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Left 4 Dead is a cooperative first-person shooter set during a zombie outbreak on the East Coast of the United States. Four players control survivors who must fight through hordes of infected humans, creatures transformed by a rabies-like pathogen that causes extreme aggression and loss of higher brain function. Gameplay emphasizes teamwork, with colored outlines showing teammate positions through walls, shared healing items, and friendly fire creating consequences for careless shooting. An AI system called the Director dynamically adjusts enemy placement, item spawns, and pacing based on player performance. Beyond common infected, players face five special mutated types with unique abilities. Campaigns are divided into levels connected by safe houses, each culminating in a desperate last stand for rescue.
Mac · Nov 17, 2008
North america · Exact date · IGDB
PC (Microsoft Windows) · Nov 17, 2008
North america · Exact date · IGDB
PC (Microsoft Windows) · Nov 18, 2008
Worldwide · Exact date · IGDB
Xbox 360 · Nov 18, 2008
Worldwide · Exact date · IGDB
Mac · Oct 27, 2010
Worldwide · Exact date · IGDB
Catalog sources
73 achievements available.

Kill 53,595 Infected.
LockedSteam

Kill 5,359 Infected in the Crash Course campaign.
LockedSteam

Beat a campaign with all 4 Survivors.
LockedSteam

Blow up 20 Infected in a single explosion.
LockedSteam

Light a Tank with a Molotov.
LockedSteam

Light a Witch with a Molotov.
LockedSteam

Set 101 Infected on fire.
LockedSteam

Survive an entire campaign using only pistols.
LockedSteam

Pounce a Survivor for 25 points of damage in the Crash Course campaign.
LockedSteam

Complete "The Sacrifice".
LockedSteam

Constrict two Survivors on one life as a Smoker.
LockedSteam

Cover four Survivors with Boomer bile at once.
LockedSteam

Save another Survivor from a Special Infected while on the ground.
LockedSteam

Dole out 5000 total Survivor damage as a Special Infected.
LockedSteam

Sneak past all Witches in a campaign without disturbing one.
LockedSteam

Smoker pull a bile-covered Survivor until you hold him during Crash Course.
LockedSteam

Drag a Survivor 100 feet with your tongue as a Smoker.
LockedSteam

Earn at least a Bronze medal on every official Survival level.
LockedSteam

Earn a Gold medal on every official Survival level.
LockedSteam

Earn at least a Silver medal on every official Survival level.
LockedSteam

Earn a Bronze medal in Survival mode on any official level.
LockedSteam

Earn a Gold medal in Survival mode on any official level.
LockedSteam

Earn a Silver medal in Survival mode on any official level.
LockedSteam

Give pain pills to 10 Survivors.
LockedSteam

Headshot a Hunter while he's leaping.
LockedSteam

Heal a fellow Survivor when your own health is below 10.
LockedSteam

Heal 25 Survivors with a first aid kit.
LockedSteam

As A Tank hit 20 Survivors with a car in the Crash Course campaign.
LockedSteam

Your team incapacitates three Survivors within five seconds.
LockedSteam

As an Infected, incap a Survivor who has entered and left a safe room.
LockedSteam

Catch a rare strain of infection, then pass it on to someone else.
LockedSteam

Kill an Infected with a single blow from behind.
LockedSteam

Kill all four Survivors on one life as a Tank.
LockedSteam

Kill a Special Infected with an exploding barrel.
LockedSteam

Kill a Tank without it dealing any damage to a Survivor.
LockedSteam

Single-handedly kill a Tank.
LockedSteam

Kill 1000 Infected with a mounted machine gun.
LockedSteam

Leave a safe room to save an incapped teammate and bring them back safely.
LockedSteam

Make 100 headshot kills.
LockedSteam

You or another Survivor take no damage after being vomited on by a Boomer.
LockedSteam

Play an entire campaign with no Survivors taking friendly fire damage.
LockedSteam

Finish a campaign without ever using a first aid kit on yourself.
LockedSteam

No Survivors take damage after contacting the rescue vehicle.
LockedSteam

Kill a Witch with a single headshot.
LockedSteam

Complete one round of Survival on The Last Stand.
LockedSteam

Pounce two different Survivors on one life as a Hunter.
LockedSteam

Protect any Survivor from an attacking Infected 50 times.
LockedSteam

Punch a Hunter as he is pouncing.
LockedSteam

Restart the generator within 30 seconds of it shutting off.
LockedSteam

Rescue a Survivor trapped in a closet.
LockedSteam

Shove a Hunter off of a pinned and helpless Survivor.
LockedSteam

Rescue a Survivor from a Smoker's tongue before he takes damage.
LockedSteam

Kill a Smoker who has grabbed you with his tongue.
LockedSteam

Kill 10 Smokers as they are pulling helpless Survivors.
LockedSteam

Revive 50 incapacitated Survivors.
LockedSteam

Have all 3 generators running at once in "The Sacrifice" finale.
LockedSteam

Have Bill sacrifice himself for the team.
LockedSteam

Shove a Boomer and then kill him without him splashing on anyone.
LockedSteam

Survive the Dead Air campaign.
LockedSteam

Survive all campaigns on Expert.
LockedSteam

Survive any campaign on Expert.
LockedSteam

Survive the Blood Harvest campaign.
LockedSteam

Survive the Crash Course Campaign.
LockedSteam

Survive the No Mercy campaign.
LockedSteam

Survive a campaign with no Survivors taking damage from Special Infected.
LockedSteam

All Survivors complete a campaign without being vomited on.
LockedSteam

Survive the Death Toll campaign.
LockedSteam

Survive a campaign without being incapacitated.
LockedSteam

Stun a Tank with an explosion in the Crash Course campaign.
LockedSteam

As a Special Infected, incap someone who is trying to sacrifice themselves.
LockedSteam

Win a Versus campaign of Crash Course.
LockedSteam

Your team wipes all Survivors after the escape vehicle has opened in Crash Course.
LockedSteam

Kill a Witch without any Survivor taking damage from her.
LockedSteam
Community notes

Main game