After each chapter, the player has to search the previous adventure levels for 10 instances of a certain object. 12 precious artifacts have to be collected throughout the game. The game keeps a score based on accuracy, time, object value and the use of hints.
There are some mini-games: paintings work like jigsaw puzzles that have to be reassembled, and scales have to be stabilized by shifting weights until they reach equilibrium.
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Detective Case and Clown Bot in Murder in the Hotel Lisbon PC