Cubivore: Survival of the Fittest

Cubivore: Survival of the Fittest, known in Japan as Dōbutsu Banchō, is an action-adventure video game developed by Saru Brunei and Intelligent Systems and published by Nintendo for the GameCube. It was released in Japan on February 21, 2002; after Nintendo declined to publish it elsewhere, it was released in North America by Atlus USA on November 5, 2002. Development for Cubivore originally started for the Nintendo 64 with 64DD peripheral, but later was moved to the GameCube. The player controls a cube-shaped beast called a Cubivore, which eats other such beasts in order to mutate and become stronger. The game received mixed reviews upon release.