Square Enix and Eidos have released a few hours ago on Xbox Live Marketplace the last of the Summer of Arcade Live Arcade 2010:
Lara Croft and the Guardian of Light. You can append as always download from
the web at a cost of 1200 Microsoft Points going to occupy about 2GB of space on your hard drive. Please note that the developer will then download to everyone, but only for thirty days, the first of five additional content planned for the title. Good download.