From Eurogamer: “Most people know Pratchett as the author of Discworld, the famous fantasy series about a flat planet balanced on the backs of four elephants. However, what many people don’t know is that the knighted author was also a massive fan of video games – so much so that he actually worked on mods for Oblivion, most of which were spearheaded by a Morrowind modder named Emma.”
Source: N4G PC The story behind the Oblivion mod Terry Pratchett worked on