Rust: Crush the Zerg and Become World Domination

Apocalypse-War-Zerg-Unconventional System-Civilization Screening In 2149, the cosmic civilization screen came. The first-level Zerg were forcibly released on Blue Star. Human civilization collapsed overnight, 90% of the population was extinct, and the only survivors lingered in the ruins. Qin Rui, a Rust War anchor, awakened to the system of the same name in despair. [Energy converter: 3 energy per second → can be upgraded] [Can be summoned: Predator Warrior, Red Blade Fighter, Black Pearl Terminal...] [Unlocked in D2 stage: Inquisitor Mecha, Missile Space Carrier] [The third stage: KTV-74 Sky Gray Air and Space Battleship] The system's arms are 100% loyal. There is no need to eat or drink, no physical limitations, and equipment will never wear out. Death in battle will turn into a point of light, leaving no future troubles. Only Qin Rui himself is still an ordinary person who needs to eat, drink, poop, suffer pain and die. Others are struggling to survive in the last days and snatching scraps. Qin Rui has relied on the game to understand, rush troops, operations, clearing, and expansion. From a small team to the Iron Legion; From a bunker to the only safe zone for humans. Zerg infestation? Directly wash the land with battleships. Human infighting? Sweep and unify with one click. The rules of the universe make way for me! What about cosmic sifting? I, Qin Rui, will use the Rust Legion as my blade to overthrow the Zerg main nest, lead mankind, and live to be the sole master of this planet! This system is nothing but a relic of my era!