Angry Birds (video game) was being played, the staff liked the characters, and the team elected to design a game around them. In early 2009, physics games, such as "Crush the Castle", were popular flash-based web games, so the Rovio team was inspired by these games. During the development of "Angry Birds", the staff realized the birds needed an enemy. At the time, the "swine flu" epidemic was in the news, so the staff made the birds' enemies pigs. Angry Birds was the studio's 52nd produced game and on its initial release, the game did not sell many copies. After Angry Birds was a
Angry Birds Seasons Angry Birds Seasons Angry Birds Seasons is the second puzzle video game in the "Angry Birds" series, developed by Rovio Mobile. Based on "Angry Birds", "Angry Birds Seasons" was released for devices using Apple's iOS in October 2010 and then it was released on other platforms starting in December 2010. There have been no new releases since 2016 and it appears that Rovio has discontinued development of the game. Just as in the original "Angry Birds", players use a slingshot to launch an assortment of birds at nearby structures, with the intent of hitting targets located on or within them.