Left 4 Dead achievements

73 achievements on Steam

Rarest first. Published rarity by platform.

Each platform measures its own player population.Why that matters

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison. Percentages are shown exactly as each platform publishes them — Pyroblast does not recalculate them or mix player populations together.

Played it? See which of these you've earned

20 CAR PILE-UPSteam only
As A Tank hit 20 Survivors with a car in the Crash Course campaign.
Steam2.4%
SacrifizzleSteam only
As a Special Infected, incap someone who is trying to sacrifice themselves.
Steam2.5%
TRUCK STOPSteam only
Your team wipes all Survivors after the escape vehicle has opened in Crash Course.
Steam2.6%
LEGENDARY SURVIVORSteam only
Earn a Gold medal on every official Survival level.
Steam2.7%
HEROIC SURVIVORSteam only
Earn at least a Silver medal on every official Survival level.
Steam2.8%
NOTHING SPECIALSteam only
Survive a campaign with no Survivors taking damage from Special Infected.
Steam2.9%
JUMPIN' JACK SMASHSteam only
Pounce a Survivor for 25 points of damage in the Crash Course campaign.
Steam3.0%
DISTINGUISHED SURVIVORSteam only
Earn at least a Bronze medal on every official Survival level.
Steam3.3%
Barrel RolledSteam only
Kill a Special Infected with an exploding barrel.
Steam3.4%
THE LITTLEST GENOCIDESteam only
Kill 5,359 Infected in the Crash Course campaign.
Steam3.4%
WHAT ARE YOU TRYING TO PROVE?Steam only
Survive all campaigns on Expert.
Steam3.6%
WIPEFESTSteam only
Your team incapacitates three Survivors within five seconds.
Steam3.7%
SLIPPERY PULLSteam only
Smoker pull a bile-covered Survivor until you hold him during Crash Course.
Steam3.9%
SAFETY FIRSTSteam only
Play an entire campaign with no Survivors taking friendly fire damage.
Steam4.0%
Chaos GeneratorSteam only
Have all 3 generators running at once in "The Sacrifice" finale.
Steam4.1%
ZOMBIE GENOCIDESTSteam only
Kill 53,595 Infected.
Steam4.5%
RED MISTSteam only
Kill 1000 Infected with a mounted machine gun.
Steam5.0%
SMASH HITSteam only
Win a Versus campaign of Crash Course.
Steam5.6%
Kill BillSteam only
Have Bill sacrifice himself for the team.
Steam6.2%
UNBREAKABLESteam only
Finish a campaign without ever using a first aid kit on yourself.
Steam6.3%
ZOMBICIDAL MANIACSteam only
Survive any campaign on Expert.
Steam6.5%
STOMACH UPSETSteam only
All Survivors complete a campaign without being vomited on.
Steam7.2%
AKIMBO ASSASSINSteam only
Survive an entire campaign using only pistols.
Steam7.5%
All 4 DeadSteam only
Kill all four Survivors on one life as a Tank.
Steam7.6%
MAN VS TANKSteam only
Single-handedly kill a Tank.
Steam7.8%
UNTOUCHABLESSteam only
No Survivors take damage after contacting the rescue vehicle.
Steam8.2%
TANK STUMBLESteam only
Stun a Tank with an explosion in the Crash Course campaign.
Steam8.7%
BARF BAGGEDSteam only
Cover four Survivors with Boomer bile at once.
Steam8.8%
Supreme SacrificeSteam only
Complete "The Sacrifice".
Steam9.0%
DEAD WRECKENINGSteam only
Dole out 5000 total Survivor damage as a Special Infected.
Steam9.4%
VIOLENCE IS GOLDENSteam only
Earn a Gold medal in Survival mode on any official level.
Steam9.4%
LAMB 2 SLAUGHTERSteam only
As an Infected, incap a Survivor who has entered and left a safe room.
Steam10%
BIG DRAGSteam only
Drag a Survivor 100 feet with your tongue as a Smoker.
Steam10%
SILVER BULLETSSteam only
Earn a Silver medal in Survival mode on any official level.
Steam11%
CR0WNDSteam only
Kill a Witch with a single headshot.
Steam11%
FIELD MEDICSteam only
Heal 25 Survivors with a first aid kit.
Steam11%
DO NOT DISTURBSteam only
Sneak past all Witches in a campaign without disturbing one.
Steam13%
LAST STANDSteam only
Complete one round of Survival on The Last Stand.
Steam13%
BACK 2 HELPSteam only
Leave a safe room to save an incapped teammate and bring them back safely.
Steam13%
PHARM-ASSISTSteam only
Give pain pills to 10 Survivors.
Steam14%
HELPING HANDSteam only
Revive 50 incapacitated Survivors.
Steam14%
CHAIN SMOKERSteam only
Constrict two Survivors on one life as a Smoker.
Steam14%
QUICK POWERSteam only
Restart the generator within 30 seconds of it shutting off.
Steam14%
DOUBLE JUMPSteam only
Pounce two different Survivors on one life as a Hunter.
Steam15%
BRONZE METTLESteam only
Earn a Bronze medal in Survival mode on any official level.
Steam16%
DEAD GIVEAWAYSteam only
Heal a fellow Survivor when your own health is below 10.
Steam16%
STAND TALLSteam only
Survive a campaign without being incapacitated.
Steam20%
GRIM REAPERSteam only
Survive the Blood Harvest campaign.
Steam21%
CLEAN KILLSteam only
Shove a Boomer and then kill him without him splashing on anyone.
Steam22%
OUTBREAKSteam only
Catch a rare strain of infection, then pass it on to someone else.
Steam23%
TOLL COLLECTORSteam only
Survive the Death Toll campaign.
Steam24%
DEAD BARONSteam only
Survive the Dead Air campaign.
Steam24%
GROUND COVERSteam only
Save another Survivor from a Special Infected while on the ground.
Steam25%
CRASH-PROOFSteam only
Survive the Crash Course Campaign.
Steam25%
JUMP SHOTSteam only
Headshot a Hunter while he's leaping.
Steam27%
DEAD STOPSteam only
Punch a Hunter as he is pouncing.
Steam32%
BURN THE WITCHSteam only
Light a Witch with a Molotov.
Steam32%
SPINAL TAPSteam only
Kill an Infected with a single blow from behind.
Steam33%
MERCY KILLERSteam only
Survive the No Mercy campaign.
Steam34%
NO SMOKING SECTIONSteam only
Kill 10 Smokers as they are pulling helpless Survivors.
Steam34%

Showing 60 of 73

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How rarity is calculated

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison.

Steam — Valve's published global unlock percentage across Steam owners of the game.

Percentages are shown exactly as each platform publishes them. Pyroblast does not recalculate them and does not mix player populations together. Data updated August 9, 2026.