The End of the World: I Am Crazy About Upgrading and Kill Everything

Introduction: [Decisive killing + invincible flow + building power + hoarding supplies + space + not the Holy Mother] After ten years of experiencing the baptism of the apocalypse, Chu Chen suddenly returned ten days before the apocalypse, and even activated the apocalypse system! Does the system come with its own space? Then stock up on supplies like crazy! Can you level up by killing zombies? Then I won't be number one in the world soon? According to the memories of ten years in the apocalypse, all the top players in the apocalypse rankings will be recruited under your command! "In this life, I will carry the system to fight through the entire apocalypse!"