Design director Jonathan Biddle explained the evolution of the concept to Joystiq. "Early on, we were pursuing a more scientific presentational style that focused on teaching the science of water," he said. "We liked the idea that the game was an interactive school book from the future that taught you by letting you play it. As the game dropped its scientific slant, we retained the book presentation – since we still thought it was fresh - but took it in a much more colorful direction." That direction now involves guiding a small amount of water through the landscape of the book, picking up "Rainbow Drops" and clearing away the evil Influence -- an ink spill.