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 Video Game Nerd: The Movie into the film. Though this process was more time consuming than using CGI, Rolfe believed that the use of scale models would help add to the film’s intended B movie feel. The game's review featured in the end credits was later released as a stand-alone episode of "The Angry Video Game Nerd" web series, featuring the game under its proper title rather than the "Eee Tee" spoof used in the film, which was used to avoid legal dispute from copyright holders of the film the video game is based on. The film's score was composed by Bear McCreary, who had