Exit The Room Vienna: Reckless Jack

Uncle Alex disappeared, his wife left him and wrote him a letter, he read the letter and threw it into the fireplace, the letter did not burn out, (the players find this letter), everything is very deplorable, however, the players are Alex's nephews and they try to understand why the uncle disappeared, after passing some challanges, the players find a room and after playing there, in the end they find out that Jack (the main character) lives in the Room and he is trying to drive everyone crazy (he is an imaginary friend of Alex)