You can see a full rundown of all the backwards compatibility games here. (techbeepress.com)
Xbox One owners can take advantage of discounts on more than 10 Backward Compatibility games offered during the sale. (nonfictiongaming.com)
Xbox Game Pass is an Xbox One, Xbox Play Anywhere and Xbox 360 backwards compatibility game subscription for Xbox One; an active subscription is required to play games. (electronicfirst.com)