How to get CoD Zombies CRBR-S Wonder Weapon: Mauer Der Toten quest, upgrades

BOCW Zombies CRBR S Wonder WeaponActivision

The CRBR-S is a brand new Wonder Weapon in Call of Duty’s Zombies experience with the addition of Mauer Der Toten. From where you can find them to how you’ll be upgrading them, here’s everything there is to know.

After months of teasers, a brand new round-based Zombies map is finally upon us. With the Season 4 Reloaded update, Mauer Der Toten was introduced, bringing all-new locations, enemies, and of course, Wonder Weapons.

The CRBR-S is one of the more unique Wonder Weapons we’ve ever seen in that it acts as more than one gun at a time. While it begins as a pistol, the new weapon can be upgraded into three unique forms as you play.

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From where it can be found to how it can be upgraded, here’s a complete guide on the CRBR-S Wonder Weapon — including its unlock quest.

Mauer Der Toten Zombies gameplayActivision
There are three ways to find the CRBR-S Wonder Weapon in Mauer Der Toten.

How to get the CRBR-S Wonder Weapon

The CRBR-S Wonder Weapon can be acquired in one of three ways while playing Mauer Der Toten.

Unlike various other Wonder Weapons, the CRBR-S gives you plenty of options on how to pick it up. Your run might start with a lucky draw at the Mystery Box, but if luck isn’t on your side, you can still advance through the quest and earn it the hard way.

Unlock CRBR-S via Trials machines

The first way to unlock the new CRBR-S Wonder Weapon in Call of Duty Zombies is via Mauer Der Toten’s trials machines.

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Just like in Zombies maps, players can earn Dark Aether by completing difficult challenges in rounds. In the newest Black Ops Cold War map, these tiers can be upgraded all the way to “Legendary”. Once you hit max-rank, you will be given the CRBR-S wonder gun.

These missions include:

  • Get Multiple Kills As Quickly As Possible
  • Take Damage and Recover Health
  • Kill Zombies
    • With Equipment
    • In the Dark Aether
    • In Location
    • From a Higher Elevation
    • With Melee Attacks
    • With Hip Fire
    • Within Close Range
    • While Crouched
    • With Critical Finishers
  • Remain Inside Location As Long As Possible
  • Take Damage and Recover Health
  • Rebuild Barricades
  • Avoid Taking Damage
Trials machines are littered around the new Mauer Der Toten map.Treyarch
Trials machines are littered around the new Mauer Der Toten map.

Mauer Der Toten CRBR-S quest

There’s a second way to unlock the CRBR-S Wonder Weapon too — the gun’s Mauer Der Toten quest. This unlock method is still being investigated by our Dexerto writers. Check back soon for the fully updated guide.

“RNG” in the Mystery Box

The final way to get your hands on the CRBR-S Wonder Weapon is as simple as it is iconic: test your luck in the Mystery Box!

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CRBR-S Wonder Weapon gameplayActivision
The CRBR-S can transform into a totally different gun when Mod Kits are applied.

How to upgrade the CRBR-S Wonder Weapon

Once you’ve acquired the CRBR-S Wonder Weapon, it will function as a simple pistol with one unique feature: a companion that floats overhead and helps you shoot Zombies. However, the new gun can be upgraded into three more powerful forms.

In order to get these upgrades, you need to find Mod Kits in Mauer Der Toten. Mod Kits drop from zombies at random, so the more you kill, the better your odds of finding one. 

Applying a Mod Kit to the CRBR-S Wonder Weapon will transform it into one of three additional variants. No one variant is necessarily better than the other, as they all offer their own unique styles and abilities.

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With Mauer Der Toten now upon us, be sure to brush up on everything else there is to know about the Season 4 Reloaded update.