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 Transformers Angry Birds Transformers Angry Birds Transformers is a side-scrolling shoot 'em up video game. The tenth installment in the "Angry Birds" series, the game is a crossover between "Angry Birds" and "Transformers", featuring battles between the Autobirds and Deceptihogs, "Angry Birds" versions of the Autobots and Decepticons. It is published by Rovio Entertainment with collaboration from Hasbro. The game was released on October 15, 2014, for iOS, released on October 30, 2014, for Android. The release includes related licensed merchandise and a toy line from Hasbro. The game's catchphrase is "Birds Disguised as Robots in Disguise". The EggSpark has crashed