Microsoft is throwing a House Party on Xbox LIVE in February and they are generally bringing numerous new games to the Xbox 360 and Windows Phone 7 starting from the PC classic Torchlight to a 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 intends to kick them back on February 16. Hard Corps Rising may be the first game but no schedule was presented as to if your rest will likely be released. Presumably it will probably be one or two games per week over a month-long period and include some other kind of incentive to obtain all of the games like previous promotions.
These include the games in accordance with a Microsoft pr release.
Xbox Live Arcade: more info
Windows Phone 7: