Never mind that there are already 15 Angry Birds games, Finnish developer Rovio just announced a sequel to Angry Birds. It's called Angry Birds 2.
To date, Rovio has made 12 games in the main series (including a sequel to Angry Birds Star Wars called, wait for it, Angry Birds Star Wars II) and three spin-offs titles. In total, Rovio has racked up three billion downloads.
Angry Birds 2 is slated to hit app stores worldwide on July 30.