The program itself is the engine and the necessary set of tools for creating games. Projects such as Yume Nikki, Ao Oni, and others were made on this engine.
Kishi_kun posts a new piece of the game on Reddit once a week. It is unclear whether he plans to recreate the entire Wild Hunt or not. It is also unknown whether this will be a full-fledged demic or whether everything will be limited to the imagination. It looks very cool anyway.
