In the distant regions of our galaxy far beyond the dark limits of the Orion Nebula, a deadly force has been unleashed upon the universe, and is heading straight for Earth. Your Mission - to travel across light-years of uncharted space, to defend the destiny of mankind. With IRIDION 3D, battle against legions of Iridion star cruisers high above the Earth's stratosphere, and travel half a universe away to the heart of the IRIDION Star System, where only you can eliminate the Iridion menace.