Gunpei Yokoi is a games producer and designer. Yokoi has been working with Nintendo, Bandai Namco Entertainment, Team NINJA and MercurySteam. Yokoi's first published game was Donkey Kong released in 1981. Next, Gunpei Yokoi worked on Donkey Kong Jr. taking on the role of producer. Later, Yokoi also was part of the team who developed Famicom Detective Club: The Missing Heir (1988) published by Nintendo for Nintendo 3DS, Wii U, Wii and Game Boy Advance. Most recently, Gunpei Yokoi was involved in the development of Kirby's Block Ball. Currently, Yokoi is developing Metroid Prime 4 with Nintendo. The release date is yet to be announced.