Complete "Armada."

Kill an enemy by throwing a car door at them.

Complete "Crash."

Kill 20 enemies with the Grappling Hook in "Sentinel."

Stop an AST with an EMP grenade.

Knock 25 Drones out of the sky with EMP grenades.

Complete "Aftermath."

Complete "Traffic."

Kill 4 enemies with a single smart grenade.

Complete "Induction."

Prevent the walking tank from being destroyed by the Drone Swarm in "Induction."

Defeat a Ramosa-class Abductor while playing offline without falling once in battle.