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: New Vegas' 'The Frontier' DLC release date, news and updates: Trailer for new mod hits the net, taken down due to copyright claims

Fallout: New Vegas - Honest Hearts Box Shot for Xbox 360 - GameFAQs

A wonderful day at the first Fallout: New Vegas day : r/falloutnewvegas

Obsidian's Xbox-Exclusive Pentiment Is a 16th Century Mystery Styled Like a Medieval Manuscript

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

The Fundamentals - Fallout: New Vegas Guide - IGN

Obsidian pitched doing a Fallout: New Vegas but for The Elder Scrolls, Bethesda said we're good thanks

Fallout 3 Game of the Year Edition Review - IGN

Fallout 3 (Collector's Edition)