Tom Clancy's Rainbow Six
Tom Clancy's Rainbow Six is a video game franchise published by Ubisoft that is based on American author Tom Clancy's 1998 novel "Rainbow Six". The franchise and its games revolve around the fictional international counter-terrorist unit called "Rainbow". Video games. The first game was developed by Red Storm Entertainment, while the novel was being written. Red Storm was later acquired by Ubisoft, who continues to publish the games, while mobile phone versions of the game are developed and published by Gameloft.