An illicit poker game and a diamond heist on the Mississippi River culminate in a mysterious death. Six passengers tested their luck at the table, but who were they, what weapons were they each carrying, and what dark secrets from their criminal pasts were they concealing? What hand did fate deal them that night?

Put your detective skills to the test as you piece together the clues, solve the puzzles, and uncover the culprit before they can make their escape!

Professor Puzzle is a London-based company with the mission to create the world's best brainteasers. When travelling in his youth, Professor Puzzle stumbled on ancient puzzles in a far-flung corner of the world he was hooked. Metal puzzles were sold by a man on the street in Calcutta and a deal was immediately struck to commence metal-bending, puzzle-making training.