The mod's developers believe that even the oldest fans of the classic Obsidian Entertainment and Bethesda title will enjoy. What You Need for 'Fallout: New Vegas' Frontier Mod 'The Frontier' is by far the biggest and most expansive mod ever created not just for 'Fallout: New Vegas' but for the entire franchise. After seven years in development, 'The Frontier' mod for 'Fallout: New Vegas' has been launch, adding a game's worth of new content with a new storyline, three main questlines, 60+ side quests, and over 60 hours of gameplay with a unique feature: driveable vehicles.