A Game Engine is a software platform that provides the necessary tools to create video games. It includes functions such as graphic rendering, physics simulation, artificial intelligence, and level design. Popular engines like Unity, Unreal Engine, and Frostbite allow developers to optimize the creation process, focusing on creativity without worrying about reinventing the base technology. A good Game Engine not only accelerates production but also ensures that games are visually attractive and technically sound, facilitating the creation of memorable experiences.