I can't say how excited we are that a game we designed won this award. It was a pleasure to work on, and a pleasure to work with ngmoco yet again.
From http://developer.apple.com/wwdc/ada/
Topple 2 is an ideal model for excellent iPhone game and game sequel design, technology adoption, performance, connectedness, and localization.Topple 2 combines the features of multitouch and the accelerometer to create a game about stacking blocks and keeping them from toppling over. Local WiFi multiplayer mode enables game play between two players, and a challenge mode where recorded sessions can be sent to others players via email, twitter or facebook. Localized for English, French, German, Japanese, and Spanish, Topple 2 uses multiple iPhone SDK technologies including UIKit, OpenGL ES, Bonjour, CFNetwork, Multi-Touch, Accelerometer, Email, and Twitter and Facebook integration.