Tom Clancy's Rainbow Six Siege - Advanced Edition [Xbox One]Tom Clancy's Rainbow Six Siege from Ubisoft for the Microsoft Xbox One is an intense, new approach to the tactical first person shooter experience. Choose from a variety of unique Counter Terrorist Operators and master their abilities as you lead your team through tense, thrilling, and destructive team based combat. Change the rules of Siege with every update that includes new operators, weapons, gadgets and maps! Five versus five, attack versus