Alien Swarm/Achievements
Alien Swarm achievements by rarity
Global completion percentages from Steam, rarest first
Achievements
66
Rarest
15%
Ultra rare (<5%)
0
Avg. completion
23%
1
Nuke From Orbit
Kill 100,000 Swarm.
15%
2
SynTek Residential Speed Run
Complete SynTek Residential within 2:30 on Normal difficulty or harder without any marines dying.
15%
3
Timor Station Speed Run
Complete Timor Station within 4:25 on Normal difficulty or harder without any marines dying.
15%
4
Brutal Campaign
Awarded for finishing the Jacob campaign on Brutal difficulty.
15%
5
Security Expert
Complete 10 computer hacks without access being logged.
15%
6
Kill Them All
Kill 25,000 Swarm.
15%
7
Sewer Junction Speed Run
Complete Sewer Junction within 1:30 on Normal difficulty or harder without any marines dying.
15%
8
Landing Bay Speed Run
Complete Landing Bay within 1:25 on Normal difficulty or harder without any marines dying.
15%
9
Deima Surface Bridge Speed Run
Complete Deima Surface Bridge within 2:30 on Normal difficulty or harder without any marines dying.
15%
10
Outstanding Execution
Complete a campaign on Normal difficulty or harder without any marines dying.
15%
11
Hardcore
Complete any mission on Brutal difficulty with Onslaught and Hardcore Friendly Fire enabled.
15%
12
Cargo Elevator Speed Run
Complete Cargo Elevator within 2:50 on Normal difficulty or harder without any marines dying.
16%
13
Grenadier Expert
Kill 250 Swarm with a Grenade Launcher.
16%
14
Insane Campaign
Awarded for finishing the Jacob campaign on Insane difficulty.
16%
15
Professional Marksman
Kill 250 Swarm with a Marksman Rifle.
16%
16
Firewall Specialist
Kill 100 Swarm with Incendiary Mines.
16%
17
Rydberg Reactor Speed Run
Complete Rydberg Reactor within 3:10 on Normal difficulty or harder without any marines dying.
16%
18
Railgun Specialist
Kill 250 Swarm with a Rail Rifle.
16%
19
Tactical Explosives Expert
Kill 100 Swarm with Laser Tripmines.
16%
20
Slaughter Soldier
Kill 250 Swarm with a Chainsaw.
16%
21
Perfect
Complete a mission on Normal difficulty or harder without receiving any damage.
16%
22
High Voltage Expert
Kill 250 Swarm with a Tesla Cannon.
17%
23
Pistols Expert
Kill 250 Swarm with Twin Pistols.
17%
24
Minigun Master
Kill 250 Swarm with a Minigun.
17%
25
Hornet Barrage Expert
Kill 100 Swarm with Hornet Barrages.
17%
26
Peace Medic
Heal 300 points of damage in a single mission without dealing any non-melee damage to the Swarm.
17%
27
Circuit Breaker
Complete 10 wire hacks without access being logged.
17%
28
Static Defender
Kill 500 Swarm with deployable Sentry Guns.
18%
29
Shotgun Specialist
Kill 250 Swarm with a Shotgun.
18%
30
Another Bughunt
Kill 5,000 Swarm.
18%
31
Damage Amped
Kill 15 Swarm with all four marines under the effects of a Damage Amp in a single mission.
19%
32
Small Arms Specialist
Kill 250 Swarm with PDWs.
19%
33
Hard Campaign
Complete the Jacob's Rest campaign on Hard difficulty or harder.
19%
34
Bug Stomper
Kill 100 Swarm Grubs.
20%
35
Stay Frosty
Freeze 6 Swarm with a single Freeze Grenade.
20%
36
Ammo Technician
Deploy 10 ammo stashes that are used by other marines.
20%
37
Vindicator Veteran
Kill 250 Swarm with a Vindicator.
20%
38
Short Controlled Bursts
Complete a mission with no friendly fire incidents. Four marines must be present in the mission.
21%
39
Blast Radius
Kill 6 Swarm with a single Grenade.
21%
40
Armory Access
Unlock all the available weapons.
22%
41
Electro-Stunned
Stun 6 Swarm with a single Stun Grenade.
23%
42
Pyrotechnician
Kill 250 Swarm with a Flamethrower.
23%
43
Prototype Professional
Kill 250 Swarm with a Prototype Rifle.
23%
44
Gunslinger
Successfully perform 5 fast reloads in a row.
24%
45
Assault Specialist
Kill 250 Swarm with the Assault Rifle.
25%
46
Group Heal
Heal all 4 marines with a single Heal Beacon.
25%
47
Autogun Expert
Kill 250 Swarm with an Autogun.
26%
48
Normal Campaign
Complete the Jacob's Rest campaign on Normal difficulty or harder.
26%
49
Scrambled Eggs
Destroy all Swarm Eggs in a mission without allowing any to hatch.
27%
50
Smoking Barrels
Kill 5 Swarm with explosive barrels in a single mission.
27%
51
Parasite Puncher
Kill a Swarm Parasite with a melee attack.
28%
52
Infestation Savior
Cure an Infested marine.
29%
53
Easy Campaign
Complete the Jacob's Rest campaign on Easy difficulty or harder.
29%
54
On the Ready Line
Kill 1,000 Swarm.
32%
55
Close Encounters
Kill 20 Swarm with melee attacks in a single mission.
32%
56
Sharpshooter
Complete a mission with better than 90% accuracy.
33%
57
Clear Firing
Kill 25 drones without friendly fire. Four marines must be present in the mission.
34%
58
Under the Gun
Roll under a Swarm Ranger projectile.
35%
59
Zero Mortality
Complete a mission on Normal difficulty or harder without any marines dying.
37%
60
Seal of Quality
Seal a door with the welder.
39%
61
Quick Load
Successfully perform a fast reload.
41%
62
Protect the Tech
Guard the squad's tech so that he takes no damage during the hack.
41%
63
Shield Down
Deliver the finishing blow to a Swarm Shieldbug.
43%
64
Quick and Dead
Kill a Swarm Boomer before it inflates.
47%
65
Hat Trick
Complete 2 co-op missions online. Earns a Team Fortress 2 parasite hat.
55%
66
Technician Secured
Finish a mission without the tech getting killed.
56%
Percentages are Steam's global unlock rates across all players who own Alien Swarm, refreshed daily. See live player counts and stats for Alien Swarm.