Single Player, Xbox LIVE Multiplayer 2-4, HD (High Definition). Admit it! You had fun playing the 2 challenges in the free version of Mad Tracks. The full game has a full 15 challenges -- some action packed, some intriguing, some just plain fast. You'll be able to see your name on the leaderboards and compare your Mad Tracks points with your friends. If that’s not enough racing action, the FULL version of Mad Tracks will also seamlessly accept future premium downloadable extension packs with an incredible 30 additional challenges already planned. Find these available for purchase soon on the Xbox LIVE Marketplace! Download the full game now. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.