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 (video game) Noble announced that a future update for its Nook Color e-reader will let the Android-based device run applications, including a port of "Angry Birds". In June 2011, Rovio announced plans to partner with Roku to include a version of "Angry Birds" on a new model of its Internet-connected set-top box, the Roku 2 XS. In May 2011, an in-browser HTML5 version of "Angry Birds" was released in beta form. The game uses WebGL or Canvas and is distributed through the Chrome Web Store for use with Google's Chrome web browser. It runs on any WebGL- or Canvas-enabled browser, and features