Element Quest, a puzzle game, is free on www.flash-game.net. In this game, your goal is to swap the approaching balls. Move the mouse to target and left click to shoot balls out. The balls you shot will make those balls of the same color disappeared. Once there is a ball of the same color with the ball you shoot in the sequence, you can swap them. At the beginning, you have 30 minutes. Time decreases as the game goes on. So, move fast!