Zombie Rising-Doom Squad

After the biochemical radiation, zombies began to spread throughout the world. When the order of the human world collapsed, civilized etiquette disappeared, and the law of the jungle became the only law, how will humans survive?
When you breathe the air full of zombie viruses all day long, when your once charming home becomes an unbearable ruin, when all this happens, it is meaningless to continue to live. Hurry up and take up arms to save humanity and the world...