With the patch around mid-May 2020, a couple of easter-eggs appeared. The first was red key cards started to be able to open some of the bunkers in game, exposing multiple chests and further bunker doors which currently can't be opened. The second is a special set of steps to open the 11th bunker at the top of the map, with chests, extra blueprints & a nuke. Here is a great video explaining this by youTuber "MrDalekJD" : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! To help, I have broken down the video into the important parts below. Ringing Phone 1 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Ringing Phone 2 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Ringing Phone 3 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Ringing Phone 4 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Ringing Phone 5 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Ringing Phone 6 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Ringing Phone 7 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Ringing Phone 8 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Russian 0 - 9 - video with pronunciations below HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 0 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 1 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 2 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 3 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 4 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 5 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 6 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 7 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 8 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Phone 9 : HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE! Bunker 11 location - video below map: HOW TO UNLOCK SECRET NUKE BUNKER 11 EASTER EGG in Call of Duty WARZONE!