Angry Birds (video game) crates and rocks are incorporated into the structures, and power-ups may be used to enhance the birds to attack hard-to-reach pigs. Also in the levels, players can unlock bonus levels by collecting golden eggs. There are several different types of birds used in the game, distinguished by their color and shape. In the earliest levels only the basic red bird is available. As the player advances through the game additional types of birds become available. Some birds are effective against particular materials, and some have special abilities that may be activated by the player while the bird is airborne. For
Angry Birds Friends Angry Birds Friends Angry Birds Friends is a puzzle video game and the fourth game in the "Angry Birds" video game series. It is developed and published by Rovio Entertainment. The game was originally an exclusive Facebook game called "Angry Birds Facebook" that was released on February 13, 2012, and was renamed to the current name on May 23, 2012. The Facebook version introduced power-ups to the Angry Birds game series. Android and iOS versions were released on May 2, 2013. On October 27, 2014, Rovio introduced a global league to allow users from around the world to play against