Sky Siege Augmented Reality Warfare Game Turns iPhone Into Deadly Portal to the Heavens

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]

Send an email to Mark Wilson, the author of this post, at mark@gizmodo.com.