In 2012, the game developer Anselm Pyta visited a cave in Germany. This tangle of caverns, lakes and grottos, called The Barbarossa Cave, is tied to a legend of a former emperor who sleeps there until he awakes to become the King of Germany once more. In the legend the king had a servant who takes care of him until he…
Source: Kotaku – One Way To Beat This Upcoming Puzzle Game Is To Wait 400 Days