All Altered Strain event rewards and challenges in MW3 & Warzone

The Altered Strain event is part of Modern Warfare 3 and Warzone's season 4 for Call of Duty along with Retro Warfare. Here is a look at the rewards and challenges you find in the MW3 and Warzone Altered Strain event.

Call of Duty MW3 & Warzone Altered Strain event rewards and challenges

The Altered Strain event adds collectable DNA to MW3 and Warzone. Upon defeating a player or zombie, a piece of colored DNA will drop. You must collect these pieces to gain the rewards associated with the color, which we have listed below. The Yellow and Pink DNA are not yet available, but should become available soon. The Altered Strain event runs from June 26, 2024, until July 24, 2024.

• Mastery Challenge 1 - Blue DNA (Ade-DGT)
  1. 390 Ade-DGT: Double XP Token
  2. 780 Ade-DGT: Double Weapon XP Token
  3. 1,560 Ade-DGT: Double Battle pass XP Token
  4. 3,125 Ade-DGT: Double Weapon XP Token
  5. 6,250 Ade-DGT: Double Weapon XP Token
  6. 12,500 Ade-DGT: Double Battle pass XP Token
• Mastery Challenge 2 - Orange DNA (Cyto-RCG)
  • 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
• Mastery Challenge 3 - Unknown DNA (Coming Soon)
  • 1,200: “Repocket” Mutation Effect
  • 2,340: “You Tried!” calling Card
  • 4,675: “Mutation Station” Sticker
  • 9,350: “Attuned” Mutation Effect
• Mastery Challenge 4 - Unknown DNA (Coming Soon)
  • 1,560: “Galvanized” Mutation Effect
  • 3,125: Battle Pass Tier Skip
  • 6,250: “Dendritic Devastation” Weapon Camo

Completing the Mastery will reward you with the Strands and Slaughter Blueprint for the Subverter Battle Rifle. It comes with various attachments and a detailed DNA strand camo that makes the gun stand out. Ensure you complete the event to get your hands on this blueprint. Here are the attachments for the Strands and Slaughter Blueprint in MW3 and Warzone.

• Barrel: Dozer-90 Long Barrel
• Muzzle: VT-7 Spiritfire Suppressor
• Underbarrel: Bruen Heavy Support Grip
• Magazine: 50 Round Drum

For more information on Call of Duty, check out All Fallout: Vault Dwellers event rewards and challenges – MW3 Season 4 on Pro Game Guides.