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

"Next, I will have to send someone here, but as the person in charge, there is one thing you have to remember at all times.

"No one is allowed to touch these heads without wearing complete protective gear!

"If someone touches them without authorization, no matter if they got bitten or not, then this iron door must be shut until I return to check the situation. Remember, there won't be any exceptions!

Su Mo repeatedly warned Li Li as they walked out of the room with the zombies and closed the protective door outside, leaving only a small window to observe the inside.

"Don't worry, shelter lord! I've been managing the place well. There won't be any accidents!"

Feeling Su Mo's solemnity, Li Li did not dare to take it lightly and repeatedly nodded to show that he would remember it clearly.

Big Surprise, the Mysterious Adventurer!