这是一个物理射击HTML 5游戏。这个男孩得到一门新大炮，他想测试它的力量。但是，此测试有点难以掌握。你能帮他吗？选择合适的时间开火！准备？请享用！
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:
