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 Friends "Year In Space" to commemorate the return of the American astronaut Scott Kelly and two cosmonauts after spending one year on the International Space Station. The game has received mixed reviews with a Metacritic score of 65/100 based on 5 reviews. "Pocket Gamer" criticized the game for being "shallow and uninspiring" In April 2013, Rovio revealed that the Facebook game had been installed by over 60 million users, with 1.2 million daily active users and 10 million monthly active users. Angry Birds Friends Angry Birds Friends is a puzzle video game and the fourth game in the "Angry Birds" video