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 must keep the characters relevant until then, by producing sequels or new ports of the original game. "Angry Birds Toons", a TV series based on the game, made its debut on March 16, 2013. "Angry Birds Toons" is released through third-party video distribution platforms, including Comcast's Xfinity On-Demand in the US, Samsung Smart TVs, and Roku set-top boxes. It is also available in a number of countries on traditional television broadcasts. "Angry Birds Toons" is available on mobile devices by an additional "Angry Birds Toons" channel on all of the "Angry Birds" apps homescreens. DVD version for the TV series