Uninstall the game and any mods currently left behind. The best way to start modding your Fallout: New Vegas is to start fresh. 'Frontier' will soon be available on Steam, but the developers are still fixing some issues. MOD AT A TIME After installing a mod or at the very most 2, run the game for a bit to make sure the mod. As of now, the 'Fallout' mod is only available on Nexus Mods, where you can get the list of recommended add-on tools that you would need, such as the New Vegas Script Extender, New Vegas Script Extender (xNVSE), the 4GB Patcher, Johnny Guitar NVSE, the User Interface Organizer mod, JIP LN NVSE Plugin, the Mod Configuration Menu, and the New Vegas Anti-Crash. 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.