The game released on April 29 for Xbox 360 and PS3, selling 6 million units globally in its first week, generating over $500 million at retail.
Take-Two also said that BioShock, launched in late August 2007 on Xbox 360 and PC, has shipped over 2.2 million. The publisher is at work on a version for PS3, due this year, as well as a sequel. A BioShock movie by Pirates of the Caribbean director Gore Verbinski is also under development.