<Tr> <Th> Genre (s) </Th> <Td> Tactical shooter </Td> </Tr> <Tr> <Th> Mode (s) </Th> <Td> Single - player, multiplayer </Td> </Tr> <P> Tom Clancy's Rainbow Six Siege is a tactical shooter video game developed by Ubisoft Montreal and published by Ubisoft . It was released worldwide on December 2015 for Microsoft Windows, PlayStation 4 and Xbox One . The game puts heavy emphasis on environmental destruction and cooperation between players . Players assume control of an attacker or a defender in different gameplay modes such as hostage rescuing and bomb defusing . The title has no campaign, but features a series of short missions that can be played solo . These missions have a loose narrative, focusing on recruits going through training to prepare them for future encounters with the White Masks, a terrorist group that threatens the safety of the world . </P> <P> It is the eleventh entry in the Tom Clancy's Rainbow Six series and the successor to Tom Clancy's Rainbow 6: Patriots, a tactical shooter that had a larger focus on narrative . However, Patriots was eventually cancelled due to its technical shortcomings, and the team decided to reboot the franchise . The team evaluated the core of the Rainbow Six franchise and believed that letting players impersonate the top counter-terrorist operatives around the world suited the game most . To create authentic siege situations, the team consulted actual counter-terrorism units, and looked at real - life examples of sieges . Powered by AnvilNext 2.0, the game also utilizes Ubisoft's RealBlast technology to create destructible environments . </P>

Is there a campaign in rainbow six siege