Expansion for Escape Room The Game. An antique map leads you directly to the pyramid with the legendary tomb of Osiris. After weeks of digging, you come across the gigantic entrance gate to the pyramid. As you enter a cylindrical room, a disturbing, grinding sound is heard: sand begins to flow rapidly into the room from a hole in the ceiling. You estimate that you only have an hour to find the treasures in the Tomb of Osiris and get out again before this ‘giant hourglass’ will forever block your path to freedom...