Don't forget to Like & Subscribe, Black Ops 3 Nightmares Walkthrough Part 1 Mission ''Hypocenter'''.All New Gameplay as Part of Black Ops 3 NIghtmares Mode PlaythroughReview. br br Call of Duty: Black Ops 3 features a secret mode ''Nightmare'' which you can unlock after the completion of main campaign of Black Ops 3. This is the walkthrough of Nightmares mode of Black Ops 3. br br This walkthrough series of Black Ops 3 include these missions : br Hypocenter br New World br Provocation br Sand Castle br Black ops br Vengeance br In Darkness br Rise & Fall br Demon Within br Lotus Towers br Life br br Subscribe Now : br br Special Note : Thanks for watching my Walkthrough Part 1 of Black Ops 3 Nightmares ModeStory.