Global Wasteland: Start from Abandoned Base and Upgrade

[Wooden Fence] → [Stone Wall] → [Sky Barrier] → …
[Arrow Tower] → [Ballista] → [Italian Cannon] → [Heaven-Destroying Cannon]...
[Diesel generator] → [Chemical generator] → [Magnetic generator] → ...
When the crisis comes, the whole nation travels through the doomsday world and faces desperate challenges.
Desperate drought, horrific acid rain, monstrous waves, and meteorites destroying the world...
No one can avoid it!
And what followed were endless zombie attacks.
If humans want to survive, they can only build bases and constantly resist the arrival of wave after wave of crises.
Fortunately, Yue Chi awakened the upgrade system!
As long as there are enough supplies, his base can be upgraded!
An abandoned base can also be turned into a sky city for you!

While everyone was still preparing for the next wave of zombies and natural disasters, Yue Chi had already taken up his weapons, led his army, and prepared to attack!
"Even Yue Shen is living a low-carbon life and taking care of his health, and we're still running around just for a bite to eat!"
"God Yue, please come quickly! I want to live a life like a flying man!!"

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