Command & Conquer: Red Alert 3 is a real-time strategy video game developed by EA Los Angeles and published by Electronic Arts. It was released on October 28, 2008 in the United States for Microsoft Windows and October 30, 2008 in Europe. An Xbox 360 version was released on November 11. On January 21, 2009 EA announced Command & Conquer: Red Alert 3 – Ultimate Edition, the PlayStation 3 version which contains additional material was released on March 23, 2009 along with the OS X version by TransGaming. The game is a continuation of the Red Alert games within the Command & Conquer series. Command & Conquer: Red Alert 3 – Uprising, a stand-alone expansion pack, was released for Microsoft Windows in March 2009. It was offered via digital distribution.