One such reference is a callback to "All Ghillied Up," a beloved mission from 2007's Call of Duty: Modern Warfare ... has plenty of interesting secrets and easter eggs, including everything ...

Just type in: "Call of Duty Easter eggs" into a Google search, and you'll find a slew of results showing the hundreds of easter eggs Activision's developers have hidden within their games.

The music easter eggs in Call of Duty Zombies have been a fixture of the mode since its inception and they have been going ...

BBC One’s Line Of Duty returns to our TV screens with ... However, die-hard fans have uncovered a secret trail of Easter eggs within the footage, all of which apparently allude to key plot ...

Just type in: "Call of Duty Easter eggs" into a Google search, and you'll find a slew of results showing the hundreds of easter eggs Activision's developers have hidden within their games.

If you need some inspiration during the BO6 The Tomb Zombies map, here's how to trigger 'Dig', the easter egg song featuring ...