News Via IGN

Namco sent along quick word today that everybody's favorite diminutive royal figure, Katamari Damacy's Prince, will appear as an unlockable character in Pac-Man World Rally.

Players can unlock the Prince by winning a Gold Trophy in all Circuit Cups within the "Easy" difficulty setting.

The Prince is one of a dozen playable characters in the upcoming kart racer, currently set for release this summer on PlayStation 2, PSP, GameCube, and PC.

Lots of screenshots at the link above