Ubisoft today announced that Tom Clancy's Rainbow Six 4 (working title), will now be officially titled Tom Clancy's Rainbow Six: Lockdown. The game is being developed by two of Ubisoft's award-winning studios: Red Storm Entertainment, the maker of the original Rainbow Six, & Ubisoft's Montreal Studio. For continuous up-to-date news on Rainbow Six: Lockdown, visit the teaser website at: http://www.rainbowsixgame.com.

In Rainbow Six: Lockdown, players lead Team Rainbow, the world's most elite counter-terrorist unit, as they are called into action and dispatched into unfamiliar territory to battle a bioterrorist threat. Stakes escalate as they are personally targeted by an evil terrorist organization. Used to protecting the lives of others, Team Rainbow must now embark on a mission to fight and save some of their own.

Rainbow Six: Lockdown will build on the ingredients that have made the Rainbow Six franchise a runaway success, and will introduce a new single-player experience with a personal, darker storyline, state-of-the-art equipment, and offer gamers the chance to play as two members of Team Rainbow.

Multiplayer modes will return with enhanced features. Additionally, PlayStation 2 and Xbox versions will get new & amazing exclusive modes that will bring the multiplayer experience to a further level of excellence.