You are the gun at the bottom of the screen. Use left and right arrow keys to move and space to shoot. Try to hit the balls for points. The targets get harder to hit the further you go. Press m to reset back to the Intro. Press b to skip the intro. Push c to start the game. If you get the Highest Score by March 20 you get a favorite on a project of your choice.
I did this mostly by myself with help from my brother. Check out a tutorial that I did http://scratch.mit.edu/projects/40381586/ If you get the Highest Score by March 20 you get a favorite on a project of your choice. My highest score is 69.