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

Fallout New Vegas started life as Fallout 3 DLC

I beat New Vegas and its DLCs with 0 kills on Hardcore : r/fnv

Ambitious 'Fallout: New Vegas' releases after 7 years of development

Fallout 3: Game of the Year Edition [UK Version] : Video Games

For $20 you could get Fallout New Vegas and all it's DLC, Or you could get a Paint job for your power armor in fallout 76. : r/gaming

Fallout New Vegas: Honest Hearts on Steam

Fallout 3 - Wikipedia

Fallout 3 - Mothership Zeta on Steam

The Videogame Corner: Fallout 3

Fallout New Vegas®: Lonesome Road™ on Steam

Fallout: New Vegas Is About Letting Go

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