Like a blast of nitro, Group S Challenge pushes high performance circuitracing to the limit with eye popping realism and adrenaline charged action. Group S Challenge makes full use of the power of the XboxTM to produce state-of-the-art polygonal cars and environments, vibrant light sourcing effects, andthe thrill of speed in the ultimate street racing experience. Choose from over 50 turbo charged street machines represented by the world's top auto makers and get ready to dominate the circuit.