Ubisoft has announced Tom Clancy's Rainbow Six Siege is in development at Ubisoft Montreal, coming in 2015.

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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 ." For more on Rainbow 6: Patriots' strange history, check out House of Dreams: The Ubisoft Montreal Story Developing...Don't miss a minute of IGN's E3 2014 coverage for the future of everything Xbox, PlayStation, Wii, PC, and more.Tune into the IGN Live show all week long for an extended look at what Microsoft, Sony, EA, and Ubisoft brought to their press conferences, and much more.

Brian is an associate editor at IGN. This is his first E3. You can follow him @albinoalbert on Twitter.