Altered Strain is one of the new in-game events in Modern Warfare 3 and Warzone Season 4 Reloaded, bringing back the DNA samples mechanic we saw in the Critical Countdown Event.
While the event has a lot of fairly straightforward challenges, it offers some lucrative rewards.
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In this ONE Esports guide, we provide all the details about the Altered Strain event, including its challenges and rewards.
Altered Strain event in MW3 and Warzone: Challenges and rewards
Similar to Critical Countdown, you’ll have to collect DNA samples for the event.
![All Altered Strain event challenges and rewards in Modern Warfare 3 and Warzone Altered Strain event in Modern Warfare 3 and Warzone](https://cdn.oneesports.gg/cdn-data/2024/06/ModernWarfare3_AlteredStrain_Event-1024x576.jpg)
Ade-OGT (Blue) DNA mastery challenges and rewards
- Collect 390 Ade-OGT- Double XP Token
- Collect 780 Ade-OGT- Double Weapon XP Token
- Collect 1,560 Ade-OGT- Double Battle Pass XP Token
- Collect 3,125 Ade-OGT – Double Weapon XP Token
- Collect 5,250 Ade-OGT- Double Weapon XP Token
- Collect 12,500 Ade-OGT- Double Battle Pass XP Token
Cyto-RCT (Orange) DNA mastery challenges and rewards
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- 780 Cyto-RCG- First Strike Mutation Effect
- 1,560 Cyto-RCG- Pet Strain Charm
- 3,125 Cyto-RCG- Class Pet Emblem
- 6,250 Cyto-RCG- Flop Shot Mutation Effect
- 12,500 Cyto-RCG- Double XP Token
Green DNA mastery challenges and rewards (coming soon)
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- 1,200 Green DNA- Repocket Mutation Effect
- 2,340 Green DNA- You Tried! calling Card
- 4,675 Green DNA- Mutation Station Sticker
- 9,350 Green DNA- Attuned Mutation Effect
Red DNA mastery challenges and rewards (coming soon)
- 1,560 Red DNA- Galvanized Mutation Effect
- 3,125 Red DNA- Battle Pass Tier Skip
- 6,250 Red DNA- Dendritic Devastation Weapon Camo
How to get the Strands and Slaughter blueprint
![All Altered Strain event challenges and rewards in Modern Warfare 3 and Warzone Strands and Slaughter weapon blueprint for SOA Subverter](https://cdn.oneesports.gg/cdn-data/2024/06/ModernWarfare3_StrandsAndSlaughter_Blueprint-1024x576.jpg)
You can get the Strands and Slaughter blueprint for the SOA Subverter by completing all the mastery challenges in the Altered Strain event.
This blueprint comes with a unique camo and the following attachments:
- Barrel: Dozer-90 Long Barrel
- Magazine: 50 Round Drum
- Muzzle: VT-7 Spiritfire Suppressor
- Underbarrel: Bruen Heavy Support Grip
READ MORE: Modern Warfare 3 and Warzone Season 4 Reloaded patch notes: All weapon buffs and nerfs