To shoot, select the cannon ball you want to use... Put your cursor in the shooting area, hold your left-click button down, while holding the click down, move your mouse to pull the cannon plunger back, lift off the click button to release the shot.
Get rid of the blue blocks by launching various balls at them, but be careful not to knock the green blocks off the screen. Score enough points to pass each level. Thirty-five cool levels on this shooting strategy, skill and logic game. Your goal is to knock the blue blocks off while keeping the green blocks on.
