The file is typically the compressed archive for Tale of Two Wastelands (TTW) , a massive total conversion mod for Fallout: New Vegas . This mod merges the entire world and story of Fallout 3 into the more advanced Fallout: New Vegas engine, allowing you to play both games with the same character. Quick Breakdown of TTW
: Point the installer to your Fallout 3 and New Vegas directories. Choose an output folder (outside of "Program Files" to avoid permission issues). ttw.rar
If you have downloaded this archive, follow these general steps: The file is typically the compressed archive for