导弹防御系统是可以在ugamezone.com上免费玩的防御游戏之一。无辜生命。整个国家都指望您！佳成绩！
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:
