How to get the Brain Rot Ammo Mod in MW3 Zombies

In Call of Duty MW3 Zombies, the Brain Rot Ammo Mod is a mod that you can get and it is one of the best you can use for several reasons. When I played solo, I really enjoyed using this mod and here’s how to get this item in the game.

How to use the Brain Rot Ammo mod in MW3 Zombies

Screenshot from Pro Game Guides

The Brain Rot Ammo Mod is an ammo modification that boosts your weapon’s bullets to deal toxic damage. This is one of the best ammo mods as it turns an enemy zombie into a friendly NPC for a few seconds. Essentially, the friendly Brain Rot zombie protects your operator by attacking other zombies and enemies. The friendly zombie deals toxic damage and dies after the mod effect wears off.

I’ve cleared infected strongholds and taken on some of the toughest bounty bosses while using this mod as a single player in Modern Warfare 3 Zombies. The Brain Rot effect is applied randomly. So I recommend targeting stronger zombies first to have a better chance of turning them. For example, the Brain Rot Ammo Mod can transform powerful zombies such as Manglers, Hellhounds, Mimics or Crawlers into friendly helpers.

Related: How to use raw Aetherium in MW3 Zombies

How to get the Brain Rot Ammo mod in MW3 Zombies

Screenshot from Pro Game Guides

The Brain Rot Ammo Mod can be found in the contract rewards, and I recommend completing contracts such as High Value Target, Raid Weapon Stash, Escort, Defend Ground Station, Aether Extraction and Spore Control. Likewise, you can get this mod by conquering infected strongholds, clearing Aether Nests, and finding loot caches. Remember: If you purchase the Brain Rot Ammo mod in the game, you can only use it once. If you successfully fill it into your backpack, you will be able to use this item in the following game.

On the other hand, if you get a Blueprint for the Brain Rot Ammo Mod, you can craft this item in the lobby before heading out for a match. The cooldown for this blueprint is around three hours, so I highly recommend sticking to the blueprint. To do this, follow the same process by completing various contracts and conquering fortresses. Ideally, you should do these activities in the yellow or red danger zone as the rewards are much better.

You can find more high-quality guides and useful information about Modern Warfare 3 here How to play War Mode in MW3 Right here on Pro Game Guides.

Dustin Huang

Dustin Huang is a Nytimas U.S. News Reporter based in London. His focus is on U.S. politics and the environment. He has covered climate change extensively, as well as healthcare and crime. Dustin Huang joined Nytimas in 2023 from the Daily Express and previously worked for Chemist and Druggist and the Jewish Chronicle. He is a graduate of Cambridge University. Languages: English. You can get in touch with me by emailing:

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