Royal Game of Ur, also known as the Game of Twenty Squares, is an ancient two-player strategy board game. This game was very popular in middle east and is considered a predecessor of backgammon. In the game, two players start with 7 pawns each, take turn to roll 4 pyramid shaped dice and move pawns according to the roll. The first player to bear all pawns off the board wins the game. With some luck and proper strategy you can master this game. Check out this free version of the game and enjoy playing it in your free time.