First of all there is a glitch that works like that: when you press the green flag the game might not work, to get rid of it you have to click the green flag a couple of times. The goal of the game is to catch Lego bricks that fall from the sky. to move the Lego box you have to press the right and left arrow keys. you have 5 lives, every time you miss the brick you lose a life.
Blah blah.