Back to library
Design & ValidateEngineOpen sourceFree
Inform 7
An open interactive-fiction design system that describes worlds, objects, and rules in declarative English and builds stories for interpreters or the web.
Visit official siteContent record updated Aug 1, 2026Official site reached automatically · Checked Aug 3, 2026
Why it’s here
World modeling and rule testing suit exploratory narrative, puzzles, and complex state prototypes, while generated indexes help inspect logic.
Best fit
Prototype systems, stories, and interactions, then validate them with real players.
narrative-designinteractive-fiction
Before you commit
English-like syntax still has strict semantics; non-English authoring, interface customization, and modern-engine integration require extra work.
