Call of Duty: Black Ops 3 recently released on November 6th across all platforms worldwide. If you’re a fan of the campaigns in Call of Duty and a fan of zombies, you’re sure in for a treat with this Easter Egg. Once you beat the campaign in Black Ops 3, you’ll unlock the all new “Nightmares” mode. This mode will have you run the campaign again, but this time…with zombies. That’s right. You’ll play through an entirely new campaign with zombies included. The story will feature new characters and a new narrative to coincide with the army of the undead you will face.
On top of the new “Nightmares” mode, Treyarch also confirmed a “Dead Ops Arcade” Easter egg with this quote: “Players who explore the Safe House could potentially gain access to the “Dead Ops Arcade” Easter egg, a bonus mode sure to delight fans of the golden age of video games. These two pieces of bonus content are sure to keep fans entertained well beyond the studio’s signature three-games-in-one offering, delivering the most robust Call of Duty in franchise history with Call of Duty: Black Ops 3.”
Unfortunately, Dead Ops Arcade and Nightmare Mode are only available on the PS4, Xbox One and PC versions of Black Ops 3 due to the PS3 and Xbox 360 versions not having a campaign mode.