Angry Birds

Angry Birds is a puzzle video game for Mac OS X and iOS and some PC Platforms. It was released on December 11th, 2009 by Rovio Mobile LTD, and so far 12 million copies of the game have been purchased from the Apple App Store, with over 1 billion downloads on all platforms, such as Android and iOS. It's ESRB rating is E for Everyone, and it's Apple rating is 4+.

How to Play
The aim of the game is to fling the birds at the pigs (by pulling the birds back in the slingshot and letting them go) and kill them to unlock new levels, golden eggs, and mighty eagles. A secret is that if you tap the birds while they are in the air they will reveal a special powers. (An example of this would be if you tap the blue bird, it will turn into 3 blue birds. This can be very useful.

Rating in the App Store
Currently, due to Angry Birds receiving positive reviews and has over 1 billion downloads, it normally ranks at the Top 10 in the Top Charts in the App Store.

Anbry Birds mostly receives very positive reviews, although some users complain about its heavily use of advertisements, its new design, etc.