In the End of the World, I Am Invincible with Dungeons

Detect whether the 150 square meter underground shelter is bound What is the end of the world? Ding, congratulations to the player for killing the first-order black-footed insect and obtaining... Ding, congratulations to the player for killing the first-level red ant and getting... ... The materials have been collected. Do you want to upgrade the level 2 shelter? This planet is my game factory, and any mutant beasts are just my materials. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.