Alien Swarm

Technician Secured

Common56.1%

Finish a mission without the tech getting killed.

Hat Trick

Common55.5%

Complete 2 co-op missions online. Earns a Team Fortress 2 parasite hat.

Quick and Dead

Common47.8%

Kill a Swarm Boomer before it inflates.

Shield Down

Common43.6%

Deliver the finishing blow to a Swarm Shieldbug.

Protect the Tech

Common41.6%

Guard the squad's tech so that he takes no damage during the hack.

Quick Load

Common40.7%

Successfully perform a fast reload.

Seal of Quality

Uncommon39.0%

Seal a door with the welder.

Zero Mortality

Uncommon37.0%

Complete a mission on Normal difficulty or harder without any marines dying.

Under the Gun

Uncommon35.7%

Roll under a Swarm Ranger projectile.

Clear Firing

Uncommon34.6%

Kill 25 drones without friendly fire. Four marines must be present in the mission.

Sharpshooter

Uncommon33.0%

Complete a mission with better than 90% accuracy.

Close Encounters

Uncommon32.6%

Kill 20 Swarm with melee attacks in a single mission.

On the Ready Line

Uncommon32.2%

Kill 1,000 Swarm.

Easy Campaign

Uncommon29.8%

Complete the Jacob's Rest campaign on Easy difficulty or harder.

Infestation Savior

Uncommon29.7%

Cure an Infested marine.

Parasite Puncher

Uncommon27.9%

Kill a Swarm Parasite with a melee attack.

Scrambled Eggs

Uncommon27.4%

Destroy all Swarm Eggs in a mission without allowing any to hatch.

Smoking Barrels

Uncommon27.4%

Kill 5 Swarm with explosive barrels in a single mission.

Normal Campaign

Uncommon26.1%

Complete the Jacob's Rest campaign on Normal difficulty or harder.

Autogun Expert

Uncommon25.9%

Kill 250 Swarm with an Autogun.

Group Heal

Uncommon25.4%

Heal all 4 marines with a single Heal Beacon.

Assault Specialist

Uncommon25.1%

Kill 250 Swarm with the Assault Rifle.

Gunslinger

Uncommon23.8%

Successfully perform 5 fast reloads in a row.

Prototype Professional

Uncommon23.6%

Kill 250 Swarm with a Prototype Rifle.

Pyrotechnician

Uncommon23.6%

Kill 250 Swarm with a Flamethrower.

Electro-Stunned

Uncommon23.1%

Stun 6 Swarm with a single Stun Grenade.

Armory Access

Uncommon21.9%

Unlock all the available weapons.

Blast Radius

Uncommon21.5%

Kill 6 Swarm with a single Grenade.

Short Controlled Bursts

Uncommon21.0%

Complete a mission with no friendly fire incidents. Four marines must be present in the mission.

Ammo Technician

Uncommon20.6%

Deploy 10 ammo stashes that are used by other marines.

Vindicator Veteran

Uncommon20.5%

Kill 250 Swarm with a Vindicator.

Stay Frosty

Uncommon20.1%

Freeze 6 Swarm with a single Freeze Grenade.

Bug Stomper

Uncommon19.9%

Kill 100 Swarm Grubs.

Damage Amped

Uncommon18.8%

Kill 15 Swarm with all four marines under the effects of a Damage Amp in a single mission.

Hard Campaign

Uncommon18.8%

Complete the Jacob's Rest campaign on Hard difficulty or harder.

Small Arms Specialist

Uncommon18.7%

Kill 250 Swarm with PDWs.

Another Bughunt

Uncommon18.5%

Kill 5,000 Swarm.

Shotgun Specialist

Uncommon18.5%

Kill 250 Swarm with a Shotgun.

Static Defender

Uncommon18.3%

Kill 500 Swarm with deployable Sentry Guns.

Circuit Breaker

Uncommon17.6%

Complete 10 wire hacks without access being logged.

Peace Medic

Uncommon17.6%

Heal 300 points of damage in a single mission without dealing any non-melee damage to the Swarm.

Hornet Barrage Expert

Uncommon17.2%

Kill 100 Swarm with Hornet Barrages.

Minigun Master

Uncommon17.1%

Kill 250 Swarm with a Minigun.

Pistols Expert

Uncommon16.8%

Kill 250 Swarm with Twin Pistols.

High Voltage Expert

Uncommon16.7%

Kill 250 Swarm with a Tesla Cannon.

Perfect

Uncommon16.6%

Complete a mission on Normal difficulty or harder without receiving any damage.

Slaughter Soldier

Uncommon16.5%

Kill 250 Swarm with a Chainsaw.

Tactical Explosives Expert

Uncommon16.4%

Kill 100 Swarm with Laser Tripmines.

Railgun Specialist

Uncommon16.2%

Kill 250 Swarm with a Rail Rifle.

Firewall Specialist

Uncommon16.1%

Kill 100 Swarm with Incendiary Mines.

Rydberg Reactor Speed Run

Uncommon16.0%

Complete Rydberg Reactor within 3:10 on Normal difficulty or harder without any marines dying.

Professional Marksman

Uncommon15.9%

Kill 250 Swarm with a Marksman Rifle.

Grenadier Expert

Uncommon15.8%

Kill 250 Swarm with a Grenade Launcher.

Insane Campaign

Uncommon15.8%

Awarded for finishing the Jacob campaign on Insane difficulty.

Cargo Elevator Speed Run

Uncommon15.6%

Complete Cargo Elevator within 2:50 on Normal difficulty or harder without any marines dying.

Hardcore

Uncommon15.6%

Complete any mission on Brutal difficulty with Onslaught and Hardcore Friendly Fire enabled.

Landing Bay Speed Run

Uncommon15.6%

Complete Landing Bay within 1:25 on Normal difficulty or harder without any marines dying.

Outstanding Execution

Uncommon15.6%

Complete a campaign on Normal difficulty or harder without any marines dying.

Deima Surface Bridge Speed Run

Uncommon15.5%

Complete Deima Surface Bridge within 2:30 on Normal difficulty or harder without any marines dying.

Kill Them All

Uncommon15.5%

Kill 25,000 Swarm.

Security Expert

Uncommon15.5%

Complete 10 computer hacks without access being logged.

Sewer Junction Speed Run

Uncommon15.5%

Complete Sewer Junction within 1:30 on Normal difficulty or harder without any marines dying.

Brutal Campaign

Uncommon15.4%

Awarded for finishing the Jacob campaign on Brutal difficulty.

SynTek Residential Speed Run

Uncommon15.4%

Complete SynTek Residential within 2:30 on Normal difficulty or harder without any marines dying.

Timor Station Speed Run

Uncommon15.4%

Complete Timor Station within 4:25 on Normal difficulty or harder without any marines dying.

Nuke From Orbit

Uncommon15.2%

Kill 100,000 Swarm.