John Carmack of id Software surprised attendees of QuakeCon today by announcing an iOS version of the developer's upcoming shooter, In addition to running impressively well on the iPhone 4, Rage also plays fine on the iPad and even the original 2G iPhone. id Software is in the process of pulling the title into a game framework with plans to release a "show-off" version for iOS this year and a complete game next year alongside the PC and console versions. An Android edition is still on the table, but it won't happen this cycle.