The series managed to attain this level of fame in the industry after Bethesda acquired the rights to the series and transformed the series into an immersive first-person action RPG in the same vein as The Elder Scrolls, allowing for a level of interactivity with the world that wasn't really possible before. The Fallout series initially started off as a wildly popular CRPG series that definitely had its fair share of fans, but one has to admit that the series wasn't exactly at the epitome of its popularity at that point.