An unprecedented critical and commercial success, the video game Clair Obscur: Expedition 33 captivated more than 3 million players just weeks after its release. A remarkable achievement for the young France-based studio Sandfall, made up of fewer than thirty people, which delivers its very first production here. With its stunning aesthetic, breathtaking soundtrack, gripping story, and finely tuned mechanics, Clair Obscur: Expedition 33 propels the French game development scene to the height of its craft. Created to offer fans and newcomers an engaging look into the creative process behind Clair Obscur: Expedition 33, this exclusive large-format volume gathers, across more than 350 pages, hundreds of previously unseen documents and illustrations used in the creation of one of the most fascinating games of recent years, including environments, characters, concept art, objects, and more. Author Marine Macq, immersed within Sandfall Studio during development, provides a captivating and intimate account of the choices and inspirations that shaped this enchanting universe, from the first sketches to the final renders. To better understand what goes on behind the scenes—and the extraordinary human adventure represented by such an ambitious project—the development team candidly shares the secrets of their experience through a series of fascinating interviews.