From the back of the box:

The Authentic Da Vinci Dilemma is an exciting new board game that tests your Da Vinci knowlege while creating a timeless masterpiece. Players are challenged to a series of Da Vinci Riddles and trivia from four categories: Earth, Air, Water and Man. The correct answers to these challenges allow players to win a piece of the puzzle, moving them one step closer toa solution and the creation of a Da Vinci Masterpiece.