Square Enix on Monday announced Final Fantasy XIII for Xbox 360 to simultaneously release with the PS3 version.
While attending the Microsoft Media Briefing today, Square confirmed that Final Fantasy XIII would be coming to Xbox 360 "at launch," at the same time as the PS3 version.
A new trailer was shown, with similar footage featured in a previously released PS3 trailer.
No other details were announced, but Square Enix is currently holding their own press conference. We'll update as we learn more.