Google's latest time-sink is apparently inspired by "the spirit of innovation" shown at its annual I/O developer conference -- while not-to-subtly promoting it at the same time. The HTML5 game offers a blank canvas for you to clog up experiment with sliders, swingers and flippers, with the largely unimportant goal of getting the ball from one side to the other. Google says it'll even feature some of the more epic creations at this year's conference. Channel your inner Rube Goldberg at the source below.