Use the up and the down arrow keys to move forward or use your brakes, respectively. You can use the left and the right arrow keys to flip and perform stunts while in air. Try to finish each level as fast as you can to earn all 3 stars. You can complete different achievements. This will reward you with coins and points. With points, you can level up, and with coins, you can improve the 4 different stats of each of your characters.