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If you were one of the people who loved Flappy Bird you might want to get your phone a great cover, because you are going to throw it around in frustration playing this new game.

The Vietnamese game developer Dong Nguyen (best known for Flappy Bird), just released a new app called Swing Copters. And yes, it’s just as difficult and just as frustrating as Flappy Bird.

The game itself is pretty simple; tap to change direction, and do not hit the giant hammer things. It looks a lot like Flappy Bird with ridiculously big pixels and a very simple game play. When playing it you get the feeling that this game wasn’t made to be fun, but to annoy you, and it will.

Somehow Dong Nguyen can make a very simple app very challenging and frustrating. They key to mastering Swing Copters is a great amount of patience, but also rhythm. Rhythm is an important thing when playing, and it is definitely not an easy task.

So if you want a challenging app that doesn’t have to make you happy, and you have enough spare time, I would recommend Swing Copters. The app is free for both Android and iOS.