Ryse Son of Rome is delivered as Steam cd key after your purchase. Ryse Son of Rome activation and installation is done entirely on Steam. Internet connection is required. Ryse Son of Rome tells the story of Marius Titus, a young Roman soldier who witnesses the murder of his family at the hands of barbarian bandits, then travels with the Roman army to Britannia to seek revenge. Buy Ryse Son of Rome and get lost in the depths of history.