The critical streak challenge requires 25 critical kills to be made without breaking the string. Ammo Mod effects may disrupt the streak. Therefore, the streak shooter should use a clean gun setup and maintain a calm pace.
It is important to maintain co-op discipline because a body killing can reset a streak. Therefore, one shooter must be responsible for the streak and the rest...
Portuguese 
English
Arabic
French
Spanish
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Tiếng Việt