Rainbow Six Siege is the hit tactical first-person shooter developed by Ubisoft Montreal. Take a look at the cinematic trailer for Rainbow Six Siege's next big threat, Deimos. When Deimos is in the area, you'll truly have nowhere to hide. Deimos will be fully unveiled alongside the Operation Deadly Omen full reveal coming soon to Rainbow Six Siege.#IGN #Gaming #RainbowSixSiege #OperationDeadlyOmen #Deimos