Game Developer System in a Fantasy World

Monsters roam all over the world, which is why adventurers always have to take risks when facing such creatures, but a wizard from the magic tower discovered a way to create instant Dungeons, and this revolutionized adventurers' training.  Our protagonist, Michael, is reincarnated in this world, accompanied by a game creation system, his games have become famous throughout the world. Elves venture into the magical world with cute creatures called Pokémon. Orcs fight each other in a deadly arena to see who wins in Mortal Kombat. Mages study new ways to use their powers in Hogwarts Lagacy, while warriors challenge themselves in Dark Souls.