A whole quid cheaper than the steam sale this week, best price I've seen so far, 15% cheaper if the HOTGAMES promo code works. Main new feature is multiplayer.
BioShock 2 Download Singleplayer Features
Evolution of the Genetically Enhanced Shooter: Innovative advances bring new depth and dimension to each encounter. New elements, such as the ability to dual-wield weapons and Plasmids, allow players to create exciting combinations of punishment.
Return to Rapture: Set approximately 10 years after the events of the original BioShock, the story continues with an epic, more intense journey through one of the most captivating and terrifying fictional worlds ever created.
You are the Big Daddy: Take control of BioShock's signature and iconic symbol by playing as the Big Daddy, and experience the power and raw strength of Rapture's most feared denizens as you battle powerful new enemies.
Continuation of the Award-Winning Narrative: New and unique storytelling devices serve as the vehicle for the continuation of one of gaming's most acclaimed storylines
BioShock 2 Download Multiplayer Features
Genetically Enhanced Multiplayer – Earn experience points during gameplay to earn access to new Weapons, Plasmids and Tonics that can be used to create hundreds of different combinations, allowing players to develop a unique character that caters to their playing style.
Experience Rapture's Civil War– Players will step into the shoes of Rapture citizens and take direct part in the civil war that tore Rapture apart.
See Rapture Before the Fall – Experience Rapture before it was reclaimed by the ocean and engage in combat over iconic environments in locations such as Kashmir Restaurant and Mercury Suites, all of which have been reworked from the ground up for multiplayer.
FPS Veterans Add Their Touch to the Multiplayer Experience – Digital Extremes brings more than 10 years of first person shooter experience including development of award-winning entries in the Unreal® and Unreal Tournament® franchise.