Ironclad released their first game, Sins of a Solar Empire on February 4, 2008, a game that features a mix of components from real-time strategy and 4X strategy games. Approximately a year after the initial release of Sins of a Solar Empire they then went on to release the Entrenchment expansion on February 11, 2009. The second expansion pack for Sins of a Solar Empire, titled Diplomacy, was released on February 9, 2010. On February 21, 2012, they announced Sins of a Dark Age, a multiplayer online battle arena game set in a pre-war fantasy environment. A standalone expansion pack called Rebellion, was also released for Sins of a Solar Empire on June 12, 2012.