Thanks to Ravensburger the phenomenon "Escape Room" becomes a puzzle!
Puzzles and mystery come together to increase the fun through a completely new variant: the Escape Puzzle. Once you've managed to assemble all 759 pieces of Submarine puzzle, your imagination, intuition and deduction skills will come into play. Important hints: start in the middle, not at the edges. Be aware that this puzzle is more complicated than the typical 500-1000 piece puzzle. It will take you longer to do it.
Read the story and build the puzzle: you'll see that the picture is slightly different from the box, and the differences are the clues to escape. Concentrate on the image and look for the exit from this story. At this point, look for all the clues: the first ones are the differences already found, so pay attention to the edges!
For those who need a little help, the package includes a QR code with some clues. The solution is found in a sealed envelope inside the box Can you solve the mystery and escape without cheating?