Mystery House - Back to Tombstone is the first expansion of the base game for Mystery House. Mystery House delivers the experience of the thrill of an escape room in a box. Players solve riddles as the story is revealed. An app drives players through the game and tracks players’ progress. In Back to Tombstone, players must escape the wild wild west as they face fearless and furious foes, fast, smoking guns, and a gloomy mystery under the hot Western sun.