Microsoft is throwing a House Party on Xbox LIVE in February and they're bringing several new games to both Xbox 360 and Windows Phone 7 between the PC classic Torchlight in an HD remake of Beyond Good and Evil and also Hard Corps Uprising.
The announcement of the House Party promotion came following the Microsoft CES keynote with offers to kick it well on February 16. Hard Corps Rising would be the first game but no schedule was presented as to if the rest will probably be released. Presumably it will likely get more info be one or two games every week over a month-long period and include some other kind of incentive to get all of the games like previous promotions.
These include the games as outlined by a Microsoft blog post.
Xbox Live Arcade:
Windows Phone 7: