Free for XBox Live Gold subscribers.
From the website:
Rainbow Studios returns to its heritage to bring the definitive next-generation off-road game to life. Featuring enormous free world environments and an extensive racing career mode, MX Unleashed is one big off-road playground. If you want more intense action, battle it out with a monster truck, helicopter, or bi-plane!
Enjoy!
But does it have a motocross madness wall of death?? that was the best