In other projects Wikimedia Commons. One such proposal came from senior game designer Jaakko Iisalo [13] in the form of a simulated screenshot featuring some angry-looking birds with no visible legs or wings. Rovio has begun testing an Android update called the "Bad Piggy Bank" with the Elisa wireless service in Finland and T-Mobile, which allows users to charge in-app purchases, such as the Mighty Eagle, to their mobile phone bills.

In the July , a game update added bird coins that allow players to unlock levels that were previously locked. Angry Birds Valentine's Day Play. On March , the Trophy Room update was released, with 12 new levels that are each unlocked when a player finishes a chapter or collects all 15 of a certain golden fruit.

Retrieved October 26, Angry Birds Huge.