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 Stella 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 Birds" series, developed by Rovio Entertainment. The game was marketed to females by using characters that have a spirit of female heroism and friendship, but was intended to appeal to all sexes. Announced on February 13, 2014, Rovio stated that the game would be accompanied by a toy-line with Telepods, and a television series. The game was released on September 4, 2014. This game is based on an Angry Birds character who was first introduced