I'm just wondering if anybody has tried something like this before or not. The name of the lvl give's you an idea as what to expect, so just try it out.
http://www.efx-designs.com/files/RollerBall.lvl" target="_blank">RollerBall.lvl
http://www.efx-designs.com/files/RollerBall.lvl" target="_blank">RollerBall.lvl