Illustration by Shane Francisco on dribbble . Difference between a linear and nonlinear story structure The most common storytelling structures that are present in games are linear and nonlinear, since there is no single mode of narrativity in entertainment software [1]. Linear narratives follow a chronological path with a defined beginning, middle, and end. The player progresses through the game in a straight line by reaching predefined plot points. This is different to games with a nonlinear structure because they provide the player with the freedom to make decisions that can influence the story. The player's choices offers them several possible endings. There are games that have a combination of both structures. Three act structure The three act structure is a method of linear storytelling which divides a plot into a beginning, middle, and end. This model is widely used for designing a high level framing narrative for computer g