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 Trilogy screen to operate and aim the slingshot. If motion controls are not preferred, the slingshot is instead controlled with an analog stick. In all versions, except the Wii and Nintendo 3DS versions, it is possible to quickly reset a level by holding down a certain controller button for two seconds. Angry Birds Trilogy Angry Birds Trilogy is a video game co-developed by Rovio Entertainment, Exient Entertainment, Housemarque, and Fun Labs and published by Activision. The game contains the first three games of the popular mobile game series ("Angry Birds", "Angry Birds Seasons" and "Angry Birds Rio") and was released for