PowerDown is inspired by the famous Lights Out puzzle game and has never looked better. Now with a completely new interface,retina HD graphics and 300 new puzzles, taking the total to 350, prepare yourself to mentally meet your match. Features: 350 puzzles On top of the original 50 puzzles there are now 300 new puzzles. All of these new puzzles are delivered on 6x6 grids and include not only the default light switching mode, but also a new X light mode. OpenFeint & Gamecenter PowerDown is OpenFeint Enabled, and GameCenter enabled with 14 achievements. Retina HD Graphics Not only has the interface been designed with the retina display in mind it is also had a makeover from top to bottom to bring to you the best experience possible. Facebook Share PowerDown with your friends and see if they can rise to the challenge Source: The Developer Website.