I don't know if anyone here has tried this yet, but I stumbled upon it about a week ago and am having an absolute blast.
It's a free racing game called Trackmania Nations...it can be downloaded here:
If you enjoy having fun, I would definitely give it a try...nothing to lose!
I'm currently ranked about #300,000 in the world. Racing against cars from all over the world is a blast. Look for Keetch24 online!