Kill 250 Swarm with the Assault Rifle.
Freeze 6 Swarm with a single Freeze Grenade.
Complete the Jacob's Rest campaign on Easy difficulty or harder.
Complete the Jacob's Rest campaign on Normal difficulty or harder.
Deliver the finishing blow to a Swarm Shieldbug.
Destroy all Swarm Eggs in a mission without allowing any to hatch.
Cure an Infested marine.
Kill a Swarm Parasite with a melee attack.
Kill a Swarm Boomer before it inflates.
Successfully perform a fast reload.
Roll under a Swarm Ranger projectile.
Complete 2 co-op missions online. Earns a Team Fortress 2 parasite hat.
Kill 20 Swarm with melee attacks in a single mission.
Finish a mission without the tech getting killed.
Guard the squad's tech so that he takes no damage during the hack.
Kill 25 drones without friendly fire. Four marines must be present in the mission.
Complete a mission with no friendly fire incidents. Four marines must be present in the mission.
Kill 6 Swarm with a single Grenade.
Complete a mission with better than 90% accuracy.
Complete a mission on Normal difficulty or harder without receiving any damage.
Kill 100 Swarm Grubs.
Kill 5 Swarm with explosive barrels in a single mission.
Complete 10 wire hacks without access being logged.
Complete 10 computer hacks without access being logged.
Heal all 4 marines with a single Heal Beacon.
Kill 15 Swarm with all four marines under the effects of a Damage Amp in a single mission.
Successfully perform 5 fast reloads in a row.
Heal 300 points of damage in a single mission without dealing any non-melee damage to the Swarm.
Stun 6 Swarm with a single Stun Grenade.
Seal a door with the welder.
Deploy 10 ammo stashes that are used by other marines.
Kill 500 Swarm with deployable Sentry Guns.
Kill 250 Swarm with a Prototype Rifle.
Kill 250 Swarm with an Autogun.
Kill 250 Swarm with a Shotgun.
Kill 250 Swarm with a Vindicator.
Kill 250 Swarm with Twin Pistols.
Kill 250 Swarm with PDWs.
Kill 250 Swarm with a Tesla Cannon.
Kill 250 Swarm with a Rail Rifle.
Kill 250 Swarm with a Flamethrower.
Kill 250 Swarm with a Chainsaw.
Kill 250 Swarm with a Minigun.
Kill 250 Swarm with a Marksman Rifle.
Kill 250 Swarm with a Grenade Launcher.
Kill 100 Swarm with Hornet Barrages.
Kill 100 Swarm with Laser Tripmines.
Kill 100 Swarm with Incendiary Mines.
Unlock all the available weapons.
Complete the Jacob's Rest campaign on Hard difficulty or harder.
Awarded for finishing the Jacob campaign on Insane difficulty.
Kill 1,000 Swarm.
Kill 5,000 Swarm.
Kill 25,000 Swarm.
Kill 100,000 Swarm.
Complete Landing Bay within 1:25 on Normal difficulty or harder without any marines dying.
Complete Cargo Elevator within 2:50 on Normal difficulty or harder without any marines dying.
Complete Deima Surface Bridge within 2:30 on Normal difficulty or harder without any marines dying.
Complete Rydberg Reactor within 3:10 on Normal difficulty or harder without any marines dying.
Complete SynTek Residential within 2:30 on Normal difficulty or harder without any marines dying.
Complete Sewer Junction within 1:30 on Normal difficulty or harder without any marines dying.
Complete Timor Station within 4:25 on Normal difficulty or harder without any marines dying.
Complete a campaign on Normal difficulty or harder without any marines dying.
Complete a mission on Normal difficulty or harder without any marines dying.
Awarded for finishing the Jacob campaign on Brutal difficulty.
Complete any mission on Brutal difficulty with Onslaught and Hardcore Friendly Fire enabled.
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