Machine Warfare: Ancient Weapons

[Mecha + Doomsday + Battleship + Behemoth] Federation Year 188, the Earth's sphere was in unprecedented turmoil, and humans discovered intelligent life forms outside the solar system. In Federation year 189, a war broke out between the forces of Earth, Mars, Jupiter, and alien life forms, called the "L4" battle! In Federation 190, the federal government's secret "god creation plan" was leaked, causing the super virus to go out of control and the earth's ecological chain to collapse! In Federation 191, in order to save the last human beings in the Earth's circle, the federal government officially launched a project called "AOX"...