Call of Duty Season 4 introduces a new month-long event across both Modern Warfare 3 and Warzone, with tons of rewards to unlock.
How to Collect ADE and CYTO DNA Samples Fast in Modern Warfare 3! (Critical Countdown Event Guide)
Critical Countdown is a collectible event, meaning players will have to collect items from enemy players across various modes, and you’ll need to pick up a lot of them. So it’s a long grind, but since the event is so long there’s plenty of time to pick up what you need.
Here's everything you need to know about Critical Countdown, including how to get the items you need to earn rewards.
Critical Countdown is a four-week event in the multiplayer modes of MW3, MW3 Zombies, and Warzone, where CoD players must collect DNA samples dropped by enemies or found in caches.