Angry Birds, surely one of the most popular games ever to hit the App Store. Since being released on December 10th 2009, the game has sold over 450,000 copies. It also has the honour of being the number one paid iPhone game of all time! Retailing at only $0.99/£0.59, it is great value for money! The aim of the game is simple, the player must use his fingers to drag the bird back on the slingshot, aiming it towards pigs stationed on or in various structures. Once the player has destroyed all the pigs, the level is complete. Different birds are unlocked throughout the game, and each of the has a special bonus that can be used by tapping the screen once the bird has been launched. For example, the blue birds bonus is that it will separate into 3 birds. The game also has a version specially designed for iPad, "Angry Birds HD". This game sells for $4.99/£2.99.