这是一款简单又困难的手机游戏，游戏中玩家必须控制一只胖乎乎的小鸟，跨越由各种不同长度水管所组成的障碍。上手容易，但是想通关可不简单。Flappy bird 于2013年5月在苹果App Store上线，2014年2月份在100多个国家/地区的榜单一跃登顶，尽管没有精细的动画效果，没有有趣的游戏规则，没有众多的关卡，却突然大火了一把，下载量突破5000万次。(This is a simple and difficult mobile phone game, game player must control a fat bird in the game, spanning from the different length pipe consisting of obstacles. It's easy to get started, but it's not easy to get through customs. Flappy bird on the line at the apple App Store in May 2013, 2014, February in more than 100 countries / regions of the list to the summit, although there is no fine animation, no interesting rules of the game, there are many levels, but suddenly a fire, 50 million downloads.)