Fallout: New Vegas - Old World Blues (2011) Expansion

Expansion for: Fallout: New Vegas
In Old World Blues, the Courier is abducted and unwittingly becomes a lab rat in a science experiment gone awry and discovers how some of the Mojave's mutated creatures and dangerous technology came to exist. Old World Blues takes place in the Pre-War research centers of Big Mountain, known colloquially as "the Big Empty" or "Big MT". The player can also choose to either turn on their kidnappers or join with them to fight an even greater threat. (wikipedia.org)
Game Information
Genres: Action, Role-Playing, Shooter
Platforms: Windows, PS3, Xbox 360
Franchise: Fallout
Developer: Obsidian Entertainment
Publisher: Bethesda Softworks