Godzilla: Save the Earth

Save the Earth takes place two years after Godzilla: Destroy All Monsters Melee. The story involves mankind getting hold of Godzilla's DNA, known in the game as "G-Cells." The Vortaak learn of this, once again returning to Earth, controlling a vast army of monsters, including their ultimate weapon: SpaceGodzilla. The player faces down many controlled monsters in different locations. (wiki)