Ancient Haunted House

Once you have been at a student party. You are well rested with his classmates, but in the end, you decide to go together to the old house. People say that in this house there are real ghosts. You went inside and your classmates have disappeared. From the walls heard the terrible voice that told you that you are locked inside the house. Try to find a way out. To do this, you need to find the key to the door.