Games like Warhammer 40,000: Dawn of War II - Retribution: The Last Stand

If you finished Warhammer 40,000: Dawn of War II - Retribution: The Last Stand, the closest matches are Age of Empires IV, Planetbase, Star Control: Origins, Polaris Sector and Soldiers: Arena. All 6 share its strategy genre and are ranked by how closely their themes and modes overlap.