11 Oct 2011
11 Oct 2011 - PC (Microsoft Windows)
11 Oct 2011 - Mac
11 Oct 2011 - Xbox 360
11 Oct 2011 - PlayStation 3
Mark of the Assassin is the final piece of story-driven downloadable content for Dragon Age II. It can be played at any time after reaching Kirkwall in the main campaign, though it takes place before the events of the game ending.