Interactive Fiction

Interactive fiction, often abbreviated IF, is software simulating environments in which players use text commands to control characters and influence the environment. Works in this form can be understood as literary narratives, either in the form of interactive narratives or interactive narrations. These works can also be understood as a form of video game,[1] either in the form of an adventure game or role-playing game. In common usage, the term refers to text adventures, a type of adventure game where the entire interface can be "text-only",[2] however, graphical text adventures still fall under the text adventure category if the main way to interact with the game is by typing text. Some users of the term distinguish between interactive fiction, known as "Puzzle-free", that focuses on narrative, and "text adventures" that focus on puzzles.

A visual novel (Japanese: ビジュアルノベル, Hepburn: bijuaru noberu), often abbreviated as VN, is an interactive fiction video game genre,[1][2] featuring text-based story with narrative style of literature and interactivity aided by static or sprite-based visuals, most often using anime-style art or occasionally live-action stills (and sometimes video footage).[3] As the name suggests, they resemble mixed-media novels. (hypermedia)

Many built in Twine or StorySpace?

cf text adventure, Choose Your Own Adventure

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