In addition to Microsoft's regular lineup of weekly Deals With Gold offers, the company has also launched a Microsoft Studios Sale. More than 20 Microsoft-published Xbox One games are marked down in the sale, including Halo 5: Guardians, Rise of the Tomb Raider, and Gears of War Ultimate Edition.You can see all of the marked-down Xbox One games in the list below, while the lineup of discounted Xbox 360 titles can be seen here on Microsoft's website.All offers are good until May 9.