Get ready for an extraordinary adventure as the Bibliothque nationale de France (BnF) Richelieu unveils an immersive puzzle game that invites you to step into the shoes of a detective unraveling Cardinal Mazarin’s greatest secret. Launching on November 15, 2025, this unique experience combines elements of escape rooms and treasure hunts, allowing teams of 2 to 6 players to explore the rich history of the BnF while solving intricate puzzles.