Description: The Starcraft saga continues... It is a time of profound strife. The Argus stone, an ancient artifact of immense power, has been unearthed on the Terran world of Aridas. The warring Terran, Protoss and Zerg forces have descended upon the planet in a quest for possession of the omnipotent weapon. Guide your race into battle, secure the Argus stone, and attain galactic domination. Retribution will push your strategic skills to the outer limits. Choose your tactics wisely - there are no second chance in this battle for cosmic conquest.