The End of the World: Start with a Tin House and Build a War Fortress in Ten Days

[Easy + System + Full Text No Cruelty + Versailles] Fan Cheng, who traveled to a parallel world, encountered a catastrophe, with zombies everywhere and alien beasts running rampant. Danger is imminent, Fan Cheng awakens the Doomsday Fortress system. Facilities for domestic means of production - 300 kilograms of honey are produced in one day. Fortress defense facilities - build a robot and it can be upgraded The fortress power facility - quantum nuclear power generator, guarantees you electricity for 10,000 years. Science and Technology Research Facility - Custom attributes, hosting you to develop new system functions. Human enhancement facilities - being invincible is not a dream. Not only can this system be infinitely upgraded, it can also be infinitely developed with new features. Ten days later, a wave of millions of zombies will arrive, posing a crisis for all mankind. Fan Cheng lives in a war fortress, watching the robot army destroy zombies, eating a feast in his hands, drinking honey, and has everything under control.