Extreme croquet.... Just like regular croquet, only instead of being played on a nice level lawn you try to make the playing field as similar to a U.S. Marine Corps obstacle course as possible. The best naturally occurring playing fields seem to be the "front lawns" of mobile homes in trailer parks. Also, you get extra points for banking shots off of your opponents' shinbones. Full-protection headgear is highly recommended. Commonly played by "teams" of which at least one member is actually an infiltrator from the other side who will, upon his turn, attempt to knock the ball exactly where you don't want it to go.