The game was released on February 4, 2008, receiving positive reviews and multiple awards from the gaming press.[4][5][6][7] Its first content expansion, titled Entrenchment, was released as a download on February 25, 2009, and its second content expansion, titled Diplomacy, was released as a download on February 9, 2010. A package combining the original game with the first two expansions was released at that time, with the title Sins of a Solar Empire: Trinity.[8] A third expansion, the stand-alone Rebellion, was released in June 2012.[9]