Trial of the gods

In a world where gods have grown bored, Earth becomes their new  form of entertainment  One day, the world changed. Monsters appeared, cities fell, and a strange system forced humans to fight to survive. while everyone else panics, our mc Kyle realizes its just like a game. And he knows how to play. But as he grows stronger, he realizes it's more then a game... because power is everything and the gods watching don't care who lives and who dies.