Earth has been devastated by thousands of years of human exploitation. The salvation of mankind lies millions of miles away, in the Martian tundra. Four factions fight for the future… Terrans: The remnants of the global Earth Defense Force, the Terrans are making a last stand for democracy. Kahoum: An ancient cabal that has kept their existence secret, the Kahoum have mastered psychic forces and chosen this time to emerge from the shadows. Colossus: A renegade team of underpaid engineers retreated to a secret lab to create the ultimate fighting machine: The Colossus. It dwarfs skyscrapers, and is the equal of an entire army. Xenos: The original inhabitants of Mars, they have lain in dormant hibernation for millennia. Now human terraforming has awakened them from their slumber, and they will not give up their planet without a fight. Lead one of these four unique sides in fast-paced, card-driven action. Build your forces, upgrade them with advanced technologies, and launch them into battle.