The project has gone commercial! - www.moddb.com/games/the-ball The Ball is an indie singleplay action/puzzle game, running on Unreal Engine 3, for PC. The expected release date is spring 2010. The project started out as a mod and has since gone stand alone. Best Singleplay Mod of 2008 according to ModDB MOTY 2008. Five-time first place winner in the UT3 MakeSomethingUnreal Contest. Used by Epic Games' to promote their UDK release.
Uhm, yeah... Coooool =P
What... It is cool!!
I believe it's supposed to be some form of transportation, a seat mounted besides a large drive wheel, using the ball for steering. =P