Seeking the title of a novel, Doomsday Stream

The main character has the skill Plants vs Zombies, surviving in the apocalypse with zombies and mutated animals.
[Plot 1: The protagonist has the ability to guard the rooftop and save a few survivors. However, his lair is occupied later. The door of the protagonist's lair is made of plants. It can turn into an ordinary curtain or become as hard as iron. It is very impressive.]
[Plot 2: The protagonist escorts a few survivors to the base. On the way, they meet two mutated cows and fight them to the death.]
Plot 3: The protagonist went to get a few carts of supplies, but the supplies were at the back of a tunnel. He needed to pass through the tunnel to return, but the tunnel was blocked by many cars. The protagonist used the ability of Plants vs Zombies, Chili, to directly open the tunnel. It was very powerful.
Plot 4: The protagonist didn't go to the survivor base, but dug a large cave at the edge of the survivor base.
[Plot 5: The main character went to Beijing when the base was almost completed. I didn't watch it after that.]
He remembered that in the beginning, the protagonist saved a few survivors and then survived on the rooftop. The protagonist's system used the rooftop as a base and could plant plants around it. Moreover, the system had an artificial intelligence. There was a segment where the protagonist brought the survivors to build a simple house to install heating.
Later on, when the main character's base had the opportunity to move, he moved to a survivor base and found a mine or something like that as a base.

Answer 1

The name of the novel was Doomsday Blade.