Call of Duty: Black Ops 4

Call of Duty: Black Ops 4

102 Achievements

1,825

229-338h

Xbox One
Xbox Series
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Step on the Gas

Step on the Gas

In Classified, kill 50 zombies while affected by Nova 6 Crawler gas in a single game

15

0.57%

How to unlock the Step on the Gas achievement in Call of Duty: Black Ops 4 - Definitive Guide

For all the achievements in Call of Duty: Black Ops 4 Zombies, besides the ones relating to the quests, you can use casual mode, but cannot use mutations.

This one I heavily recommend playing on casual with 3 bots. I was able to unlock this at round 35. Casual makes it much easier, and the bots with take some zombies with them making you less swarmed. For the packed weapon I recommend the ICR, because it is right on the wall in your training area. Pack it once, then repack it 4 times to get the full benefit of Pack a Punch. You do not want Brain Rot as your AAT, this will make zombies kill each other, and it wont count!

I would heavily recommend these perks, in this order: Stronghold, Dying Wish, Electric Burst, and Stamin-up.

The general strategy is to train in the War Room, and get a pretty long train going. Once the area is clear of any dogs, find a Nova 6 Crawler, shoot him, then immediately run towards him to get gassed. You will know if you are gassed, it will sound like a flash bang, and act like an old concussion grenade, making your movements extremely slow. Take aim and unload. Do this a couple times to get the 50 kills.

Right now it seems glitchy, not counting certain kills, or sometimes not exploding, but if you keep at it, you should get it.

Sorry, this Game Clip has been removed
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13 Oct 2018 12:34

8 Comments
I had this done by round 15 by running around the lab
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By hus12345 on 09 Jun 2020 08:33
I also don't believe that it has to be 50 zombies at once. It can be cumulative, so there's no need to risk getting overwhelmed by a massive train of zombies.
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By MaseyyMouse on 29 Nov 2018 05:44
Did this on casual, just run around and headshot the nova 6 zombies once they spawn in front of you, turn around and spray with the winter weapon. Took less than 10 times doing this to get the achievement
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By The Dutch Pony on 25 May 2021 19:48
Agree with sunshine and hus - labs is the best bet. I got it on round 8 even after wasting the first couple rounds
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By PaleBlueDot 3 on 30 Oct 2021 06:55
This is much quicker if you run in the lab, as the Nova’s will spawn much more frequently. Though it will be much harder to run circles in there too.
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By Sunnshhine on 07 Jun 2020 07:16
This is one messed up achievement.. Went to round 37 and it never unlocked. I would get stunned using my ICR, and quickly blast while stunned with the Winter's Howl.

Can we get a confirmation on if the Winter's Howl counts towards this achievement?
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By DeeSwitz TTV on 21 Oct 2018 03:42
I CAN confirm. I used Winter's Howl upgraded, and was able to get 50 quite easily using this gun when I'm stunned. I only needed 2 stuns to myself to get this achievement. Either use Winter's Howl, or use your Special Weapon. For me, I would recommend Overkill.
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By intheshallow on 28 Oct 2018 18:19
I'm pretty sure nuking them works!! I just got the achievement as a nuke went off right before I shot my rocket launcher--I had just thrown monkeys, then went in shooting a Nova 6, stepped in the gas, ran into a nuke, pulled out my P-a-Punched rocket launcher and fired it.. but I think they already died from the nuke! LOL.
On Casual, Round 31.
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By Shadow 00 Fox on 18 Feb 2019 23:19
View all 8 comments Show less comments
When you shoot a Nova 6 Crawler and they explode, some gas will linger, which will temporarily stun you. The easiest way to get this achievement is to train as many zombies as possible in the War Room, with at least one of them being a Nova Crawler. Once you’re ready, shoot the crawler, allow it to stun you and spray into the group you created. If you have your special weapon, this will make the kills even easier. You won't be able to get all of them in the duration of one stun but keep at it using this method and it’ll unlock eventually.
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When killing crawlers with a knife, they do not explode. When killed with a weapon, they explode and release gas. You need to enter it, after which there will be some clouding and slowdown in the aiming movement. And in this state you need to fill the required number of zombies.
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18 Oct 2018 09:42