Description
Solar spots erupt, huge meteorites arrive, a catastrophe is about to come, and the terrifying scenes of the Ice Age and the extinction of the dinosaurs are about to reappear.
Wu Di traveled to this world and was about to face the end of the world!
Fortunately, he got the mechanical brain and opened his own shelter system, which can be infinitely upgraded!
Iron door→Mezzanine door→Alloy door→Laser channel...
Crossbow shooting port→small-caliber machine gun→large-caliber machine gun→Thunderstorm machine gun→machine light cannon...
Radiation protection suit → exoskeleton armor → mechanical armor → small mecha → giant mecha...
Crossbow making bench → Gun workbench → Gun making room...
...
(PS: The shelter has unlimited upgrades, a cataclysmic doomsday background, a new book has been opened, please collect
Chapters
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