Mobigame has released an update to its acclaimed Edge puzzle game adding iPad support and Retina Display graphics for the iPhone 4 and fourth-generation iPod touch. Edge is a unique geometric puzzle game where players must push a cube through a maze-like playing field avoiding obstacles and making use of moving platforms, elevators, and other objects. Players work through 46 distinctive levels each with their own unique challenges. The new version also provides general performance improvements, four new unlockable levels and a new login screen to submit scores on iOS 4 devices. Edge is now a universal app for both iPhone/iPod touch and iPad users and is available from the App Store for $3.