Tom Clancy’s Rainbow Six Siege is an online shooter video game developed by Ubisoft Montreal and published by Ubisoft. The first Rainbow Six game was released in 1998. In 2015, Tom Clancy’s Rainbow Six Siege was released worldwide for PlayStation 4, Windows, and Xbox One. In 2020, the game released for PlayStation 5, and Xbox Series X and Series S. Siege is one of the Rainbox Six Series and descendant from Tom Clancy’s Rainbow 6: Patriots.