EXIT: Puzzle - The Key to Atlantis

You can hardly believe your eyes! After many years of intensive searching you have actually found it: the legendary sunken city of Atlantis! At the heart of the city lies the palace, where answers to questions about the culture of Atlantis and its demise await discovery. But the portal to the palace is closed. Only by solving the 7 riddles of Atlantis, can you find the hiding place of the magic key and open the portal.