After your plane crashes into icy uncharted waters, you discover a rusted bathysphere and descend into Rapture, a city hidden beneath the sea. Constructed as an idealistic society for a hand picked group of scientists, artists and industrialists, the idealism is no more. Now the city is littered with corpses, wildly powerful guardians roam the corridors as little girls loot the dead, and genetically mutated citizens ambush you at every turn.

"Over the next six months, gamers will be hit with a barrage of highly-anticipated titles," said Gabe Newell, president and co-founder of Valve. "The lion's share of these great new releases will be PC games. And with the gameplay and graphic innovations featured in BioShock, it promises to be one of the most important games released in 2007."

“BioShock is a highly anticipated, award-winning title that we are proud to make available immediately to gaming enthusiasts on Direct2Drive,” said Jamie Berger, SVP Consumer Products & Technology for IGN Entertainment. “This is an incredible title to add to our leading library of content and we’re excited to make it available to gamers online on the same day and date that they can buy it in retail stores.”

Operating Systems:

• Windows XP (with Service Pack 2) or Windows Vista
• Minimum System Requirements:
• CPU: Pentium 4 2.4GHz Single Core processor
• System RAM: 1GB
• Video Card: Direct X 9.0c compliant video card with 128MB RAM (NVIDIA 6600 or better/ATI X1300 or better, excluding ATI X1550).
• Sound Card: 100% direct X 9.0c compatible sound card
• Hard disc space: 8GB free space
• Recommended System Requirements:
• CPU: Intel Core 2 Duo processor
• System RAM: 2GB
• Video card: DX9: Direct X 9.0c compliant video card with 512MB RAM (NVIDIA GeForce 7900 GT or better). DX10: NVIDIA GeForce 8600 or better
• Sound Card: Sound Blaster X-Fi series (Optimized for use with Creative Labs EAX ADVANCED HD 4.0 or EAX ADVANCED HD 5.0 compatible sound cards)

Important Note: Game requires Internet connection for activation.

Features :

• Take control of your world by hacking mechanical devices, commandeering security turrets and crafting unique items critical to your very survival.
• Upgrade your weapons with ionic gels, explosives and toxins to customize them to the enemy and environment.
• Genetically modify your body through dozens of Plasmid Stations scattered throughout the city, empowering you with fantastic and often grotesque abilities.
• Explore a living world powered by Ecological A.I., where the inhabitants have interesting and consequential relationships with one another that impact your gameplay experience.
• Experience truly next generation graphics that vividly illustrate the forlorn art deco city, highlighted by the most detailed and realistic water effects ever developed in a video game.
• Make meaningful choices and mature decisions, ultimately culminating in the grand question: do you exploit the innocent survivors of Rapture…or save them?

BioShock is developed for the Xbox 360 and PC and will be released in North America on August 21, 2007 and internationally on August 24, 2007.