Left 4 Dead

40 of 73 ach. unlocked (55%)
tranquil's achievements in Left 4 Dead
Set 101 Infected on fire.
Survive an entire campaign using only pistols.
Leave a safe room to save an incapped teammate and bring them back safely.
You or another Survivor take no damage after being vomited on by a Boomer.
Make 100 headshot kills.
Light a Witch with a Molotov.
Constrict two Survivors on one life as a Smoker.
Shove a Boomer and then kill him without him splashing on anyone.
Kill a Witch with a single headshot.
Survive the Crash Course Campaign.
Aug 30, 11
Survive the Dead Air campaign.
Heal a fellow Survivor when your own health is below 10.
Punch a Hunter as he is pouncing.
Sneak past all Witches in a campaign without disturbing one.
Pounce two different Survivors on one life as a Hunter.
Rescue a Survivor from a Smoker's tongue before he takes damage.
Heal 25 Survivors with a first aid kit.
Survive the Blood Harvest campaign.
Save another Survivor from a Special Infected while on the ground.
Revive 50 incapacitated Survivors.
Aug 30, 11
Rescue a Survivor trapped in a closet.
Shove a Hunter off of a pinned and helpless Survivor.
Headshot a Hunter while he's leaping.
As an Infected, incap a Survivor who has entered and left a safe room.
Single-handedly kill a Tank.
Aug 30, 11
Survive the No Mercy campaign.
Protect any Survivor from an attacking Infected 50 times.
Kill 10 Smokers as they are pulling helpless Survivors.
Beat a campaign with all 4 Survivors.
Give pain pills to 10 Survivors.
Blow up 20 Infected in a single explosion.
Kill 1000 Infected with a mounted machine gun.
Kill an Infected with a single blow from behind.
Survive a campaign without being incapacitated.
Kill a Tank without it dealing any damage to a Survivor.
Survive the Death Toll campaign.
Kill a Smoker who has grabbed you with his tongue.
Light a Tank with a Molotov.
Finish a campaign without ever using a first aid kit on yourself.
Kill a Witch without any Survivor taking damage from her.
As A Tank hit 20 Survivors with a car in the Crash Course campaign.
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Kill all four Survivors on one life as a Tank.
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Cover four Survivors with Boomer bile at once.
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Kill a Special Infected with an exploding barrel.
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Drag a Survivor 100 feet with your tongue as a Smoker.
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Earn a Bronze medal in Survival mode on any official level.
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Have all 3 generators running at once in "The Sacrifice" finale.
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Dole out 5000 total Survivor damage as a Special Infected.
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Earn at least a Bronze medal on every official Survival level.
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Earn at least a Silver medal on every official Survival level.
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Pounce a Survivor for 25 points of damage in the Crash Course campaign.
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Have Bill sacrifice himself for the team.
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Complete one round of Survival on The Last Stand.
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Earn a Gold medal on every official Survival level.
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Survive a campaign with no Survivors taking damage from Special Infected.
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Catch a rare strain of infection, then pass it on to someone else.
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Restart the generator within 30 seconds of it shutting off.
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As a Special Infected, incap someone who is trying to sacrifice themselves.
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Play an entire campaign with no Survivors taking friendly fire damage.
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Earn a Silver medal in Survival mode on any official level.
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Smoker pull a bile-covered Survivor until you hold him during Crash Course.
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Win a Versus campaign of Crash Course.
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All Survivors complete a campaign without being vomited on.
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Complete "The Sacrifice".
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Stun a Tank with an explosion in the Crash Course campaign.
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Kill 5,359 Infected in the Crash Course campaign.
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Your team wipes all Survivors after the escape vehicle has opened in Crash...
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No Survivors take damage after contacting the rescue vehicle.
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Earn a Gold medal in Survival mode on any official level.
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Survive all campaigns on Expert.
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Your team incapacitates three Survivors within five seconds.
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Survive any campaign on Expert.
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Kill 53,595 Infected.
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