Storyline

Within Robopon Sun, Star, and Moon versions, the player assumes the role of a child named Cody, whose grandpa is retiring and gives him the family business, a Robopon Dispatching Company. Cody travels around Porombo Island collecting Robopon and battling against the "Legend 7", the top-ranked Robopon collectors on the island. Each time Cody successfully beats one of the Legend 7, he takes his or her place in the ranking system.