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

[Record]: You have spent a total of 18 hours, 52 minutes, and 44 seconds in Liangfang Town's core this time. Your finalized expense is 11.3 days

[Record]: You need to spend an extra 13.9 days this time for the necessary energy support needed for activity in the ruins

[Record]: You have used up 25.2 days in total this time; 604 hours in total

[Record]: It has been detected that the time currency you currently have is enough for payment (104 days). Will you pay?

Just like the last time when he came out from the ruins of time, after he chose to exit, he returned to that mysterious space once again.

In this space, Moore and Oreo—who had initially been leaping around—were now lying unmoving on the ground as if they were unconscious.

Moreover, this time, there were no celebratory sounds to herald making it through the ruins. Instead, there was the emotionless sound of the game panel, asking if he would pay with the currency.

What I Need Is… For Them To Fear Me!