That quartet includes the brilliant BioShock Infinite, which skyhooks down to $40. Take a Hamilton out of that and you get today's tags of $30 for Gears of War: Judgment and Metal Gear Rising. Also representing the class of 2013 is Tomb Raider, an absolute steal at $20.
Making up the rest of today's deals are Hitman: Absolution and XCOM: Enemy Unknown. The former is just $10, while Joystiq's No.2 game of 2012 is certainly worth a gander at $20.
As for the week-long deals, you've got until July 8 to get down and get with. Red Alert 3 is one of the inclusions at $5, surely enough excuse to link this video, if only for George Takei and that line. As for the other ten, report to Major Nelson for the full list of deals.