Here's a great 3D game for Windows. Your task is to roll your marble around
the on-screen world, picking up rewards and obliterating targets. It's great
fun to play, and uses top-quality graphics. The game should run on all recent
versions of Windows, though be aware it's an 86 MB download.
http://www.techsupportalert.com/content/3d-marble-rolling-game-thats-fun-play-and-free.htm
