Achievement Unlocked Visibility Global Unlocks
WING AND A PRAYER
Defend yourself at the crashed airliner without taking damage.
4.4%
STILL SOMETHING TO PROVE
Survive all campaigns on Expert.
2.1%
SEPTIC TANK
Use a bile bomb on a Tank.
32.7%
BRIDGE OVER TREBLED SLAUGHTER
Cross the bridge finale in less than three minutes.
4.3%
ONE HIT WONDER
As the Hunter, land a 25 damage pounce.
1.1%
ROBBED ZOMBIE
Collect 10 vials of Boomer vomit from infected CEDA agents you have killed.
14.3%
GOLDEN FREEMAN
Find the golden crowbars hidden in the Left 4 Dead 1 survival maps.
0.7%
Valve Gift Grab 2011 – L4D2
Collect three gifts dropped by Special Infected in Versus Mode.
7.3%
MUTANT OVERLORD
Play 6 Mutations.
3.4%
SUPREME SACRIFICE
Complete "The Sacrifice".
20.4%
THE MAIN ATTRACTION
On the concert finale, survive until the helicopter arrives without leaving the stage
1.7%
HEAD HONCHO
Decapitate 200 Infected with a melee weapon.
23.8%
ARMORY OF ONE
Deploy an ammo upgrade and have your team use it.
51.5%
ROCKY HORROR PICTURE THROW
Destroy a Tank's rock in mid-air.
13.3%
A LITTLE HACK AND SLASH
Earn a bronze medal on every official survival map
0.5%
KILLING SPREE
Earn a gold medal on every official survival map.
0.5%
LIKE LAMBS TO THE SLAUGHTER
Earn a silver medal on every official survival map.
0.5%
POLE POSITION
Escape Liberty Mall's Atrium before the first Tank appears
2.8%
HOUSEHOLD NAMES
Discover the hidden room in the Last Stand campaign
2.5%
CONFEDERACY OF CRUNCHES
Finish a campaign using only melee weapons.
3.6%
LICKETY-SPLIT
With a sharp melee weapon, cut a Smoker's tongue before he ensnares you.
9.0%
GUARDIN' GNOME
Rescue Gnome Chompski from the Carnival.
6.4%
FORE!
Knock off the heads of 18 infected with the golf club.
11.3%
KILLING THEM SWIFTLY TO THIS SONG
Play the new Midnight Riders song on a jukebox.
11.3%
GHOST OF CHRISTMAS PRESENT
Spread cheer by helping a free holiday player survive a campaign.
11.5%
GOOD GUY NICK
Plays games with free weekend players and helps them survive a campaign.
2.2%
CL0WND
Honk the noses of 10 Clowns.
9.7%
BURNING SENSATION
Ignite 50 Common Infected with incendiary ammo.
22.8%
VIOLENCE IN SILENCE
Navigate the impound lot and reach the cemetery safe room without tripping any alarms.
9.1%
FRIED PIPER
Using a Molotov, burn a Clown leading at least 10 Common Infected.
15.5%
CRASS MENAGERIE
Kill one of each Uncommon Infected.
39.1%
CHAIN OF COMMAND
Kill 100 Common Infected with the chainsaw.
25.3%
GET SKEETED ON
Kill a pouncing Hunter with a shotgun.
13.8%
BARREL ROLLED
Kill a Special Infected with an exploding barrel.
6.0%
ACID REFLEX
Kill a Spitter before she is able to spit.
66.5%
DEAD IN THE WATER
Kill 10 swampy Mudmen while they are in the water.
16.3%
TIL IT GOES CLICK
Using the M60, kill 25 infected without letting go of the trigger.
6.5%
KITE LIKE A MAN
Kill a Tank only with damage from the original Survivors.
11.4%
TANK BURGER
Kill a Tank with melee weapons.
8.0%
NEW HAIRCUT
Kill a Witch using only a sharp melee weapon, without anyone getting incapacitated or killed.
4.4%
CLUB DEAD
Use every melee weapon to kill Common Infected.
18.6%
Z-GENOCIDEST 2: EPISODE 2
Kill 53,599 infected. You made sure the dead won't rise anymore!
1.5%
PURE SATISFACTION
Kill 20 Jockeys with the shovel or pitchfork.
0.9%
DISMEMBERMENT PLAN
Kill 15 Infected with a single grenade launcher blast.
12.3%
THE LAST DASH
Complete The Last Stand campaign in 13 minutes or less, without any Survivors dying.
0.8%
LEVEL A CHARGE
Kill a Charger with a melee weapon while they are charging.
7.9%
SHOTGUN WEDDING
Kill the Witch bride with a single shotgun blast on expert difficulty.
0.9%
CACHE GRAB
Open 5 foot lockers.
11.7%
THREE’S A CROWD
Rescue three Survivors from a single rescue closet.
2.5%
SHOCK JOCK
Revive 10 dead Survivors with the defibrillator.
5.4%
ELEPHANT IN THE ROOM
Revive an incapacitated teammate while a Tank is nearby.
28.7%
CHAOS GENERATOR
Have all 3 generators running at once in "The Sacrifice" finale.
6.3%
KILL BILL
Have Bill sacrifice himself for the team.
14.4%
A RIDE DENIED
Kill a Jockey within 2 seconds of it jumping on a Survivor.
65.0%
GAS SHORTAGE
Cause 25 gas can drops as a Special Infected.
1.9%
CACHE AND CARRY
Collect 15 gas cans in a single Scavenge round.
4.5%
GAS GUZZLER
Collect 100 gas cans in Scavenge.
2.1%
GRAVE ROBBER
Collect 10 items dropped by a Fallen Survivor.
14.4%
FUEL CRISIS
Make a Survivor drop a gas can during overtime.
3.2%
PORT OF SCAVENGE
Play 5 full games of Scavenge on The Port.
1.6%
SCAVENGE HUNT
Stop the enemy team from collecting any gas cans during a Scavenge round.
5.4%
HUNTING PARTY
Win a game of Scavenge.
5.8%
THE QUICK AND THE DEAD
Revive 10 incapacitated Survivors while under the speed-boosting effects of adrenaline.
3.9%
STACHE WHACKER
Prove you are faster than Moustachio.
5.3%
GONG SHOW
Prove you are stronger than Moustachio.
4.7%
GETTING STARTED
Earn a bronze medal on any official Survival map.
9.0%
BEAT THE RUSH
In a Survival round, get a medal only using melee weapons.
2.0%
THIS IS WHERE THE FUN BEGINS
Earn a gold medal on any official survival map.
3.0%
ON OUR WAY
Earn a silver medal on any official survival map.
4.1%
THE BIG TEN
Survive for 10 minutes on any official map in Versus Survival.
0.6%
SUPREME SURVIVALIST
Survive for 30 minutes on any official survival map.
0.9%
BRIDGE BURNER
Survive the Parish campaign.
20.2%
STREAM CROSSER
Survive the Cold Stream campaign on any difficulty.
15.6%
THE REAL DEAL
Survive a campaign on Expert skill with Realism mode enabled.
2.4%
STILL STANDING
Survive The Last Stand campaign on any difficulty.
10.7%
THE LAST FRONTIER
Survive The Last Stand campaign on Expert Realism.
0.7%
PRICE CHOPPER
Survive the Dead Center campaign.
39.9%
MIDNIGHT RIDER
Survive the Dark Carnival campaign.
27.0%
RAGIN' CAJUN
Survive the Swamp Fever campaign.
20.0%
TORCH BEARER
Survive The Passing Campaign.
29.4%
WEATHERMAN
Survive the Hard Rain campaign.
22.4%
FAT NINJA
As the Boomer, vomit on a Survivor without having direct line of sight with them.
6.3%
SCATTERING RAM
As the Charger, bowl through the entire enemy team in a single charge.
7.8%
MEAT TENDERIZER
As the Charger, grab a Survivor and smash them into the ground for a solid 15 seconds.
13.4%
FLIGHT DECK
Instantly kill a Survivor as the Charger.
3.0%
LONG DISTANCE CARRIER
As the Charger, grab a Survivor and carry them over 80 feet.
10.0%
WEDDING CRASHER
As the Charger, grab a Survivor and crash them through 8 chairs at the wedding.
1.5%
CONNECTING FIGHTS
Play a Versus game on Dead Air from start to finish.
3.9%
STRENGTH IN NUMBERS
Form a team and beat an enemy team in 4v4 Versus or Scavenge.
1.6%
RODE HARD, PUT AWAY WET
As the Jockey, ride a Survivor and steer them into a Spitter's acid patch.
12.8%
QUALIFIED RIDE
As the Jockey, ride a Survivor for more than 12 seconds.
15.9%
BACK IN THE SADDLE
As the Jockey, ride the Survivors twice in a single life.
15.1%
HEARTWARMER
In a Versus round, leave the saferoom to defibrillate a dead teammate.
1.6%
SACRIFIZZLE
As a Special Infected, incap someone who is trying to sacrifice themselves.
1.6%
I SPIT ON YOUR GRAVE
As the Spitter, spit on a Survivor who is pinned by a Charger.
4.2%
GREAT EXPECTORATIONS
As the Spitter, hit every Survivor with a single acid patch.
19.1%
SPITFIRE
Destroy 20 gascans as the Spitter.
0.7%
ACID BATH
As the Spitter, spit on a Survivor who is pinned by a Hunter.
5.4%
A SPITTLE HELP FROM MY FRIENDS
As the Spitter, spit on a Survivor being choked by a Smoker.
10.4%
SOB STORY
Navigate the sugar mill and reach the safe room without killing any Witches.
6.3%
GNOME ALONE
If you are reading this achievement, Gabe Newell has successfully launched Gnome Chompski into space.
60.0%