Instead of the green flag, its the space key that is used to start the game. When you start the race, alternate pressing the right and left arrow keys. To fire, press g, j, and h. To use your shield, press n and b. Don't waste your shield because you can't reuse it for 10 seconds. after the five seconds pass. Nor should you waste your shots because you can shoot in once in every direction Every 7 secs. After five laps it will say if you won or lost.
I made this game from scratch (Not trying to make the pun) thinking of some racing game to do. With lots of help from my instructors, I managed it