Quake3 on iTouch

Well, hot on the heels of my post about a middleware provider porting its 3D engine to the iPhone/iPod touch platform (let's call it iTouch), here's a funky homebrew port of Quake3 to the iTouch.
Not that it seems the best way to play Quake to have to tilt the whole screen to move around, but it sure is a testimony to the gaming potential of the platform... Check out the gameplay video below: