The MW3 Rewind event offers players a final chance to earn exclusive cosmetic rewards by completing a series of challenging objectives across Multiplayer and Zombies modes in Call of Duty: Modern Warfare 3. Running from October 9 to October 16, 2024, this limited-time event is a nostalgic send-off for the game, featuring 14 unique challenges that unlock a variety of rewards like weapon camos, emblems, decals, and more. Upon completing all the challenges, players can unlock the coveted Batch Test Operator and Balloon Test skin. Below is a detailed list of all the challenges and their respective rewards.

Here is a complete list of the challenges in the MW3 Rewind event along with their corresponding rewards:

1. Hard Copy Emblem: Get 10 Operator kills with a melee weapon while sliding or shortly after sprinting.
2. Krampus in Town Large Decal: Get 2 Operator kills with an LMG or pistol within 15 seconds, 5 times.
3. Live, Laugh, Love Camo: Get 7 Operator kills with the JAK Purifier or Thermobaric Grenade lethal.
4. Hangry Emblem: Get 3 Operator double kills with the Spear or Sledgehammer.
5. Dance of the Cockroaches Large Decal: Get 7 Operator double kills with an Akimbo attachment equipped to an SMG.
6. Sunset Armageddon Camo: Get 15 Operator kills with a suppressed weapon and the Blacklight Flashlight perk equipped.
7. Cloudy Day Camo: Get 7 one-shot-one-kill Operator kills with the Crossbow or Torque 35.
8. Side-Scroller Calling Card: Get 5 Operator headshot kills with an LMG.
9. Curated Collection Calling Card: Get 10 Operator one-shot-one-kills or melee kills.
10. Still Dead Weapon Sticker: Get 10 Operator kills with an Extreme Magnification Scope or a Hybrid Scope with extreme magnification.
11. Tall Order Camo: Deploy 5 Counter-UAV, UAV, or Advanced UAV killstreaks.
12. Sparkle and Shine Camo: Get 15 Operator kills with an Akimbo attachment equipped to any weapon.
13. Bricked Camo: Get 7 hipfire Operator kills with the TYR or Basilisk Pistol.
14. Permanent Pause Weapon Charm: Perform 3 finishing moves on Operators.

Completing all 14 challenges unlocks the Batch Test Operator and the Balloon Test skin variant