The second package of DLC for Borderlands - Mad Moxxi's Underdome Riot - comes to Xbox Live on Tuesday. But why are you looking for new games this week anyway?
This week's count: three for Xbox 360; two for Wii and DS; one for PC.
Monday (Dec. 28)
Four Player Tangerine Fight (360)
The Magic Obelisk (Wii)
Tuesday (Dec. 29)
Borderlands: Mad Moxxi's Underdome Riot (360)
Learn Chess (DS)
Thursday (Dec. 31)
Learn Geography (DS)
World Party Games (Wii)