Discover the new immersive game in the heart of the Palais Garnier! In this extraordinary fun experience, you will walk in the footsteps of the famous Arsène Lupin, and try to unravel the only mystery that has resisted him: the secret of the Count of Cagliostro! During this hectic investigation for all ages, you will explore the magnificent spaces of the Palais Garnier, transformed into an incredible life-size playground. Mysteries and surprises await you in this unique adventure! Recommended from 10 years old - Access via the main facade of the Palais Garnier - Only the reservation of a dedicated time slot guarantees access to the site, however, due to Vigipirate control, access can be made within 20 minutes of the time indicated on your ticket. - Ticket valid only on the date and time of the reservation. Latecomers will not be accepted. - No cloakroom / luggage deposit. Large suitcases and bags are not accepted