Outdoor escape game by Outside Escape โ not a physical escape room, but a puzzle route through Rotterdam that you play at your own pace with an envelope full of assignments and your phone. A series of art thefts strike Dutch cities: Amsterdam, Den Haag, and Utrecht have already fallen victim. In Rotterdam, a hacker has cracked the chip security of the artworks and challenges players with riddles to unmask the mastermind behind the thefts.