The game is not complicated. Tap the screen to shut the pipes, killing any birds attempting to fly through them. Features: Unlock incredible power-ups, then use them to decimate the birds! Unlock potent pipes that come with incredible benefits! You can earn bone bucks for each round you play and then spend them in the shop! You can give the birds a wide variety of amusing outfits if you unlock them all! If you save your progress to the cloud, you can play on a different device without losing your place.