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

<p>"White Highlands, coordinates 55°E, 24°W. Those who understand, our gathering place goes by the code name 'Berserker'. We are recruiting fighters with outstanding combat abilities. You won't need to bring your own rations or weapon, and you aren't required to provide any resources at all. As long as you pass our tests, we will be able to provide housing, weapons, food, and even women for you!"</p>

<p>"Looking to exchange moonlight grass in large quantities for any materials, including food, weapon, technological items, guns, and ammunition. Those who are interested in trading, please go to channel 411! We're willing to do door-to-door service if you're nearby!"</p>

Matrix Operation, the Relics of Our "Own Race"!