The Ultramarines Pack adds the iconic Space Marine chapter to Warhammer® 40,000®: Dawn of War® II: Retribution™ with eight unique models for the major multiplayer units as well as new color schemes for the others. The Force Commander is replaced by a Ultramarines Captain complete with roman style helmet and Ultramarines livery, the Tactical Marine squad all sport the iconic Ultramarines white helms and livery. The Dreadnought is decorated with a banner displaying the corpse of a Tyranid creature. Additionally, the Scout Squad, Assault Marine Squad and Terminators all receive similar chapter-specific revisions. The Space Marine vehicles also get a visual makeover with this DLC pack, adding custom designs and emblems to differentiate them from the standard vehicles.
Note that the base game is required, as well as Steam. Learn more here.