Double Twelve is a Games & Entertainment::Puzzle & Word Games software developed by Big Fish Games. After our trial and test, the software was found to be official, secure and free. Here is the official description for Double Twelve: Match 45 dominoes for the win! Clear the board by matching pairs of dominoes whose sum is 24 in this relaxing new puzzle game! Each game features a new array of dominoes and each array varies in difficulty, guaranteeing a healthy mix of fun, simple and challenging combinations. Hours of fun are just a mouse-click away! you can download Double Twelve free now.