Move the mouse left and right to move the blue rectangle left and right. The green ball will move up, down, left and right. If it gets below the red line, you lose. Bounce the ball off the blue rectangle and into the red squares to smash them. Once you have smashed all the squares, you win.
Credit to 20 Games to Create With Scratch by Max Waineright for most of the programming. I also took the background image!