One day I found a strange parcel on my working table. There was no sender written but there was a memo attached: "I hope that you could solve this ancient conundrum finally." When I opened the box I saw an old wooden casket. There was a golden plate on the casket top and I stared in amazement at it because of the following inscription: "Mechanical Conundrum of Leonardo Da Vinci". Complete 67 levels of the ancient mechanical conundrum of the world wide known greatest inventor, scientist and artist Leonardo Da Vinci and discover his 8 greatest masterpieces.