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All Critical Countdown Event Rewards & Challenges – MW3 Season 4

Earn free rewards!

Modern Warfare 3 Season 4 update is finally here, bringing a new event called Critical Countdown. As is tradition, players can earn various free rewards such as weapon skins and calling cards by completing a few simple challenges. So without any further delay, let's dive into the details.

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How to complete the Critical Countdown event in Modern Warfare 3

Your primary objective during the Critical Countdown event is to collect four types of DNA samples in multiplayer matches and ultimately use them to unlock rewards in Modern Warfare 3. Here's the list of all the DNA strands you can acquire:

  • Ade (Blue DNA strands)
  • Cyto (Orange DNA strands)
  • TBA
  • TBA
MW3 Critical Countdown event overview
Screenshot by Pro Game Guides

As you can clearly see, only two of the four DNA samples are available in the game right now, and they can be obtained by killing your opponents or looting caches. However, the type of DNA sample you get is entirely random, so you may have to grind for a particular type to unlock its respective reward.

All Modern Warfare 3 Critical Countdown event rewards

A list of the MW3 Critical Countdown event rewards
Screenshot by Pro Game Guides

Modern Warfare 3 players can collect the following rewards during the Critical Countdown event:

DNA Samples NeededRewards
390 AdeDouble XP Token
780 AdeDouble Weapon XP Token
1,560 AdeDouble Battle Pass XP Token
3,125 AdeDouble XP Token
6,250 AdeDouble Weapon XP Token
12,500 AdeDouble Battle Pass XP Token
1,560 CytoSecurity Clearance
3,125 CytoSafety First
6,250 CytoJust a Spill
12,500 CytoDouble Battle Pass XP Token

It's worth noting that more rewards will be added once the rest of the DNA samples are released into the game. Apart from this, you will get the World Ender blueprint for the FR 5.56 if you unlock all of the above-mentioned rewards.

Surprisingly, Critical Countdown is a four-week-long event, which means players have plenty of time to earn enough tokens and unlock all the rewards.

For more on Call of Duty, check out how to get the Specialist Perk in Warzone, here on Pro Game Guides.

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Tarun Sayal
Tarun is an experienced Gaming and Esports writer with over six years of experience covering a wide range of video games. With a passion for the gaming industry, he specializes in writing features, guides, and news for popular live service games such as Fortnite, Warzone, VALORANT, Genshin Impact, and more. Over the years, he has sharpened his skills in writing comprehensive guides, insightful features, and breaking news stories that keep gamers informed and entertained.

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All Critical Countdown Event Rewards & Challenges – MW3 Season 4

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