Energyball

[aadbaard]

Turn on lamps by shooting them with your energy ball. The trick is you first need to hit a wall to activate the ball before hitting a lamp. Use the mouse to aim and shoot. Move your mouse further away from the cannon for a more powerful shot.

http://www.hairygames.com/play-energyball.html

[Yvonne]

Took me a few tries to get the hang of it
Too many levels for my patience but nice game