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 Stella Some reviewers have praised the game for its introduction of new characters and return to the original style of gameplay. After the release of "Angry Birds Stella", a third, unnamed episode was teased at the end of the game's second episode, but the episode was cancelled, and the game was discontinued on September 8, 2015. However, Stella's adventures continue in "Angry Birds POP!" and the second and final season of the "Angry Birds Stella" series. Angry Birds Stella Angry Birds Stella, also known as Angry Birds Slingshot Stella, was a puzzle video game and the second spin-off from the "Angry