It's 500 years in the future. Man and machine are virtually one, and the greatest megacity in the world is locked in a brutal war. Mammoth, biomechanical monsters tear at the sky, and the earth shakes with the full fury of a brutal battle. These are the warriors of the future, when war escalates to massive proportions, and immense power of destruction engulfs the streets. Harness the power, make a difference. Take control. Become Slave Zero!