2K Games announced that Bioshock, the game in the works at Irrational Games, will hit the store shelves on August 21st 2007 (thanks: Blues). In BioShock, from a first person perspective, we�ll have to explore a bio-lab and fight genetically modified enemies along the way, like drones, predators and soldiers. The AI is said to be very complex, we'll have the chance to upgrade our alter-ego with genetic implants, use weapons like pistols, shotguns, rifles, which can also be upgraded and used to take advantage of each enemies� weaknesses, which can only be discovered if they are photographed with a bio-scanner. The engine used is called Vengeance and is an improved version of the one used in Tribes: Vengeance.