Full easter egg tutorial in the last Call of Duty
The complete Tutorial of Zombies in Spaceland
"Zombies in Spaceland transports you back in time to a 1980s amusement park complete with wild attractions, an awesome arcade, and a funky, functioning rollercoaster. In this all-new zombies co-op experience, new gameplay bring brand-new team mechanics, the After Life Arcade, and Fate & Fortune Cards into the mix. And, of course, there's a rad 80s soundtrack. Fan-favorite features return, including hidden Easter eggs, awesome power ups, crazy perks, and radical weapons".
This is the description of this mini game contained in tha last Call of Duty (Infinite warfare) as an easter egg.
4 character were transported in an horror movie directed by Willard Wyler full of zombies and thanks to this video tutorial you can help A.J, Poindexter, Sally and Andre to defeate tons of zombies.