This document discusses concepts and processes for interactive storytelling and designing narratives for computer games. It covers objectives of storytelling like entertainment and selling games. It also distinguishes between narrative and gameplay, and discusses different narrative formats, the story writing process, structures like linear and branching stories, and using dialogues. The key points are that interactive stories let players choose or cause events, and good game narratives balance player control and pre-written cutscenes to create tension and guide the story.