Complete Operation Red Circus in Campaign on any difficulty.

Complete Desperate Measures in Campaign on any difficulty.

In Die Maschine, kill 100 enemies without leaving the top of the crashed plane wing.

Kill 200 enemies with an AR.

Complete Redlight, Greenlight in Campaign on any difficulty.

Complete Brick in the Wall in Campaign on any difficulty.

Complete Nowhere Left to Run in Campaign on any difficulty.

Kill 50,000 total Enemies in MWZ

Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it

Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Find all Plate Carrier Upgrades in Open Combat Missions

Destroy each objective helicopter in 'Reactor' with a different Armament

Kill 10 enemies while using a zipline