Originally Posted by
Todd Howard
We've always used a lot of our own stuff, mixed with other middleware that we liked. Coming off of Fallout 3, we made a pretty big list of what we wanted to change technically. So we redid the rendering, lighting, shadows, animation, faces, foliage, mountains, scripting, interface and more. And by the time we got through it all, it was clear the technology was new enough to give it its own name, The Creation Engine. Same with our editor, The Creation Kit. They go together as technology.