Half a century after the Red Faction resistance and their Marauder allies freed Mars from the brutal Earth Defense Force, harmony on Mars is again threatened but this time by a lethal force shrouded in mystery. When the massive Terraformer that supplies Mars with its Earth-like air and weather is destroyed, the atmosphere turns to chaos, super-tornados and lightning storms engulf the planet. To survive, the Colonists flee to the underground mines and build a network of habitable caves.
