PS3 owners who are desperatly waiting to play Bioshock will get a little taste of the action very soon. According to official word from 2K Games, Bioshock has officially gone gold and will be releasing a demo this Thursday in the Playstation Store. The full game hits retail in North America on October 21st and goes global on October 17th. Note that there are really no changes from the 360 version to the PS3, except graphics wise.