Vancouver 2010 - The Official Video Game of the Olympic Winter Games. We're not sure about the gameplay, but the title definitely deserves a medal. Come on, it has the word "game" in it twice. As for the demo, it has a sample of one of the Olympic sim's fourteen different modes, as well as the Landing Zone challenge. If you think your well-trained thumbs are up to the task, the demo can be yours for only 684MB of free space.
Shortcut: Download the Vancouver 2010 [via Xbox.com]