We inform you that are available on two new Live Arcade Marketplace: Gotham City Impostors , the only multiplayer shooter of Monolith set in the world of Batman, and the action game by Klei Entertainment Shank 2 . The first ( WebLink ) costs 1200 Microsoft points and weighs 1.91 GB while the second ( WebLink ) 800 MP and deal with 1.21 GB of your hard disk.