BioShock Demo Available on Xbox LIVE Marketplace and Trailer

2K Games has announced that a demo for the Xbox 360 for BioShock is now available on Xbox LIVE Marketplace. The BioShock Windows PC demo will be available for download later this month. The game developed by Irrational Games will be released by 2K Games on August 21st, for PC and Xbox 360. A new trailer has been added in our download area.