01Achievements
Every Alien Swarm achievement, ordered by how few players in the world have unlocked it.
29 of 66 entries
Ammo TechnicianDeploy 10 ammo stashes that are used by other marines.20.3%Uncommon
Vindicator VeteranKill 250 Swarm with a Vindicator.20.3%Uncommon
Short Controlled BurstsComplete a mission with no friendly fire incidents. Four marines must be present in the mission.20.7%Uncommon
Blast RadiusKill 6 Swarm with a single Grenade.21.2%Uncommon
Armory AccessUnlock all the available weapons.21.6%Uncommon
Electro-StunnedStun 6 Swarm with a single Stun Grenade.22.9%Uncommon
PyrotechnicianKill 250 Swarm with a Flamethrower.23.3%Uncommon
Prototype ProfessionalKill 250 Swarm with a Prototype Rifle.23.4%Uncommon
GunslingerSuccessfully perform 5 fast reloads in a row.23.6%Uncommon
Assault SpecialistKill 250 Swarm with the Assault Rifle.24.8%Uncommon
Group HealHeal all 4 marines with a single Heal Beacon.25.1%Uncommon
Autogun ExpertKill 250 Swarm with an Autogun.25.6%Uncommon
Normal CampaignComplete the Jacob's Rest campaign on Normal difficulty or harder.25.7%Uncommon
Scrambled EggsDestroy all Swarm Eggs in a mission without allowing any to hatch.27%Uncommon
Smoking BarrelsKill 5 Swarm with explosive barrels in a single mission.27.1%Uncommon
Parasite PuncherKill a Swarm Parasite with a melee attack.27.6%Uncommon
Infestation SaviorCure an Infested marine.29.4%Uncommon
Easy CampaignComplete the Jacob's Rest campaign on Easy difficulty or harder.29.4%Uncommon
On the Ready LineKill 1,000 Swarm.31.8%Uncommon
Close EncountersKill 20 Swarm with melee attacks in a single mission.32.3%Uncommon
SharpshooterComplete a mission with better than 90% accuracy.32.7%Uncommon
Clear FiringKill 25 drones without friendly fire. Four marines must be present in the mission.34.2%Uncommon
Under the GunRoll under a Swarm Ranger projectile.35.4%Uncommon
Zero MortalityComplete a mission on Normal difficulty or harder without any marines dying.36.5%Uncommon
Seal of QualitySeal a door with the welder.38.8%Uncommon
Quick LoadSuccessfully perform a fast reload.40.5%Uncommon
Protect the TechGuard the squad's tech so that he takes no damage during the hack.41.2%Uncommon
Shield DownDeliver the finishing blow to a Swarm Shieldbug.43.2%Uncommon
Quick and DeadKill a Swarm Boomer before it inflates.47.4%Uncommon
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