A declarative format for interactive storytelling experience
iepub is a way of telling stories where every decision counts. A format designed to create, publish, and read interactive fiction, where the narrative experience comes first.
Variant is the official writing environment for scenes, choices, conditions, and export. It is the shortest path from idea to playable draft.
Open VariantDecadence is the fastest way to understand the format in practice: story, state, memory, and choices already running in the reader.
Open Decadenceiepub keeps narrative content separate from runtime behavior so works stay readable and movable.
See published worksIndexable guides
These pages explain the same product from different technical angles: engine, writer, format, and platform. They also connect directly to the live reader and the authoring tool.
How iepub runs adaptive narrative, persistent state, and readable publication flows.
Comparison Twine alternativeAn honest comparison for authors who want a more format-driven publishing model.
Format iepub formatWhy separating prose, assets, and runtime rules keeps interactive books portable.
Writer Interactive fiction writerWhat Variant offers authors who need conditions, previews, and export in one place.
Platform Interactive novel platformThe full iepub stack: format, reader, writer, and a public example work.
Discoverability
Decadence is the clearest public example of how iepub behaves once published: cover, multilingual story data, persistent state, and chapter flow already wired into the reader.