参加运动摩托挑战赛，穿越城市，沙漠，内陆，山脉和盐湖的运动自行车。在每个阶段与其他8个竞争对手比赛。使用您的涡轮增压并赢得比赛。升级您的自行车引擎，处理和涡轮增压器以进行进步。
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:
