Do you like escape rooms? Do you enjoy reading crime-themed Advent calendars? And are you brave enough to embark on a mysterious adventure? Then prepare yourself and open the first door. A young man wakes up in a dark basement compartment. He is alone, has no idea how he got there or who is behind it. He only knows one thing: he must get out of here - before it's too late. But to do that, he must face 24 mysterious puzzle challenges. This Advent thriller will put your brain cells to the test. Because only those who manage to solve a puzzle will find out where the story continues the next day. What adventurous tale lies behind the dark Christmas dungeon? For adventurers and super brains: a tricky escape puzzle every day. A solution guide ensures that you don't end up in a dead end. Only those who solve all the puzzles will open the last door and escape the nightmare. Crack 24 puzzles - open the door - find the exit. A completely new kind of Advent calendar: escape room and thrilling story in one. In German.