一个简单但令人上瘾的益智游戏。用管道连接成对的彩色点，以在它们之间建立流动。您还必须用管道覆盖整个木板。管道不能交叉或重叠。
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:
