We got a quick note from our pals over at Steam who let us know that the game sale of the weekend is Call of Duty 4: Modern Warfare...

Call of Duty 4: Modern Warfare is one of the best selling and most critically acclaimed PC titles of all time. This weekend on Steam, it’s available at its lowest price of all time -- 40% off its regular price. For more information, please visit www.steamgames.com