Xbox Live Gold subscribers will be able to download Super Dungeon Bros for the entire month of November and Murdered: Soul Suspect from November 16 to December 15.
Both Xbox One and Xbox 360 owners will also be able to download The Secret of Monkey Island Special Edition from November 1 through November 15 and the standalone DLC Far Cry 3 Blood Dragon from November 16 through November 30.
Super Dungeon Bros is a cooperative action adventure game that is also releasing on November 1.
Murdered: Soul Suspect is a mystery/suspense game in which you play a ghost trying to solve a series of murders. I have actually played it in the past and it's an easy 1000 gamerscore if that's something that you care about.
The Secret of Monkey Island Special Edition is a full remake of the classic game point-and-click adventure game originally released in 1990. The PC version has an "overwhelmingly positive" rating on Steam.
Far Cry 3 Blood Dragon is a standalone DLC for the 2012 game. It's a bit off the rails...