Complete MotoSkills 1, 2 and 3

Killed an enemy while affected by poison gas.

Kill 50 enemies with a melee or bayonet

Versus: In public matches, kill a player with either the primary or secondary weapon from every weapon kit

Versus: Kill both members of a single partnership during a public match

Kill 150 enemies with pistols

Kill 3 or more enemies with a single grenade

Kill 100 enemies with a sniper rifle

Complete Chapter 4 on any difficulty level

Tie up 15 enemy combatants instead of executing them

Complete Chapter 3 on any difficulty level

Make a positive coop morality choice

Make a negative coop morality choice