The majority of big game studios these days prefer to license preexisting engine technology, like Epic Games’ Unreal Engine or Bethesda’s infamous use of the Creation (neé Gamebryo) engine. While you do give up some control over the low-level aspects of your game—and it’s not a silver bullet for technical issues—it’s simpler and easier to

Source: Hot Hardware – Elden Ring Hack Sends Players Into Infinite Death Loops