DescentBB

Check this out

I'm not the best at it, here was my attempt at one of the tracks:

http://www.youtube.com/watch?v=rw2qF1rYyEE

Looks almost as hard as trying to ride the bicycle in those GTA games using a mouse and keyboard!

I like this kind of game. If you use Ubuntu, in the repos we have xmoto. Same principal; your head can't touch anything or you die. Some levels are too hard to do with out a joystick.