Place the mouse cursor on level objects to get more information about them.
Click on a static level ball to boost it. If a loose black ball hits it next, you'll get a bonus plus it'll bounce more. Miss it and it's minus points... Keep the mouse button pressed down for bigger boost.
Right-click game to play full-screen (if available)
1-4 change the speed of the game
T thrusts the balls towards the mouse pointer (costs 100pts)
S buys slow-mo time (costs 25pts)
L displays the global high score list