Bug Stomper
Not unlocked yetKill 100 Swarm Grubs.
Hard Campaign: Jacob's Rest
Not unlocked yetComplete the Jacob's Rest campaign on Hard difficulty or harder.
Hardcore
Not unlocked yetComplete a mission on Brutal difficulty with Onslaught and Hardcore Friendly Fire enabled.
Hornet Barrage Expert
Not unlocked yetKill 100 Swarm with Hornet Barrage attacks.
Brutal Campaign: Jacob's Rest
Not unlocked yetComplete the Jacob's Rest campaign on Brutal difficulty.
Infestation Savior
Not unlocked yetCure an Infested marine.
Insane Campaign: Jacob's Rest
Not unlocked yetComplete the Jacob's Rest campaign on Insane difficulty or harder.
On the Ready Line
Not unlocked yetKill 1,000 Swarm.
Another Bughunt
Not unlocked yetKill 5,000 Swarm.
Kill Them All
Not unlocked yetKill 25,000 Swarm.
Nuke From Orbit
Not unlocked yetKill 100,000 Swarm.
Clear Firing
Not unlocked yetKill 25 drones without friendly fire. Four marines must be present in the mission.
Tactical Explosives Expert
Not unlocked yetKill 100 Swarm with Laser Mines.
Close Encounters
Not unlocked yetKill 20 Swarm with melee attacks in a single mission.
Parasite Puncher
Not unlocked yetKill a Swarm Parasite with a melee attack.
Firewall Specialist
Not unlocked yetKill 100 Swarm with Incendiary Mines.
Minigun Master
Not unlocked yetKill 250 Swarm with the Minigun.
Zero Mortality
Not unlocked yetComplete a mission on Normal difficulty or harder without any marines dying.
Perfect
Not unlocked yetKill at least 25 aliens on Normal difficulty or higher and finish the mission without taking any damage.
Short Controlled Bursts
Not unlocked yetComplete a mission with no friendly fire incidents. Four marines must be present in the mission.
Normal Campaign: Jacob's Rest
Not unlocked yetComplete the Jacob's Rest campaign on Normal difficulty or harder.
Small Arms Specialist
Not unlocked yetKill 250 Swarm with the PDWs.
Pistols Expert
Not unlocked yetKill 250 Swarm with the Pistols.
Prototype Professional
Not unlocked yetKill 250 Swarm with the Prototype Rifle.