In the distant regions of our galaxy, far beyond the darkest limits of the Orion Nebula, a deadly force has bee 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.