Kill a Behemoth.

Reach Level 30.

Finish FRIENDLY FIRE.

Kill an enemy shortly after another player in Coop has killed one.

Finish SPEAK NO EVIL, HEAR NO EVIL, SEE NO EVIL.

Reach the end of Act 3.

Upgrade 20 weapon intermarks in total.

Get 3 headshots with a handgun in 5 seconds.

Kill an helicopter's pilot with any weapon.

Kill 2 enemies with a single rocket.

Kill an enemy in Ghost War as the Panther, Assault, Field Medic and Sharpshooter.

Finish 8 Faction Missions in a single day.

Unlock 4 Classes.