Atelier Sophie: The Alchemist of the Mysterious Book is an upcoming Japanese role-playing video game, part of the renowned "Atelier" series. The game introduces a new alchemy-centric system and a reformed world view compared to its predecessors.

Players will guide Sophie through a world where she can gather recipe ideas from various activities like harvesting, exploration, and battles. These ideas serve as the foundation for advancing her alchemical knowledge. During the alchemy process, players are challenged with arranging ingredient shapes on a puzzle board that mimics a cauldron. Perfect arrangements yield bonuses, and the chosen materials directly impact the synthesized item's quality. This system aims to provide players with a high level of freedom to tailor their gameplay experience according to their preferences.