Together with your friends you decide to play hide and seek with one of them at home. You hid in the bedroom under the bed. And it so happened that you were asleep. When you woke up, the house was empty and the front door was locked. Yelling does not make sense, you will not hear. For a start look around, collect the materials at hand that will help open the door. Just a couple of puzzles and unravel riddles, after which you can wait for the key along the way.