"Irrational Games, creator of the BioShock series, is effectively shutting down. Cofounder Ken Levine revealed the news in an update on the developer's website today. The industry veteran will start a new endeavor for Irrational Games owner Take-Two Interactive, while all but around 15 staffers will be out of a job. It is unclear how many people Irrational Games employed at its Quincy, Mass. office."