"Flappy Bird" developer Dong Nguyen may have removed his most famous creation, but he has several other games out in the wild. Nguyen's "Super Ball Juggling" is worth checking out for true "Flappy Bird" devotees, as the free title has virtually the same visuals and mechanics as its defunct successor. The only difference? You'll be tapping the screen to keep a soccer ball in the air rather than a bird. It's just as punishing, and can be just as habit forming.
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