A team of researchers works on a mysterious project for 28 weeks. In the 29th week, something unexpected happens, and suddenly everyone disappears. Only this diary remains, containing 63 puzzles that must be solved to uncover what happened. To solve the puzzles, you will need this book, a pen, and a smartphone, tablet, or computer with internet access, as well as courage and intellect. Everything is allowed: writing, drawing, bending, folding, cutting, or tearing - regardless of the book - either alone or in a team. The solution codes can be exchanged for keys online, which unlock the path to the next task. Only those who crack all the codes will discover what happened. Experience the thrill of a live escape game at a professional level.