FlappyBird OG是可以在UGameZone.com上免费玩的点击游戏之一。 有趣的蓬松游戏！单击屏幕，或使用空格键开始使用。尽量不让烟斗撞飞。你能走多远？
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:
