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 (video game) in revenue from the advertising that appears in the free Android version. According to Rovio, players logged more than 5 million hours of game time each day across all platforms, with the series having 200 million monthly active users, as of May 2012. In November 2010, Digital Trends stated that "with 36 million downloads, "Angry Birds" is one of the most mainstream games out right now". MSNBC's video game news blog has written that "[n]o other game app comes close" to having such a following. "The Christian Science Monitor" has remarked, ""Angry Birds" has been one of the great runaway