The Exerting Control camo is now available to unlock for free in MW3 and Warzone as part of the ongoing Critical Countdown event. While this event began with Season 4 on May 29, 2024, the camo only became unlockable when the final section became accessible recently. Initially, it started with two sections or strands of DNA available, and the remaining two were to be unlocked subsequently. While the third strand was made available in the third week of the event, the fourth one became accessible on Wednesday, June 19, 2024.The Exerting Control camo has a subtle glowing effect. Although it lacks animation, its gentle glow makes it worth collecting.That said, this article will provide step-by-step instructions on how you can unlock the limited-time Exerting Control camo for free in MW3 and Warzone.How to get the Exerting Control camo for free in MW3 and WarzoneTo unlock the Exerting Control camo, you need to collect 6250 Gua (pink) DNA samples. These can be obtained by eliminating enemies in MW3 across any mode, collecting them in MW3 Zombies mode during the Outlast contract's PND activation phase, or acquiring them in Warzone by opening loot caches.There are four types of DNA samples — Ade (blue), Cyto (orange), Thy (light yellow), and Gua (pink) — and each one offers distinct rewards. For Gua DNA, collecting 3125 samples earns you a Double XP Token, and collecting 6250 samples unlocks the Exerting Control Camo.Here are all the rewards you can earn in the Critical Countdown event in MW3 and Warzone by collecting DNA samples:Every reward in the Critical Countdown event of MW3 and Warzone explored. (Image via Activision)Ade (Mastery Challenge 1):Double XP Token - 390 DNA samplesDouble Weapon XP Token - 780 DNA samplesDouble Battle Pass XP Token - 1560 DNA samplesDouble XP Token - 3125 DNA samplesDouble Weapon XP Token - 6250 DNA samplesDouble Battle Pass XP Token - 12500 DNA samplesCyto (Mastery Challenge 2):Security Clearance Calling Card - 1560 DNA samplesSafety First Emblem - 3125 DNA samplesJust a Spill Sticker - 6250 DNA samplesDouble Battle Pass XP Token - 12500 DNA samplesThy (Mastery Challenge 3):Mission Debrief Calling Card - 2340 DNA samplesDouble Weapon XP Token - 4675 DNA samplesBattle Pass Tier Skip Token - 9350 DNA samplesGua (Mastery Challenge 4):Double XP Token - 3125 DNA samplesExerting ControlCamo - 6250 DNA samplesBesides the Exerting Control camo, there is also an Ultimate Rewards FR 5.56 World Ender blueprint that you can unlock by completing all four Mastery challenges.Please note that the Critical Countdown event will end on June 26, 2024, so you have limited time to grind and acquire the exclusive camo in MW3 and Warzone.Check out our other Call of Duty articles:RGL-80 with JAK Thumper-656 is "one shot" in WarzoneHow to unlock Monster Energy Frosted Fury blueprint for free in WZ and MW3Fan-favorite Operator Pack has returned to Warzone and MW3 to celebrate The Boys Season 4 releaseHow to unlock the limited-time Automatic Energy blueprint for free in MW3 and WZ Season 45 best meta loadouts to dominate in Warzone's Rebirth Island