Not the full game of course, but the tower defence mobile version of the Xbox 360 game.
Crackdown 2: Project Sunburst integrates with Bing Maps to use real world locations for the tower defence rounds you play in the game. The mobile game also ties in with the Xbox 360 version of Crackdown 2, allowing you to unlock bonus content on both the Windows Phone 7 version and the Xbox 360.
The game will sell for $US2.99. Other games that hit Windows Phone 7 this week inlcude Game Chest: Logic and Puzzle Quest 2.