The World Has Fallen: My Red Alert Base Can Upgrade Without Limit

Aliens invaded, and civilization was wiped out.

Lu Fan was reborn and returned to the time after the aliens attacked Blue Star, where he acquired a Red Alert base that could be upgraded without limit.

Anything and everything could be upgraded.

Magnetic Power Plant -> Fission Nuclear Power Plant -> Fusion Nuclear Power Plant -> Matter-Antimatter Annihilation Nuclear Power Plant

Nuclear Weapons: Atomic Bomb -> Hydrogen Bomb -> Three-Stage Dirty Bomb -> Neutron Bomb -> Antimatter Annihilation Bomb -> Antigluon Neutralization Bomb

Tesla Coil range: 1 kilometer -> 10 kilometers -> 200 kilometers -> 500 kilometers

Infantry armor -> Iron Man Mark I Armor -> Iron Man Mark III Arc Reactor Armor -> Iron Man Mark V Portable Armor -> -> -> Optimus Prime-Class Heavy Transforming Mech

Patriot Missile Defense System: 160-kilometer range -> 200 kilometers -> 300 kilometers -> 400 kilometers

Lu Fan accidentally increased the range of his anti-aircraft missiles to 10,000 kilometers, letting them attack warships in outer space.

The aliens panicked: "This enemy is vicious! Get the space warships down to Lunar Harbor, quick!"

Tesla Troopers, tes...

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.