Cubivore: Survival of the Fittest is a unique action-adventure video game developed by Saru Brunei and published by Nintendo for the GameCube in 2002. Players control cube-shaped animals in a world where evolution and survival hinge on eating and mating. As these cube animals defeat foes and consume them, they mutate and evolve to gain new abilities. With a distinct art style that embraces a blocky, paper-crafted look, Cubivore explores natural selection through a playful, yet deep game mechanics.