NFS Underground is an arcade game on www.flash-game.net in which you will experience a real high-speed racing on the street. If you are good at driving a car, you will have good result in this game and have fun. Once it begins, you will see a green screen on which there has a cool car. Space key means gas. If you want to be more excited and have higher speed, you can press it. Up and down arrow keys separately mean lower gear and higher gear. When the street light becomes to green, you can speed up. You can see that the houses which are standing on the street are all running to you back. You will see how fast you are driving. There have some obstacles on the street; you have to shift the gear in order to let the car go through.