Super Nintendo game Nazo no Kremis-tou is an action-adventure game developed by Bandai Namco for the Super Nintendo. It was released in Japan on October 5, 1991 and in North America on November 15, 1991. The game is a sequel to Super Nintendo game Super Donkey Kong, and is the third game in the Donkey Kong series. It is also the final game in the Super Nintendo era. The game features a new, more advanced graphics engine, and is the only Super Nintendo game to use the 8-bit color palette. The player controls Kong as he tries to escape from a research lab run by Dr. K.A.M.B.A. (later revealed to be Dr. Mario) and his evil scientist friends. The game features unique levels, as well as a few unlockable levels. The game is known for its catchy and well-known songs, including 'Asteroid Blues', 'Donkey Kong Jr.', and 'Kong's Theme'.