Hard sci-fi + Nantianmen Project + interstellar war + protecting civilization + apocalypse + becoming a god of the universe + black technology + patriotic fiction + nonstop thrills
Star Devourers, guardians of the lunar core, builders, engineers, the Guixu Civilization...
When dimensional weapons arrive, Earth enters the two-dimensional age.
Seek the universe’s Guixu, enter a two-dimensional world, and release the data of life.
Chengying mechs, seed ships, the Pioneer spacecraft.
How can human civilization turn its fate around?
Also known as:
Reborn to Build Mechs: I Am Humanity’s Savior
Starcore Mechs: Invincible Since the Zhoushan Base
Three Years Before the Apocalypse, I Built an Interstellar Weapon
Reborn and Activated the Nantianmen Project: Humanity Wins Big
Wonderful, unexpected, read it in one sitting