Co-Optimus - News - How to Unlock the Robot in the 'Mauer der Toten' Zombies Map of COD: Black Ops Cold War

Call of Duty: Black Ops Cold War

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How to Unlock the Robot in the 'Mauer der Toten' Zombies Map of COD: Black Ops Cold War
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How to Unlock the Robot in the 'Mauer der Toten' Zombies Map of COD: Black Ops Cold War

Repair the robot, build the warhead, and close the portal.

The latest Zombies map to be added to Call of Duty: Black Ops Cold War is called 'Mauer der Toten,' meaning "Wall of the Dead." The Black Ops Cold War Zombies maps are surprisingly story-heavy, and this one sees the members of peacekeeping force Requiem forced to build a warhead to close the Dark Aether portal that was opened in Berlin by traitorous scientist Aleksandra Valentina. We played several co-op games on 'Mauer der Toten,' and we even found out how to unlock the robot, Klaus.

'Mauer der Toten' begins with the members of Requiem stepping out of a plane that has landed on the ruined rooftops of Berlin. From there, the team can rappel across to other buildings and eventually onto the ground. Our heroes will eventually head underground, where they'll witness the memorable sight of a flaming subway head zooming by. Naturally, the train leaves several flaming zombies in its wake.

Also found underground in the Safe House is Klaus the robot. To actually awaken Klaus, who acts as a support character, players must acquire the Robotic Hands and Battery and then install them in the robot. Getting the hands is the hard part, as it involves several steps.

How to unlock Klaus:

  1. Add the Brain Rot effect to a weapon at the Pack-a-Punch machine.
  2. Find the barricaded door in Hotel Room 305.
  3. Using Brain Rot, turn a zombie against its brethren, which will cause it to knock down the barricaded door and reveal the Robotic Hands.
  4. Defeat the Krasny Soldat that spawns on Wave 10 to acquire the Battery.
  5. Once you have both the battery and the Robotic Hands, return to the Safe House and use the items to awaken Klaus.

My team and I had a great time playing 'Mauer der Toten.' The map's atmosphere and sense of dread certainly impress, and the Krasny Soldat and flying Disciples are both dangerous and cool foes to battle. As always, however, I wish that COD's Zombies mode offered multiple selectable difficulties and more intuitive objectives. Some of us don't have the time to fail at a mission for hours and hours before we can finally complete it.

Call of Duty: Black Ops Cold War supports 2-player split-screen and 4-player online co-op in Zombies mode. The game is available on Xbox OnePlayStation 4, and PC, where it sells for $59.99, and Xbox Series X|S and PlayStation 5, where it sells for $69.99.

 
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