Fallout: New Vegas Was Originally Going to Be a 'Big Expansion' For Fallout 3 - IGN

Fallout: New Vegas definitely stands on its own as a full game, but it was originally conceptualized as a huge expansion for Fallout 3.

Fallout 3 Game of the Year Edition Review - IGN

Fallout 3 (Collector's Edition)

Fallout: New Vegas - Ultimate Edition (Xbox 360, 2012)

these two games are only 5 years apart is insane! (Imagine if bethesda stuck to a new Fallout every 5 years an how good fallout 5 would look amazing) : r/XboxSeriesX

Obsidian CEO: 'I'd Love to Make Another Fallout Before I Retire' - IGN

Main Quest - Fallout: New Vegas Guide - IGN

Aliens Invade Fallout 3 - IGN

Fallout 3 -- Broken Steel [Articles] - IGN

Fallout: New Vegas (Sony PlayStation 3/PS3, 2010) CASE SLIP COVER ONLY NO GAME ! 93155129061

Fallout 3

GameSpy: Fallout: New Vegas Review - Page 1

Fallout 3 - Wikipedia

FALLOUT NEW VEGAS (PlayStation 3, PS3) New Sealed w/Slipcover 93155129061

Fallout: New Vegas - Dead Money Box Shot for PlayStation 3 - GameFAQs

Aliens Invade Fallout 3 - IGN