This weeks Xbox LIVE Arcade release is, Lost Cities for 800 MS points.
Single Player, Xbox Live Multiplayer 1-4, HD (High Definition): Discover breath-taking expeditions while exploring the award-winning card game Lost Cities™ as it comes to life on XBox LIVE Arcade. Flip your cards, double up on your investments, and create your own specific strategy to outwit your opponent on the road to victory.