Discover the new immersive game in the heart of the Palais Garnier. In this extraordinary game experience, you will follow in the footsteps of the famous Arsene Lupin and try to solve the only mystery that has resisted him: the secret of Count Cagliostro. During this thrilling investigation for all audiences, you will explore the magnificent spaces of the Palais Garnier, which has been transformed into an incredible life-size playground.