Left 4 Dead Achievements

Crash Course DLC achievements

  • Survive the Crash Course Campaign.
    GS: 15
    14.54%
  • Restart the generator within 30 seconds of it shutting off in the Crash Course campaign.
    GS: 25
    11.12%
  • Kill 5,359 Infected in the Crash Course campaign.
    GS: 25
    4.83%
  • Win a Versus campaign of Crash Course.
    GS: 25
    5.75%
  • Your team wipes all Survivors after the escape vehicle has opened in Crash Course.
    GS: 35
    5.14%
  • Pounce a Survivor for 25 points of damage in the Crash Course campaign.
    GS: 25
    4.75%
  • Smoker pull a bile-covered Survivor until you hold him during Crash Course.
    GS: 25
    4.36%
  • Stun a Tank with an explosion in the Crash Course campaign.
    GS: 20
    7.80%
  • Your team incapacitates three Survivors within five seconds in the Crash Course campaign.
    GS: 35
    6.19%

Crash Course Title Update DLC achievements

  • As a Tank hit 20 Survivors with a car in the Crash Course campaign.
    GS: 20
    13.50%
  • Revive 50 incapacitated Survivors.
    GS: 20
    34.36%
  • Heal 25 Survivors with a first aid kit.
    GS: 20
    37.56%
  • Give pain pills to 10 Survivors.
    GS: 20
    41.23%
  • Protect any Survivor from an attacking Infected 50 times.
    GS: 15
    77.00%
  • Punch a Hunter as he is pouncing.
    GS: 10
    62.38%
  • Kill a Witch with a single headshot.
    GS: 30
    29.35%
  • No Survivors take damage after contacting the rescue vehicle.
    GS: 30
    10.30%
  • Rescue a Survivor from a Smoker's tongue before he takes damage.
    GS: 20
    91.07%
  • You or another Survivor take no damage after being vomited on by a Boomer.
    GS: 20
    83.35%
  • Survive an entire campaign using only pistols.
    GS: 30
    35.68%
  • Rescue a Survivor trapped in a closet.
    GS: 10
    75.65%
  • Shove a Hunter off of a pinned and helpless Survivor.
    GS: 10
    76.16%
  • Free yourself from a Smoker who has grabbed you with his tongue.
    GS: 20
    87.32%
  • Kill 10 Smokers as they are pulling helpless Survivors.
    GS: 15
    66.56%
  • Set 101 Infected on fire.
    GS: 20
    68.64%
  • Sneak past all Witches in a campaign without disturbing one.
    GS: 20
    33.34%
  • Single-handedly kill a Tank.
    GS: 30
    20.81%
  • Kill a Tank without it dealing any damage to a Survivor.
    GS: 20
    81.55%
  • Play an entire campaign with no Survivors taking friendly fire damage.
    GS: 30
    13.55%
  • Beat a campaign with all 4 Survivors.
    GS: 20
    68.93%
  • Finish a campaign without ever being healed.
    GS: 30
    21.98%
  • Kill a Witch without any Survivor taking damage from her.
    GS: 20
    60.92%
  • Kill 1000 Infected with a mounted machine gun.
    GS: 20
    12.36%
  • Blow up 20 Infected in a single explosion.
    GS: 20
    77.71%
  • Kill 53,595 Infected.
    GS: 20
    6.86%
  • Heal a fellow Survivor when your own health is below 10.
    GS: 10
    50.51%
  • Survive a campaign without being incapacitated.
    GS: 20
    39.98%
  • Survive any campaign on Expert.
    GS: 30
    12.69%
  • Survive all campaigns on Expert.
    GS: 35
    7.03%
  • Survive a campaign with no Survivors taking damage from Special Infected.
    GS: 30
    7.61%
  • Light a Witch with a Molotov.
    GS: 10
    62.85%
  • Light a Tank with a Molotov.
    GS: 10
    73.09%
  • Kill an Infected with a single blow from behind.
    GS: 10
    64.68%
  • All Survivors complete a campaign without being vomited on.
    GS: 20
    14.57%
  • Make 100 headshot kills.
    GS: 15
    82.79%
  • Headshot a Hunter while he's leaping.
    GS: 20
    46.42%
  • Survive the No Mercy campaign.
    GS: 15
    66.57%
  • Leave a safe room to save an incapped teammate and bring them back safely.
    GS: 20
    38.65%
  • Survive the Death Toll campaign.
    GS: 15
    58.43%
  • Survive the Dead Air campaign.
    GS: 15
    58.57%
  • Survive the Blood Harvest campaign.
    GS: 15
    54.11%
  • Save another Survivor from a Special Infected while on the ground.
    GS: 30
    54.77%
  • Shove a Boomer and then kill him without him splashing on anyone.
    GS: 10
    50.43%
  • Drag a Survivor 100 feet with your tongue.
    GS: 20
    29.93%
  • Constrict two Survivors in one life as a Smoker.
    GS: 20
    39.93%
  • Cover four Survivors with Boomer bile at once.
    GS: 20
    26.61%
  • Pounce two different Survivors in one life as a Hunter.
    GS: 20
    42.71%
  • Kill all four Survivors in one life while playing as a Tank.
    GS: 30
    17.99%
  • Dole out 5000 total Survivor damage as a Special Infected.
    GS: 20
    26.55%
  • As an Infected, incap a Survivor who has entered and left a safe room.
    GS: 20
    19.17%

The Sacrifice DLC achievements

  • Complete "The Sacrifice".
    GS: 50
    4.93%
  • Have Bill sacrifice himself for the team.
    GS: 50
    4.34%
  • Kill a Special Infected with an exploding barrel.
    GS: 50
    3.06%
  • Have all 3 generators running at once in "The Sacrifice" finale.
    GS: 50
    2.77%
  • As a Special Infected, incap someone who is trying to sacrifice themselves.
    GS: 50
    2.47%