The 3D Stockcar Screensaver featuring the voices of Jeff Hammond and Kenny Wallace! ScreenRacer is a 3D Racecar screensaver experience like no other! It runs on Microsofts DirectX technology using an advanced physics system to drive the vehicles. Each racecar uses a ridged racing AI system that will keep you glued to your monitor. You will never see the same race twice, because the program is AI driven. This program is a must for any racing fan!