VIA IGN: Ubisoft has announced Rainbow Six: Siege is in development at Ubisoft Montreal, coming in 2015.
The footage shown during the press conference demonstrated an early multiplayer match with one team attempting to rescue a hostage from the opposing forces. Environmental destruction plays a key role in how matches unfold, and it's possible to blast through walls and doors get to your objectives.
Siege's multiplayer is a 5-on-5 competitive game in which the terrorist team fortifies a defensible room the Rainbow operative team breaches. Creative director Xavier Marquis told IGN matches typically last just three minutes. Players who rescue hostages during hostage missions gain additional points, which encourages teams not to simply treat each breach like a death match.
Ubisoft Montreal is using a version of Assassin's Creed's Anvil Next engine called "Scimitar," which has allowed the team to incorporate procedural destruction to its levels. A new technology called Blast Tech has players punching holes in walls, doors, windows, floors, and ceilings with explosives, shotguns, and other destructive gadgets and guns.
Rainbow 6: Patriots was announced back in 2011. It went dark shortly after, and in 2013, Ubisoft told IGN that Rainbow 6: Patriots "had to be remade."
/QUOTE]
Tom Clancy's Rainbow Six Siege is the upcoming installment of the acclaimed first-person shooter franchise developed by the renowned Ubisoft Montreal studio for the new generation of consoles and PC.
Inspired by the reality of counter terrorist operatives across the world, Rainbow Six Siege invites players to master the art of destruction. Intense close quarters confrontations, high lethality, tactics, team play, and explosive action are at the center of the experience. The multiplayer gameplay of Rainbow Six Siege sets a new bar for intense firefights and expert strategy in the rich legacy of past Rainbow Six games.
Counter Terrorist Units
Assume the roles of global counter terrorist operatives, specializing in close-quarters combat, demolition and brutally precise execution of coordinated assaults.
The Siege Gameplay
Breach enemy strongholds with new tactical measures or fortify your own with defensive resources in both sides of sieges, a brand-new mode of assault combat for the Rainbow Six series.
Procedural Destruction
Change the landscape of your assault with an unprecedented level of environmental destruction. Walls can be shattered, and floors and ceilings can be breached. Mastering the element of destruction is the key to victory./QUOTE]
E3 Update 6/15/2015 - New Gameplay Trailers:

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