Tom Clancy's Rainbow Six: Rogue Spear is a 1999 tactical first-person shooter video game developed and published by Red Storm Entertainment for Microsoft Windows with later ports for the Dreamcast Mac OS PlayStation and Game Boy Advance. The sequel to 1998's Tom Clancy's Rainbow Six it is the second installment in the Rainbow Six series and the last to be published by Red Storm before its acquisition by Ubi Soft in 2000. The game's plot follows the secret international counterterrorist organization Rainbow as they investigate nuclear terrorism in Eastern Europe.