The Balthazar Stone by The Mystery Agency is an award-winning escape-room puzzle to play at home. Join Elsa Winslow on her journey to Sharktooth Island. To solve the mystery, you must solve the many clues hidden in an ancient treasure chest to find Balthazar's Stone and break its ancient curse. And it hasn't been made easy for you -- the wooden chest itself has been padlocked and you will have to work out the combination just to get started! You will need to use all your powers of deduction and logic to solve a baffling, mind mangling sequence of clues to crack combination locks, piece together the information, and discover the truth about the stone.