Underground racing is a nice way to pass the time. Yes, it's illegal, but that's why playing games like this will add to the fun of it, because then you aren't risking incarceration just for some racing fun. You will have to use your shifting skills to perform well in this game. You can hit your nitros oxide with the 'N' key. To hit the gas, use the space bar. In order to shift, which you will have to do, you will use the up and down arrow keys according to which direction you are shifting. Get in there and have some underground fun in this exciting racing game.