1.0·Every feature free until Premium arrives in October
Alien Swarm achievements, rarest first.
Every achievement in Alien Swarm, ranked by how many Steam players have unlocked it. Global completion rates from Steam, refreshed daily.
The rarest achievement
Nuke From Orbit
15%
of players
- Achievements
- 66
- Rarest
- 15%
- Ultra rare (under 5%)
- 0
- Average 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
Deima Surface Bridge Speed Run
Complete Deima Surface Bridge within 2:30 on Normal difficulty or harder without any marines dying.
15%
8
Sewer Junction Speed Run
Complete Sewer Junction within 1:30 on Normal difficulty or harder without any marines dying.
15%
9
Outstanding Execution
Complete a campaign on Normal difficulty or harder without any marines dying.
15%
10
Landing Bay Speed Run
Complete Landing Bay within 1:25 on Normal difficulty or harder without any marines dying.
15%
11
Cargo Elevator Speed Run
Complete Cargo Elevator within 2:50 on Normal difficulty or harder without any marines dying.
15%
12
Hardcore
Complete any mission on Brutal difficulty with Onslaught and Hardcore Friendly Fire enabled.
15%
13
Insane Campaign
Awarded for finishing the Jacob campaign on Insane difficulty.
16%
14
Grenadier Expert
Kill 250 Swarm with a Grenade Launcher.
16%
15
Professional Marksman
Kill 250 Swarm with a Marksman Rifle.
16%
16
Rydberg Reactor Speed Run
Complete Rydberg Reactor within 3:10 on Normal difficulty or harder without any marines dying.
16%
17
Railgun Specialist
Kill 250 Swarm with a Rail Rifle.
16%
18
Firewall Specialist
Kill 100 Swarm with Incendiary Mines.
16%
19
Tactical Explosives Expert
Kill 100 Swarm with Laser Tripmines.
16%
20
Perfect
Complete a mission on Normal difficulty or harder without receiving any damage.
16%
21
Slaughter Soldier
Kill 250 Swarm with a Chainsaw.
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
Small Arms Specialist
Kill 250 Swarm with PDWs.
18%
32
Damage Amped
Kill 15 Swarm with all four marines under the effects of a Damage Amp in a single mission.
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
Vindicator Veteran
Kill 250 Swarm with a Vindicator.
20%
37
Ammo Technician
Deploy 10 ammo stashes that are used by other marines.
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. Under 5% is marked in the lit blue.