Catty Catty Catty

As disaster was about to strike, a group of survivors transmigrated into a desolated world and were challenged to a game of survival. From terrifying acid rains, to endless natural disasters, the heavens burn while the earth scorches, radiation is rampant, and nobody is spared from the dangers of this hellscape. The only way one survives is by building a shelter and slowly upgrading it in hopes of surviving another day. 
Luckily, Su Mo awoke a Doomsday Survival System that allowed him to infinitely level up and upgrade his shelter! The main shelter wooden door can be upgraded into a metal door, which in turn upgrades into a composite gate; the wooden spears can be upgraded into bronze spears, which eventually upgrade all the way into electromagnetic spears... While everyone struggled to survive, Su Mo was fully loaded, and well equipped to dominate the post-apocalyptic world. 
"While some of us are lighting oil lamps, he's been using refrigerators!" 
"The walls in his shelter alone are tens of meters thick, it's the safest place on this planet."
"Before I die, I wish to spend one day in his shelter..."

EndlessFantasy Translation 

My Post-Apocalyptic Shelter Levels Up Infinitely!

LambSheepMutton

"Damn, this snow is too heavy. It's only been a few minutes and the snow on the ground has already accumulated by two centimeters!"

"I will be buried alive by this snow in just one day, let alone three days!"

"My house has just been blown away by the strong wind, and now I can only nest in a hole in the ground. What should I do?"

"Those who can, prioritize avoiding the disaster by hiding underground. Try not to go outdoors. Do not open doors and windows. Please remember to ventilate the room for heating!"

"According to Professor Wang's prediction earlier, the storm will reach its peak in 30 minutes. At present, it is estimated that the most difficult period will last at least six hours based on the prevailing conditions!"

"After passing these six hours, you'll be okay. If you don't, you can only die!"

Amidst Wind And Snow! Oreo’s Awakening