Das Geheimnis von San Marco ("The Secret of San Marco") is an escape game full of riddles and puzzles that consists only of cards. A stranger has called the players into the state library of Venice to entrust them with an ancient legacy. A mysterious manuscript is hidden somewhere in San Marco. Can the players solve all the riddles and puzzles to reveal the hiding place and thus prove themselves as worthy heirs? How to play: The players' adventure takes place in the library. All 77 playing cards contain a riddle to be solved. As soon as the players have solved all the riddles on the cards, they have to face one last challenge: where is the secret manuscript hidden? By the way: The game material remains intact and can therefore be used again and again.