On the prehistoric earth, after millions of years of evolution, humans have been able to use fire and some simple tools, and can use animal skins to make clothes and rough accessories. They have moved from trees and caves to shacks made of withered grass, branches and leaves, and formed the most primitive tribes. Some changes have occurred in social forms, and the concept of family has begun to form.
On a sunny afternoon, a fleet flew from the depths of the Centauri Nebula four light-years away and gathered in low-Earth orbit. They were a group of advanced civilization creatures. They were playing a game, a gamble. They randomly found a planet with a lower civilization and transmitted advanced civilization skills to two small groups of creatures! Then place bets to see whose character can destroy the opponent in the end.
Concept: How did human civilization form and develop?