The hugley popular mobile and desktop game Angry Birds has now turned two years old. Rovio have celebrated by releasing an update that includes new levels and achievements.
Rovio, the software company behind Angry Birds, have recently announced the update, which has been released as a reward for Angry Birds players as a special Happy Birthday update. The new update includes various features such as birthday cake-themed levels, as well as a handful of new achievements.
Angry Birds, since launching in 2009, has had over half a billion downloads on all platforms, including iOS, Android and Mac. These stats alone mean that Angry Birds is the most popular mobile game in history.
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