The iOS version of Rage is now available for free on the App Store. If you haven't experienced the wonders of idTech 5 on your iPhone or iPod Touch yet, now's the perfect time. And you better hurry up, because this deal is only available for one week.

Unlike the upcoming PC and console versions of Rage, the portable version is strictly on-rails. Still, it's a technically impressive showcase for the Apple platforms.

The iOS release is free as part of a recent Facebook promotion to get 100,000 "Likes" of the upcoming FPS. With the marketing team's needs met, the game can be downloaded for gratis. If you need to know what the mobile version of the game looks like before spending all zero dollars on it, here's a video: