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Only one transmission can save your people from the transmission of a deadly virus! You have received an encrypted message, you must transmit the signal in time to your HQ to save your people from

Detective Echo is a murder mystery where your clues are soundwaves gathered at the scene of the crime by an Amazon Echo.

You are being trained to train a critter to do tasks pleasing to your own Trainer. The Trainer's motives are inscrutable.