Energyball

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Turn on the lamps in this cannon game by shooting them with charged energy balls. Note how you first need to hit a wall before hitting the lamp to turn it on. Use the mouse to aim the cannon and click to shoot. Hit the lamps with a charged energy ball from your cannon, to charge the energy ball, you first need to hit a wall. For every level you get a maximum amount of energy balls, complete levels quick and with a low amount of energy balls used to get a better score.