonicity. The controlled abandonment of linearity and monotonicity, e.g., may be used as a technique of dramaturgical design.