Starting from zero in Doomsday

Read manhua Starting from zero in Doomsday:

Zombies and other monsters start to appear when the world descends into anarchy and the apocalyptic event occurs. Earth is transformed into a game, with humans at the base of the food chain and every other advanced species as their prey. Kong Zhe returned on the day of the apocalypse, having struggled for three years during that time. He learns that he has memories from the past, but as time goes on, he comes to understand that he has more cards than he initially thought.When the end comes, how will he survive?