Master Of Olympus: Zeus W/ Poseidon Exp. For Windows 95/98/ME/2000 Includes Zeus Master of Olympus and Poseidon Expansion in One Package! Master of Olympus, set in a mythological ancient Greece, serves up a world filled with the likes of Hercules, Athena, Ares, Medusa, the Minotaur Poseidon Expansion - Return to ancient Greece and rule Atlantis as described by Plato!