Mauer Der Toten main Easter egg quest guide in Call of Duty: Black Ops Cold War Zombies

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Mauer Der Toten sees Requiem agents forced into working with Omega to take down an Omega betrayer named Valentina. It turns out that she had family connections to the Nazi group at Endstation who started the outbreak of zombies, and she is looking to amass a massive undead army. Now that we know what is going on from a story standpoint, let’s get into how to complete the main Easter egg quest for Mauer Der Toten in Call of Duty: Black Ops Cold War.

Use whatever class you are most comfortable with. There is not really much that you absolutely need to have for this main quest outside of the wonder weapon. We prefer the Gallo and Hauer shotguns, but if you prefer LMGs or assault rifles, they can get the job done too. As for Field Upgrades, we heavily recommend Ring of Fire for the boss fight, but it is not a necessity.

Turning on the power, the Pack-a-Punch machine, and activating Klaus are the first things you absolutely have to do to start the main quest. The earliest you can get Klaus up and going is round ten after you kill a Panzer Soldat for the battery it is holding.

After Klaus is active, you can also start working on upgrading him. You only need to upgrade him once, so don’t worry about the floppy disk upgrades to make him even stronger unless you want to do it.

The CRBR-S is the wonder weapon for Mauer Der Toten, and there are a few different ways to get it. You could always get lucky and get it out of either the Mystery Box or as a legendary reward tier from the Trials Machine, but the only guaranteed way to get one is to use Klaus to get a blacklight and find safe codes for Hotel