Last week's return of The Walking Dead may have seemed a bit slow for die-hard fans: Only a little bit of zombie action, but a lot of yelling among the living. Well, all that changed tonight....
Sky Siege ($3, available now) uses the iPhone 3GS' compass and accelerometers to turn the iPhone into a window rather than just a screen, resulting in startlingly immersive gameplay. Don't know what that means? Just watch this remarkable clip. [iTunes]