漂亮的大气性质轨道。感受到这种经典主题污垢自行车游戏中的自然并进行一些户外特技。享受物理驱动的污垢自行车游戏，具有许多自然主题的障碍物。
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:
