Rainbow Six: Raven Shield is the sequel to the immensely popular Tom Clancy's Rainbow Six: Rogue Spear, 2000 Action Game Of The Year, and Tom Clancy's Rainbow Six, 1999 Action Game Of The Year*. It will be the third game in the Rainbow Six line, which has sold more than 6.7 million copies worldwide. a measily 3 new screens, but hey, we'll take it ;)