The Apocalypse Game Has Arrived, and I’m Wiping Out Everything Alone

[No Female Lead, Not a Do-Gooder, Decisive and Ruthless, Invincible Protagonist, Pure Power Fantasy.] A blood moon hangs in the sky, and the apocalypse begins. An unknown game of gods and demons descends upon Earth, bringing with it a class system. Kill zombies to level up, with a chance of obtaining equipment and skills. It is just like a game. Su Bai, a grizzled apocalypse veteran who survived ten years in the end times, miraculously returns to the time before the apocalypse after human civilization is destroyed. Perhaps because he was reborn, Su Bai retains his original class and can choose another one as well. His first class is the Roaming Hunter, a class born for battle and victory, one that hunts all powerful foes to grow stronger. His second class...