Angry Birds (video game) featured app on the UK App Store in February 2010 and quickly reached No.1 there, it reached the No. 1 spot on the paid apps chart in the US App Store in the middle of 2010 and then stayed there for 275 days. The initial cost to develop "Angry Birds" was estimated to exceed €100,000, not including costs for the subsequent updates. For the iOS version, Rovio partnered with distributor Chillingo to publish the game to the App Store. Chillingo claimed to have participated in final game polishing, such as adding visible trajectory lines, pinch to zoom, pigs' grunts, birds'
Angry Birds Go! Angry Birds Go! Angry Birds Go! is a kart racing game and the eighth game in the "Angry Birds" video game series. The game was co-developed by Rovio Entertainment and Exient Entertainment, and was released on December 11, 2013. The game is compatible with Hasbro Telepods that will allow the player to summon a specific kart. The game's tracks are located on the 3D-rendered Piggy Island. The game also features upgradable karts and unique powers for each character. As of November 2014, "Go!" has been downloaded over 100 million times and team multiplayer was added. In 2017 Angry Birds Go!