Follow Elsa Winslow to Sharktooth Island and investigate the curse of the Balthazar Stone. Your first puzzle is the padlocked wooden chest itself; the evidence inside leads into a sequence of locks, hidden clues and deductions.

Game details

• A physical escape-room mystery from The Mystery Agency, for solo play or a group.
• Includes a wooden chest, combination locks and evidence to examine.
• Internet access and a device with a web browser are needed for online clues. Tiered hints are available online.
• After solving the mystery, reset and repack it for new players. The story and solutions remain the same.