Left 4 Dead/Achievements

Survivor Achievements

 * [[Image:L4D_HelpingHand.jpg]] || Helping Hand || Revive 50 incapacitated Survivors. ||
 * [[Image:L4D_FieldMedic.jpg]] || Field Medic || Heal 25 Survivors with a first aid kit. ||
 * [[Image:L4D_Pharm-Assist.jpg]] || Pharm-assist || Give pain pills to 10 Survivors. ||
 * [[Image:L4D_MyBodyguard.jpg]] || My Bodyguard || Protect any Survivor from an attacking Infected 50 times. ||
 * [[Image:L4D_DeadStop.jpg]] || Dead Stop || Punch a Hunter while he is pouncing. ||
 * [[Image:L4D_Cr0wnd.jpg]] || Cr0wnd || Kill a Witch with a single headshot. ||
 * [[Image:L4D_Untouchables.jpg]] || Untouchables || No Survivor takes damage after contacting the rescue vehicle. ||
 * [[Image:L4D_DragAndDrop.jpg]] || Drag and Drop || Rescue a Survivor from a Smoker's tongue before he is injured. ||
 * [[Image:L4D_BlindLuck.jpg]] || Blind Luck || You or another Survivor take no damage after being vomited on by a Boomer. ||
 * [[Image:L4D_AkimboAssassin.jpg]] || Akimbo Assassin || Survive an entire campaign using only pistols. ||
 * [[Image:L4D_HeroCloset.jpg]] || Hero Closet || Rescue a Survivor trapped in a closet. ||
 * [[Image:L4D_HunterPunter.jpg]] || Hunter Punter || Shove a Hunter off a pinned and helpless Survivor. ||
 * [[Image:L4D_TongueTwister.jpg]] || Tongue Twister || Free yourself from a Smoker who has grabbed you with his tongue. ||
 * [[Image:L4D_NoSmokingSection.jpg]] || No Smoking Section || Kill 10 Smokers as they are pulling helpless survivors. ||
 * [[Image:L4D_101Cremations.jpg]] || 101 Cremations || Set 101 Infected on fire. ||
 * [[Image:L4D_DoNotDisturb.jpg]] || Do Not Disturb || Sneak past all Witches in a campaign without disturbing one. ||
 * [[Image:L4D_ManVsTank.jpg]] || Man vs Tank || Single-handedly kill a Tank. ||
 * [[Image:L4D_Tankbusters.jpg]] || Tankbusters || Kill a Tank without it dealing any damage to a Survivor. ||
 * [[Image:L4D_SafetyFirst.jpg]] || Safety First || Play an entire campaign with no Survivors taking friendly fire damage. ||
 * [[Image:L4D_No-OneLeftBehind.jpg]] || No-one Left Behind || Beat a campaign with all four Survivors. ||
 * [[Image:L4D_Unbreakable.jpg]] || Unbreakable || Finish a campaign without ever being healed. ||
 * [[Image:L4D_WitchHunter.jpg]] || Witch Hunter || Kill a Witch without any Survivor taking damage from her. ||
 * [[Image:L4D_RedMist.jpg]] || Red Mist || Kill 1000 Infected with a mounted machine gun. ||
 * [[Image:L4D_Pyrotechnician.jpg]] || Pyrotechnician || Blow up 20 Infected in a single explosion. ||
 * [[Image:L4D_ZombieGenocidest.jpg]] || Zombie Genocidist || Kill 53,595 Infected. ||
 * [[Image:L4D_DeadGiveaway.jpg]] || Dead Giveaway || Heal a fellow Survivor when your health is below 10. ||
 * [[Image:L4D_StandTall.jpg]] || Stand Tall || Survive a campaign without being incapacitated. ||
 * [[Image:L4D_ZombicidalManiac.jpg]] || Zombicidal Maniac || Survive any campaign on Expert. ||
 * [[Image:L4D_WhatAreYouTryingToProve.jpg]] || What Are You Trying to Prove? || Survive all campaigns on Expert. ||
 * [[Image:L4D_NothingSpecial.jpg]] || Nothing Special || Survive a campaign with no Survivors taking damage from Special Infected. ||
 * [[Image:L4D_BurnTheWitch.jpg]] || Burn the Witch || Light a Witch with a molotov. ||
 * [[Image:L4D_ToweringInferno.jpg]] || Towering Inferno || Light a Tank with a molotov. ||
 * [[Image:L4D_SpinalTap.jpg]] || Spinal Tap || Kill an Infected with a single blow from behind. ||
 * [[Image:L4D_StomachUpset.jpg]] || Stomach Upset || All Survivors complete a campaign without being vomited on. ||
 * [[Image:L4D_BrainSalad.jpg]] || Brain Salad || Make 100 headshot kills. ||
 * [[Image:L4D_JumpShot.jpg]] || Jump Shot || Headshot a Hunter while he's leaping. ||
 * [[Image:L4D_MercyKiller.jpg]] || Mercy Killer || Survive the No Mercy campaign. ||
 * [[Image:L4D_Back2Help.jpg]] || Back 2 Help || Leave a safe room to save an incapped teammate and bring them back to safety. ||
 * [[Image:L4D_TollCollector.jpg]] || Toll Collector || Survive the Death Toll campaign. ||
 * [[Image:L4D_DeadBaron.jpg]] || Dead Baron || Survive the Dead Air campaign. ||
 * [[Image:L4D_GrimReaper.jpg]] || Grim Reaper || Survive the Blood Harvest campaign. ||
 * [[Image:L4D_GroundCover.jpg]] || Ground Cover || Save another Survivor from a Special Infected while on the ground. ||
 * [[Image:L4D_CleanKill.jpg]] || Clean Kill || Shove a Boomer and then kill him without him splashing on anyone. ||
 * [[Image:L4D_Outbreak.jpg]] || Outbreak || Catch a rare strain of infection, then pass it on to someone else. (PC Only) || N/A
 * }
 * [[Image:L4D_Pyrotechnician.jpg]] || Pyrotechnician || Blow up 20 Infected in a single explosion. ||
 * [[Image:L4D_ZombieGenocidest.jpg]] || Zombie Genocidist || Kill 53,595 Infected. ||
 * [[Image:L4D_DeadGiveaway.jpg]] || Dead Giveaway || Heal a fellow Survivor when your health is below 10. ||
 * [[Image:L4D_StandTall.jpg]] || Stand Tall || Survive a campaign without being incapacitated. ||
 * [[Image:L4D_ZombicidalManiac.jpg]] || Zombicidal Maniac || Survive any campaign on Expert. ||
 * [[Image:L4D_WhatAreYouTryingToProve.jpg]] || What Are You Trying to Prove? || Survive all campaigns on Expert. ||
 * [[Image:L4D_NothingSpecial.jpg]] || Nothing Special || Survive a campaign with no Survivors taking damage from Special Infected. ||
 * [[Image:L4D_BurnTheWitch.jpg]] || Burn the Witch || Light a Witch with a molotov. ||
 * [[Image:L4D_ToweringInferno.jpg]] || Towering Inferno || Light a Tank with a molotov. ||
 * [[Image:L4D_SpinalTap.jpg]] || Spinal Tap || Kill an Infected with a single blow from behind. ||
 * [[Image:L4D_StomachUpset.jpg]] || Stomach Upset || All Survivors complete a campaign without being vomited on. ||
 * [[Image:L4D_BrainSalad.jpg]] || Brain Salad || Make 100 headshot kills. ||
 * [[Image:L4D_JumpShot.jpg]] || Jump Shot || Headshot a Hunter while he's leaping. ||
 * [[Image:L4D_MercyKiller.jpg]] || Mercy Killer || Survive the No Mercy campaign. ||
 * [[Image:L4D_Back2Help.jpg]] || Back 2 Help || Leave a safe room to save an incapped teammate and bring them back to safety. ||
 * [[Image:L4D_TollCollector.jpg]] || Toll Collector || Survive the Death Toll campaign. ||
 * [[Image:L4D_DeadBaron.jpg]] || Dead Baron || Survive the Dead Air campaign. ||
 * [[Image:L4D_GrimReaper.jpg]] || Grim Reaper || Survive the Blood Harvest campaign. ||
 * [[Image:L4D_GroundCover.jpg]] || Ground Cover || Save another Survivor from a Special Infected while on the ground. ||
 * [[Image:L4D_CleanKill.jpg]] || Clean Kill || Shove a Boomer and then kill him without him splashing on anyone. ||
 * [[Image:L4D_Outbreak.jpg]] || Outbreak || Catch a rare strain of infection, then pass it on to someone else. (PC Only) || N/A
 * }
 * [[Image:L4D_BrainSalad.jpg]] || Brain Salad || Make 100 headshot kills. ||
 * [[Image:L4D_JumpShot.jpg]] || Jump Shot || Headshot a Hunter while he's leaping. ||
 * [[Image:L4D_MercyKiller.jpg]] || Mercy Killer || Survive the No Mercy campaign. ||
 * [[Image:L4D_Back2Help.jpg]] || Back 2 Help || Leave a safe room to save an incapped teammate and bring them back to safety. ||
 * [[Image:L4D_TollCollector.jpg]] || Toll Collector || Survive the Death Toll campaign. ||
 * [[Image:L4D_DeadBaron.jpg]] || Dead Baron || Survive the Dead Air campaign. ||
 * [[Image:L4D_GrimReaper.jpg]] || Grim Reaper || Survive the Blood Harvest campaign. ||
 * [[Image:L4D_GroundCover.jpg]] || Ground Cover || Save another Survivor from a Special Infected while on the ground. ||
 * [[Image:L4D_CleanKill.jpg]] || Clean Kill || Shove a Boomer and then kill him without him splashing on anyone. ||
 * [[Image:L4D_Outbreak.jpg]] || Outbreak || Catch a rare strain of infection, then pass it on to someone else. (PC Only) || N/A
 * }
 * [[Image:L4D_DeadBaron.jpg]] || Dead Baron || Survive the Dead Air campaign. ||
 * [[Image:L4D_GrimReaper.jpg]] || Grim Reaper || Survive the Blood Harvest campaign. ||
 * [[Image:L4D_GroundCover.jpg]] || Ground Cover || Save another Survivor from a Special Infected while on the ground. ||
 * [[Image:L4D_CleanKill.jpg]] || Clean Kill || Shove a Boomer and then kill him without him splashing on anyone. ||
 * [[Image:L4D_Outbreak.jpg]] || Outbreak || Catch a rare strain of infection, then pass it on to someone else. (PC Only) || N/A
 * }
 * [[Image:L4D_CleanKill.jpg]] || Clean Kill || Shove a Boomer and then kill him without him splashing on anyone. ||
 * [[Image:L4D_Outbreak.jpg]] || Outbreak || Catch a rare strain of infection, then pass it on to someone else. (PC Only) || N/A
 * }
 * }

Infected Achievements

 * [[Image:L4D_BigDrag.jpg]] || Big Drag || Drag a Survivor 100 feet with your tongue. ||
 * [[Image:L4D_ChainSmoker.jpg]] || Chain Smoker || Constrict two Survivors in one life as a Smoker. ||
 * [[Image:L4D_BarfBagged.jpg]] || Barf Bagged || Cover four Survivors with Boomer bile at once. ||
 * [[Image:L4D_DoubleJump.jpg]] || Double Jump || Pounce two different Survivors in one life as a Hunter. ||
 * [[Image:L4D_All4Dead.jpg]] || All 4 Dead || Kill all four Survivors in one life as a Tank. ||
 * [[Image:L4D_DeadWreckening.jpg]] || Dead Wreckening || Dole out 5000 total Survivor damage as a Special Infected. ||
 * [[Image:L4D_Lamb2Slaughter.jpg]] || Lamb 2 Slaughter || As an Infected, incap a Survivor who has entered and left a safe room. ||
 * }
 * [[Image:L4D_All4Dead.jpg]] || All 4 Dead || Kill all four Survivors in one life as a Tank. ||
 * [[Image:L4D_DeadWreckening.jpg]] || Dead Wreckening || Dole out 5000 total Survivor damage as a Special Infected. ||
 * [[Image:L4D_Lamb2Slaughter.jpg]] || Lamb 2 Slaughter || As an Infected, incap a Survivor who has entered and left a safe room. ||
 * }
 * [[Image:L4D_Lamb2Slaughter.jpg]] || Lamb 2 Slaughter || As an Infected, incap a Survivor who has entered and left a safe room. ||
 * }

Survival Achievements

 * [[Image:L4D_Last Stand.jpg]] || Last Stand || Complete one round of survival on The Last Stand. ||
 * [[Image:L4D_Bronze Mettle.jpg]] || Bronze Mettle || Earn a Bronze medal in Survival mode on any official level. ||
 * [[Image:L4D_Silver Bullets.jpg]] || Silver Bullets || Earn a Silver medal in Survival mode on any official level. ||
 * [[Image:L4D_Violence is Golden.jpg]] || Violence is Golden || Earn a Gold medal in Survival mode on any official level. ||
 * [[Image:L4D_Distinguished Survivor.jpg]] || Distinguished Survivor || Earn at least a Bronze medal on every official Survival level. ||
 * [[Image:L4D_Heroic Survivor.jpg]] || Heroic Survivor || Earn at least a Silver medal on every official Survival level. ||
 * [[Image:L4D_Legendary Survivor.jpg]] || Legendary Survivor || Earn a Gold medal on every official Survival level. ||
 * }
 * [[Image:L4D_Distinguished Survivor.jpg]] || Distinguished Survivor || Earn at least a Bronze medal on every official Survival level. ||
 * [[Image:L4D_Heroic Survivor.jpg]] || Heroic Survivor || Earn at least a Silver medal on every official Survival level. ||
 * [[Image:L4D_Legendary Survivor.jpg]] || Legendary Survivor || Earn a Gold medal on every official Survival level. ||
 * }
 * [[Image:L4D_Legendary Survivor.jpg]] || Legendary Survivor || Earn a Gold medal on every official Survival level. ||
 * }