The world in 2567, everything is gradually drying up! Humans also gradually disappear and are at risk of being destroyed by the invasion of alien forces. The Earth over many years has accumulated into an energy core and that is the source of life on Earth. The alien forces are looking for and seizing it. Some scientists have connected with the soul of the Earth and invented mechanical brains, they put them into high-tech tanks. Therefore, the tanks are awakened and accompany the warriors chosen by the Earth to protect the Earth and life. You are a warrior of the Earth, Go and protect the Planet!