1) Ball game 
SlamBall is a form of basketball played with four trampolines in front of each net and boards around the court edge. The name SlamBall is the trademark of SlamBall, LLC. Professional SlamBall games aired on television with Spike TV for two seasons in 2002–2003, and the POWERade SlamBall Challenge was aired on CSTV, now CBS Sports Network, in 200...