This article present directly the gaming modification on a historiographical and cultural level to demonstrate that the practice can be retraced at the beginning of the video game history. With the works of Olli Sotamaa and Alison Gazzard ont modding communities, this text present these gamers regroupment as important industrial influencers in the inter-episodic space existing between two releases of a series. To demonstrate the mutual influences that can occur between the amateur and professional scene, The Elder Scrolls franchise is presented as a typical example of a game series, but also as one of the largest current modding community.