put your mouse in the red center circle so you don't crash immediately. p to pause/play move your mouse to steer. too high, then your instruments get messed up. to low (yellow line) you crash. you will hear a siren, then you are doing something dangerous and you should check your instruments to see what. yes, you can barrel roll, but It won't do you much good. z for guns and x for rockets. space to shoot. the targeting system for the rockets requires the target to be visible, and for guns, the center circle must be green and pointed at the target.