Sudoku挑战是数码游戏之一，您可以在ugamezone.com上免费玩。加数并完成每数独难题。值得一般的是，这款益智游戏的娱乐性也好，既有象可玩。玩的很开心！
Enable Flash in Chrome settings. When Flash is disabled, the label will read " Block sites from running Flash ".Click the toggle to enable flash and the label will read " Ask First ". Shown like the following:
Now Click And then,click " Allow " in the box that appears in the top-left to play the game.Shown like the following:
