Irrational Games are "winding down"; all but 15 staff laid off [edit: Gamasutra - Bioshock Infinite didn't sell enough]

[chocoloco]

Moving onto to new things seems like a good idea for Levine. It has worked for a lot of others to work under new ideas, rules in principles. The only bad thing might be new Bioshocks from some other less story focused team. Even though this has already happened and I really like Bioshock 2.