Cubivore: Survival of the Fittest is a GameCube game developed by Saru Brunei and published by Nintendo (Japan) and Atlus (America). You take the role of a Cubivore who plans to overtake the king Killer Cubivore who is placed at the top of the foodchain. The goal of the game is to produce offspring, each one being more powerful than the one before it. After going through 100 offspring, the Cubivore will be so powerful that it can finally overtake the king.