Editorials Black Ops 3: 9 Things to Know After 10 Days Published 10 years ago on 11/17/2015 By Josh Smith <>7 / 9Black Ops 3 SecretsThere are four Call of Duty: Black Ops 3 secrets that allow you to play special modes. Here is what you need to know. There are two special game modes and two Black Ops 3 Nuketown easter eggs. How to Play Dead Ops Arcade II How to Play Nightmare Mode Black Ops Nuketown Easter EggsWe expect to see other Call of Duty: Black Ops 3 secrets come to light in the coming weeks and months. <>7 / 9 Related Topics:Black Ops 3Call of DutyCall of Duty: Black Ops 3 As an Amazon Associate I earn from qualifying purchases.