Description: [Downloadable Content] Exclusive to Xbox Live, Tomb Raider: Underworld - Lara's Shadow allows gamers to experience Lara's universe from an entirely new perspective; that of the Doppelganger. With faster movement, shadow powers and a melee attack that decimates enemies with devastating accuracy and speed, the Doppelganger opens up all new gameplay mechanics, areas and puzzles which wouldn't be possible while playing as Lara Croft. [Eidos Interactive]