The End of the World Is Coming, Build a Protective City at the Beginning

Explosive troops + base + system + decisive killing + war A cataclysm caused biological mutations around the world, and creatures that once only existed in fantasy came to the world one after another. At this critical moment, young Su Xing accidentally obtained the war system! At the beginning, you will get a sheltered city, which can summon millions of soldiers, and build aircraft and cannons! However, the cruelty of the apocalypse still taught him a good lesson. Let's see how Su Xing controls the world in the last days and turns the tide! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.