Local Multiplayer 2-4, Xbox LIVE Multiplayer 2-4, HD (High Definition). Upgrade to the full version of CrazyMouse and unlock all 32 single-player stages. You’ll also get 16 multiplayer maps for cooperative or competitive play, ranked matches via Xbox LIVE, leaderboards, achievements, and more! There are no refunds for this item. For more information, see www.xbox.com/live/accounts.