Dao Game. Selected as one of the Top 5 Best Games by Mensa, this Dao Game challenges you to find the balance between harmony and strategy. It is a game of strategy that plays out with opposing sets of four pieces on a 4 x 4 playing square. At each turn, move any one piece in any direction of your choosing and go as far as you can until you reach the end of a playing square. Win by arranging your pieces in a vertical or horizontal line, by occupying a 2 x 2 square, or by occuping all four corners.