Create a Prehistoric Game in a Fantasy World

The protagonist travels to a world where various fantasy worlds are integrated, and obtains the "Game Creation System". The game he creates, when players reach a certain level, can bring their abilities into reality. And becoming stronger in the game will also make it stronger in reality. Later, relying on his understanding of the myths of the prehistoric past, he created the game "Mythical Prehistoric" with the prehistoric era as the game background. The more people who enter, the more achievement points they get, which can be exchanged for some treasures and become stronger in the fantasy world... From then on, a situation like this appeared in the fantasy world. The day before, I was still being chased. I entered the cave to get the game login device, and a few days later I killed the enemy! One day his qualifications were mediocre, but a few days later he became a genius! One day he was a poor scholar, and a few days later he became a deadly scholar! And get powerful cultivation techniques! Since then, there have been many strong counterattacks in the fantasy world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.