An antique ring plunges a young woman into misfortune. Is there a curse on the ring? The echoes of the past hold the truth about the ring's significance. Echoes is a unique cooperative audio mystery game. Players listen to mysterious sounds and voices connected to the card motifs using the free Ravensburger Echoes app. Together, they arrange the 24 pieces of the story in the correct order to solve the case. The free Ravensburger Echoes app is required for gameplay. In the listening mode of the app, players can play the sounds. In the solving mode, players check the order of four cards at a time to solve chapter by chapter. Finally, players must arrange the entire story in the correct order to solve the case. A device with the following requirements is needed for the app: at least iPhone 6s with iOS 12.0 or newer / Android device with at least Android 7.0 and compatible with Google Play Services for AR.