 The main characters were meant to be simple enough that they could be easily redrawn by children; enemies were designed as non-living objects to make them distinct.Majima's personal interest in modern architecture and industrial design were the driving force behind the visual style of "Opoona" and that the Wii's "clean" and "something new" style overlapped the game's image.Majima's brother Tatuso, a modern artist, planned the locations and landscapes using what he considered to be the most attractive blend of reality and imagination.