Board Thread:Future TES Titles/@comment-172.77.223.83-20160223201617/@comment-28693219-20160523114657

Leea wrote: Well, I've been told that they used the Gamebryo engine for quite a while, and that they supposedly built the engine Skyrim uses from scratch just for the game.

If that's true, there might be lots of unlocked potential in this particular game engine that Bethesda didn't explore due to time constraints. They do use a different engine, but it wasn't specifically created for Skyrim, It was used for Fallout 4 as well.