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Steam achievements are tracked with your Steam account as you play Alien Swarm or Alien Swarm: Reactive Drop. Earning an achievement grants 50 bonus experience per each individual achievement upon completion or failure of a mission, modified by the current difficulty multiplier; some of these achievements are repeatable as well, offering a chance for bonus experience throughout the course of play for faster leveling.

In total, there are currently 66 achievements in Alien Swarm Source and 151 achievements in Alien Swarm: Reactive Drop.

Alien Swarm Source[]

Newbies[]

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

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

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

Technician Secured
Finish a mission without the tech getting killed.

Quick Load
Successfully perform a fast reload.

Gunslinger
Successfully perform 5 fast reloads in a row.

Quick and Dead
Kill a Swarm Boomer before it inflates.

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

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

Seal of Quality
Seal a door with the welder.

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

Shield Down
Deliver the finishing blow to a Swarm Shieldbug.

Group Heal
Heal all 4 marines with a single Heal Beacon.

Infestation Savior
Cure an Infested marine.

Under the Gun
Roll under a Swarm Ranger projectile.

Close Encounters
Kill 20 Swarm with melee attacks in a single mission.

Ammo Technician
Deploy 10 ammo stashes that are used by other marines.

Gimmicks[]

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

Speedruns[]

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

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

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

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

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

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

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

Class Weapons[]

Vindicator Veteran
Kill 250 Swarm with a Vindicator.

Autogun Expert
Kill 250 Swarm with an Autogun.

Minigun Master
Kill 250 Swarm with a Minigun.

Prototype Professional
Kill 250 Swarm with a Prototype Rifle.

Firewall Specialist
Kill 100 Swarm with Incendiary Mines.

Progress[]

Insane Campaign
Complete the Jacob's Rest campaign on Insane difficulty.

Brutal Campaign
Complete the Jacob's Rest campaign on Brutal difficulty.

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

Armory Access
Unlock all the available weapons.

Sharpshooter
Complete a mission with better than 90% accuracy.

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

Security Expert
Complete 10 computer hacks without access being logged.

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

Parasite Puncher
Kill a Swarm Parasite with a melee attack.

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

Perfect
Kill at least 25 aliens on Normal difficulty or higher and finish the mission without taking any damage.

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

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

Circuit Breaker
Complete 10 wire hacks without access being logged.

Kills[]

Assault Specialist
Kill 250 Swarm with the Assault Rifle.

Pyrotechnician
Kill 250 Swarm with a Flamethrower.

High Voltage Expert
Kill 250 Swarm with a Tesla Cannon.

Shotgun Specialist
Kill 250 Swarm with a Shotgun.

Professional Marksman
Kill 250 Swarm with a Marksman Rifle.

Slaughter Soldier
Kill 250 Swarm with a Chainsaw.

Small Arms Specialist
Kill 250 Swarm with PDWs.

Railgun Specialist
Kill 250 Swarm with a Rail Rifle.

Pistols Expert
Kill 250 Swarm with Twin Pistols.

Grenadier Expert
Kill 250 Swarm with a Grenade Launcher.

Hornet Barrage Expert
Kill 100 Swarm with Hornet Barrages.

Tactical Explosives Expert
Kill 100 Swarm with Laser Tripmines.

Static Defender
Kill 500 Swarm with deployable Sentry Guns.

Alien Type Kills[]

Bug Stomper
Kill 100 Swarm Grubs.

Total Kills[]

On the Ready Line
Kill 1,000 Swarm.

Another Bughunt
Kill 5,000 Swarm.

Kill Them All
Kill 25,000 Swarm.

Nuke From Orbit
Kill 100,000 Swarm.

Miscellaneous[]

Electro-Stunned
Stun 6 Swarm with a single Stun Grenade.

Stay Frosty
Freeze 6 Swarm with a single Freeze Grenade.

Smoking Barrels
Kill 5 Swarm with explosive barrels in a single mission.

Blast Radius
Kill 6 Swarm with a single Grenade.

Alien Swarm: Reactive Drop[]

Mission Performance[]

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

Short Controlled Bursts
Complete a mission with no friendly fire incidents

Sharpshooter
Complete a mission with better than 90% accuracy

Quick Load
Successfully perform a fast reload.

Gunslinger
Successfully perform 5 fast reloads in a row.

Close Encounters
Kill 20 Swarm with melee attacks in a single mission.

Smoking Barrels
Kill 5 Swarm with explosive barrels in a single mission.

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

Technician Secured
Finish a mission without the tech getting killed.

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

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

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

Swarm-Specific[]

Shield Down
Deliver the finishing blow to a Swarm Shieldbug.

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

Bug Stomper
Kill 100 Swarm Grubs.

Parasite Puncher
Kill a Swarm Parasite with a melee attack.

Under the Gun
Roll under a Swarm Ranger projectile.

Quick and Dead
Kill a Swarm Boomer before it inflates.

Class-Specific[]

Officer[]

Vindicator Veteran
Kill 250 Swarm with the Vindicator.

Firewall Specialist
Kill 100 Swarm with Incendiary Mines.

Special Weapons[]

Autogun Expert
Kill 250 Swarm with the Autogun.

Minigun Master
Kill 250 Swarm with the Minigun.

Devastated
Kill 250 Swarm with the Devastator.

Medic[]

Infestation Savior
Cure an Infested marine.

Group Heal
Heal all 4 marines with a single Heal Beacon.

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

Chemical Warfare
Kill 500 Swarm with Gas Grenades.

Combat Medic
Kill 500 Swarm with the Med Rifle.

Tech[]

Prototype Professional
Kill 250 Swarm with the Prototype Rifle.

Electro-Stunned
Stun 6 Swarm with a single Stun Grenade.

Circuit Breaker
Complete 10 wire hacks without access being logged.

Security Expert
Complete 10 computer hacks without access being logged.

Total Kills[]

On the Ready Line
Kill 1,000 Swarm.

Another Bughunt
Kill 5,000 Swarm.

Kill Them All
Kill 25,000 Swarm.

Nuke From Orbit
Kill 100,000 Swarm.

Weapons and Equipment[]

Either Weapons or Equipment[]

Blast Radius
Kill 6 Swarm with a single Grenade.

Equipment[]

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

Seal of Quality
Seal a door with the welder.

Stay Frosty
Freeze 6 Swarm with a single Freeze Grenade.

Hornet Barrage Expert
Kill 100 Swarm with Hornet Barrage attacks.

Tactical Explosives Expert
Kill 100 Swarm with Laser Tripmines.

Weapons[]

Ammo Technician
Deploy 10 ammo stashes that are used by other marines.

Static Defender
Kill 500 Swarm with deployable Sentry Guns.

Assault Specialist
Kill 250 Swarm with the Assault Rifle.

Shotgun Specialist
Kill 250 Swarm with the Shotgun.

Pistols Expert
Kill 250 Swarm with the Pistols.

Small Arms Specialist
Kill 250 Swarm with the PDWs.

High Voltage Expert
Kill 250 Swarm with the Tesla Cannon.

Railgun Specialist
Kill 250 Swarm with the Rail Rifle.

Pyrotechnician
Kill 250 Swarm with the Flamer.

Slaughter Soldier
Kill 250 Swarm with the Chainsaw.

Professional Marksman
Kill 250 Swarm with the Marksman Rifle.

Grenadier Expert
Kill 250 Swarm with the Grenade Launcher.

Combat Specialist
Kill 250 Swarm with the Combat Rifle.

Screamin' Eagle
Kill 250 Swarm with the Desert Eagle.

Armory Access
Unlock all the available weapons.

Heavy Assault Specialist
Kill 500 Swarm with the Heavy Rifle.

Campaign-Specific[]

Jacob's Rest[]

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

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

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

Insane Campaign: Jacob's Rest
Complete the Jacob's Rest campaign on Insane difficulty or harder.

Brutal Campaign: Jacob's Rest
Complete the Jacob's Rest campaign on Brutal difficulty.

Outstanding Execution: Jacob's Rest
Complete the Jacob's Rest campaign on Normal difficulty or harder without any marines dying.

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

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

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

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

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

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

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

Area 9800[]

Easy Campaign: Area 9800
Complete the Area 9800 campaign on Easy difficulty or harder.

Normal Campaign: Area 9800
Complete the Area 9800 campaign on Normal difficulty or harder.

Hard Campaign: Area 9800
Complete the Area 9800 campaign on Hard difficulty or harder.

Insane Campaign: Area 9800
Complete the Area 9800 campaign on Insane difficulty or harder.

Brutal Campaign: Area 9800
Complete the Area 9800 campaign on Brutal difficulty.

Outstanding Execution: Area 9800
Complete the Area 9800 campaign on Normal difficulty or harder without any marines dying.

Landing Zone Speed Run
Complete Landing Zone within 2:35 on Normal difficulty or harder without any marines dying.

Cooling Pump Speed Run
Complete Cooling Pump within 2:05 on Normal difficulty or harder without any marines dying.

Power Generator Speed Run
Complete Power Generator within 2:25 on Normal difficulty or harder without any marines dying.

Wastelands Speed Run
Complete Wastelands within 1:35 on Normal difficulty or harder without any marines dying.

Lana's Escape[]

Easy Campaign: Lana's Escape
Complete the Lana's Escape campaign on Easy difficulty or harder.

Normal Campaign: Lana's Escape
Complete the Lana's Escape campaign on Normal difficulty or harder.

Hard Campaign: Lana's Escape
Complete the Lana's Escape campaign on Hard difficulty or harder.

Insane Campaign: Lana's Escape
Complete the Lana's Escape campaign on Insane difficulty or harder.

Brutal Campaign: Lana's Escape
Complete the Lana's Escape campaign on Brutal difficulty.

Outstanding Execution: Lana's Escape
Complete the Lana's Escape campaign on Normal difficulty or harder without any marines dying.

Lana's Bridge Speed Run
Complete Lana's Bridge within 2:37 on Normal difficulty or harder without any marines dying.

Lana's Sewer Speed Run
Complete Lana's Sewer within 2:25 on Normal difficulty or harder without any marines dying.

Lana's Maintenance Speed Run
Complete Lana's Maintenance within 2:16 on Normal difficulty or harder without any marines dying.

Lana's Vents Speed Run
Complete Lana's Vents within 2:48 on Normal difficulty or harder without any marines dying.

Lana's Complex Speed Run
Complete Lana's Complex within 4:48 on Normal difficulty or harder without any marines dying.

Operation Cleansweep[]

Easy Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Easy difficulty or harder.

Normal Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Normal difficulty or harder.

Hard Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Hard difficulty or harder.

Insane Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Insane difficulty or harder.

Brutal Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Brutal difficulty.

Outstanding Execution: Operation Cleansweep
Complete the Operation Cleansweep campaign on Normal difficulty or harder without any marines dying.

Storage Facility Speed Run
Complete Storage Facility within 1:05 on Normal difficulty or harder without any marines dying.

Landing Bay 7 Speed Run
Complete Landing Bay 7 within 1:30 on Normal difficulty or harder without any marines dying.

U.S.C. Medusa Speed Run
Complete U.S.C. Medusa within 2:45 on Normal difficulty or harder without any marines dying.

Paranoia[]

Easy Campaign: Paranoia
Complete the Paranoia campaign on Easy difficulty or harder.

Normal Campaign: Paranoia
Complete the Paranoia campaign on Normal difficulty or harder.

Hard Campaign: Paranoia
Complete the Paranoia campaign on Hard difficulty or harder.

Insane Campaign: Paranoia
Complete the Paranoia campaign on Insane difficulty or harder.

Brutal Campaign: Paranoia
Complete the Paranoia campaign on Brutal difficulty.

Outstanding Execution: Paranoia
Complete the Paranoia campaign on Normal difficulty or harder without any marines dying.

Unexpected Encounter Speed Run
Complete Unexpected Encounter within 1:05 on Normal difficulty or harder without any marines dying.

Hostile Places Speed Run
Complete Hostile Places within 1:20 on Normal difficulty or harder without any marines dying.

Close Contact Speed Run
Complete Close Contact within 1:10 on Normal difficulty or harder without any marines dying.

High Tension Speed Run
Complete High Tension within 3:50 on Normal difficulty or harder without any marines dying.

Crucial Point Speed Run
Complete Crucial Point within 3:00 on Normal difficulty or harder without any marines dying.

Research 7[]

Easy Campaign: Research 7
Complete the Research 7 campaign on Easy difficulty or harder.

Normal Campaign: Research 7
Complete the Research 7 campaign on Normal difficulty or harder.

Hard Campaign: Research 7
Complete the Research 7 campaign on Hard difficulty or harder.

Insane Campaign: Research 7
Complete the Research 7 campaign on Insane difficulty or harder.

Brutal Campaign: Research 7
Complete the Research 7 campaign on Brutal difficulty.

Outstanding Execution: Research 7
Complete the Research 7 campaign on Normal difficulty or harder without any marines dying.

Transport Facility Speed Run
Complete Transport Facility within 1:45 on Normal difficulty or harder without any marines dying.

Research 7 Speed Run
Complete Research 7 within 2:30 on Normal difficulty or harder without any marines dying.

Illyn Forest Speed Run
Complete Illyn Forest within 3:40 on Normal difficulty or harder without any marines dying.

Jericho Mines Speed Run
Complete Jericho Mines within 3:30 on Normal difficulty or harder without any marines dying.

Tears for Tarnor[]

Easy Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Easy difficulty or harder.

Normal Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Normal difficulty or harder.

Hard Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Hard difficulty or harder.

Insane Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Insane difficulty or harder.

Brutal Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Brutal difficulty.

Outstanding Execution: Tears for Tarnor
Complete the Tears for Tarnor campaign on Normal difficulty or harder without any marines dying.

Insertion Point Speed Run
Complete Insertion Point within 2:48 on Normal difficulty or harder without any marines dying.

Abandoned Maintenance Tunnels Speed Run
Complete Abandoned Maintenance Tunnels within 2:22 on Normal difficulty or harder without any marines dying.

Oasis Colony Spaceport Speed Run
Complete Oasis Colony Spaceport within 4:24 on Normal difficulty or harder without any marines dying.

Tilarus-5[]

Easy Campaign: Tilarus-5
Complete the Tilarus-5 campaign on Easy difficulty or harder.

Normal Campaign: Tilarus-5
Complete the Tilarus-5 campaign on Normal difficulty or harder.

Hard Campaign: Tilarus-5
Complete the Tilarus-5 campaign on Hard difficulty or harder.

Insane Campaign: Tilarus-5
Complete the Tilarus-5 campaign on Insane difficulty or harder.

Brutal Campaign: Tilarus-5
Complete the Tilarus-5 campaign on Brutal difficulty.

Outstanding Execution: Tilarus-5
Complete the Tilarus-5 campaign on Normal difficulty or harder without any marines dying.

Midnight Port Speed Run
Complete Midnight Port within 2:25 on Normal difficulty or harder without any marines dying.

Road to Dawn Speed Run
Complete Road to Dawn within 4:08 on Normal difficulty or harder without any marines dying.

Arctic Infiltration Speed Run
Complete Arctic Infiltration within 2:12 on Normal difficulty or harder without any marines dying.

Area9800 Landingzone Speed Run
Complete Area9800 Landingzone within 2:28 on Normal difficulty or harder without any marines dying.

Cold Catwalks Speed Run
Complete Cold Catwalks within 2:10 on Normal difficulty or harder without any marines dying.

Yanaurus Mine Speed Run
Complete Yanaurus Mine within 3:23 on Normal difficulty or harder without any marines dying.

The Factory Speed Run
Complete The Factory within 2:30 on Normal difficulty or harder without any marines dying.

Communication Center Speed Run
Complete Communication Center within 3:21 on Normal difficulty or harder without any marines dying.

SynTek Hospital Speed Run
Complete SynTek Hospital within 3:00 on Normal difficulty or harder without any marines dying.

External links[]

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