Set in 2097, most of Earth's kaiju live on an island out in the Pacific Ocean called Godzilla Island, which is monitored by G-Guard. The creatures living on the island include Godzilla, Godzilla Junior, Mothra, Mothra Leo, Rodan, Fire Rodan, King Ghidorah, Mecha-King Ghidorah, Mechagodzilla (the Heisei version), Anguirus, Gigan, Hedorah, Destoroyah, Baragon, King Caesar, Moguera, Megalon, Battra, SpaceGodzilla, Gorosaurus, Kamacuras and Jet Jaguar.