CHANGE IS CONSTANT: Usually, video games start out with a story idea, but Sony's new game started with the main character, Knack, who is made up of 5,000 parts that cluster together and hang in the air to shape its ever-metamorphosing form.
SAVING THE WORLD: "Knack" marks a departure for Sony games' image, more famous for battle and adult action genres. The story-line centers on the journey of a young boy and a scientist battling evil goblins. Knack is their assistant.
MOVING BLOB: The creative director of "Knack," said such a character was chosen because marketing studies showed it would likely have international appeal than one with a specific human look.