Fallout New Vegas started life as Fallout 3 DLC

Bethesda was too busy with Skyrim to work on Fallout New Vegas, so turned it into a full game and gave it to Obsidian

Sierra Madre Broadcast, Fallout Wiki

An Evaluation of Fallout New Vegas' DLC

Fallout: New Vegas - Wikipedia

My ranking of the DLCs in different scales : r/falloutnewvegas

What is the best DLC for Fallout: New Vegas? - Quora

Fallout: New Vegas - Playstation 3 : Everything Else

Fallout New Vegas®: Lonesome Road™ on Steam

With the introduction of the Ultimate Edition, Bethesda Softworks offers you the chance to double-down and get the complete package of New Vegas fun.

Fallout: New Vegas Ultimate Edition - Xbox 360

Today's free game: Fallout: New Vegas - Ultimate Edition : r/EpicGamesPC

Fallout: New Vegas - Ultimate Edition (PS3) : Movies & TV

Fallout 3 and Fallout: New Vegas Join the PS Now Library – PlayStation.Blog

Fallout: New Vegas — The Greatest Role-Playing Game of All Time, by Sullyhogs