Left 4 Dead 2

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Achievements

API name	Display name and description	Icons
ACH_HONK_A_CLOWNS_NOSE	CL0WND Honk the noses of 10 Clowns.
ACH_INCENDIARY_CLOWN_POSSE	FRIED PIPER Using a Molotov, burn a Clown leading at least 10 Common Infected.
ACH_MELEE_A_CHARGER	LEVEL A CHARGE Kill a Charger with a melee weapon while they are charging.
ACH_KILL_SPITTER_FAST	ACID REFLEX Kill a Spitter before she is able to spit.
ACH_FINISH_CAMPAIGN_MELEE_ONLY	CONFEDERACY OF CRUNCHES Finish a campaign using only melee weapons.
ACH_KILL_EVERY_UNCOMMON_INFECTED	CRASS MENAGERIE Kill one of each Uncommon Infected.
ACH_SAVE_PLAYER_FROM_JOCKEY_FAST	A RIDE DENIED Kill a Jockey within 2 seconds of it jumping on a Survivor.
ACH_CUT_OFF_HEADS_MELEE	HEAD HONCHO Decapitate 200 Infected with a melee weapon.
ACH_VS_LEAVE_SAFE_ROOM_DEFIB_TEAMMATE	HEARTWARMER In a Versus round, leave the saferoom to defibrillate a dead teammate.
ACH_BEAT_CAMPAIGNS_EXPERT_MODE	STILL SOMETHING TO PROVE Survive all campaigns on Expert.
ACH_SURVIVE_EXPERT_REALISM	THE REAL DEAL Survive a campaign on Expert skill with Realism mode enabled.
ACH_VS_FORM_PARTY_AND_WIN_4V4	STRENGTH IN NUMBERS Form a team and beat an enemy team in 4v4 Versus or Scavenge.
ACH_KILL_SUBMERGED_MUDMEN	DEAD IN THE WATER Kill 10 swampy Mudmen while they are in the water.
ACH_COLLECT_CEDA_VIALS	ROBBED ZOMBIE Collect 10 vials of Boomer vomit from infected CEDA agents you have killed.
ACH_KILL_ZOMBIES_GRENADE_BLAST	DISMEMBERMENT PLAN Kill 15 Infected with a single grenade launcher blast.
ACH_IGNITE_INFECTED_FIRE_AMMO	BURNING SENSATION Ignite 50 Common Infected with incendiary ammo.
ACH_DEPLOY_AMMO_UPGRADE	ARMORY OF ONE Deploy an ammo upgrade and have your team use it.
ACH_RES_SURVIVORS_WITH_DEFIB	SHOCK JOCK Revive 10 dead Survivors with the defibrillator.
ACH_SPEED_REVIVE_WITH_ADRENALINE	THE QUICK AND THE DEAD Revive 10 incapacitated Survivors while under the speed-boosting effects of adrenaline.
ACH_KILL_INFECTED_WITH_CHAINSAW	CHAIN OF COMMAND Kill 100 Common Infected with the chainsaw.
ACH_BILE_A_TANK	SEPTIC TANK Use a bile bomb on a Tank.
ACH_KILL_WITH_EVERY_MELEE	CLUB DEAD Use every melee weapon to kill Common Infected.
ACH_KILL_TANK_MELEE_ONLY	TANK BURGER Kill a Tank with melee weapons.
ACH_BRIDGE_TIMED_RUN	BRIDGE OVER TREBLED SLAUGHTER Cross the bridge finale in less than three minutes.
ACH_SURVIVE_MALL	PRICE CHOPPER Survive the Dead Center campaign.
ACH_SURVIVE_ROAD	MIDNIGHT RIDER Survive the Dark Carnival campaign.
ACH_SURVIVE_SWAMP	RAGIN' CAJUN Survive the Swamp Fever campaign.
ACH_SURVIVE_TOWN	WEATHERMAN Survive the Hard Rain campaign.
ACH_SURVIVE_BRIDGE	BRIDGE BURNER Survive the Parish campaign.
ACH_IMPOUND_LOT_NO_ALARMS	VIOLENCE IN SILENCE Navigate the impound lot and reach the cemetery safe room without tripping any alarms.
ACH_GNOME_RESCUE	GUARDIN' GNOME Rescue Gnome Chompski from the Carnival.
ACH_WITCH_TOWN_NO_WITCH_KILLS	SOB STORY Navigate the sugar mill and reach the safe room without killing any Witches.
ACH_AIRLINE_FINALE_NO_DAMAGE	WING AND A PRAYER Defend yourself at the crashed airliner without taking damage.
ACH_VS_JOCKEY_LONG_RIDE	QUALIFIED RIDE As the Jockey, ride a Survivor for more than 12 seconds.
ACH_VS_JOCKEY_TWO_PLAYERS	BACK IN THE SADDLE As the Jockey, ride the Survivors twice in a single life.
ACH_VS_JOCKEY_INTO_ACID	RODE HARD, PUT AWAY WET As the Jockey, ride a Survivor and steer them into a Spitter's acid patch.
ACH_VS_SPIT_ON_ENEMY_TEAM	GREAT EXPECTORATIONS As the Spitter, hit every Survivor with a single acid patch.
ACH_VS_SPIT_ON_SMOKERED_PLAYER	A SPITTLE HELP FROM MY FRIENDS As the Spitter, spit on a Survivor being choked by a Smoker.
ACH_VS_BOWL_ENEMY_TEAM	SCATTERING RAM As the Charger, bowl through the entire enemy team in a single charge.
ACH_VS_CHARGER_GROUND_SMASH	MEAT TENDERIZER As the Charger, grab a Survivor and smash them into the ground for a solid 15 seconds.
ACH_VS_CHARGER_LONG_CARRY	LONG DISTANCE CARRIER As the Charger, grab a Survivor and carry them over 80 feet.
ACH_SURVIVAL_GET_MEDAL_MELEE_ONLY	BEAT THE RUSH In a Survival round, get a medal only using melee weapons.
ACH_SCAVENGE_WIN_A_GAME	HUNTING PARTY Win a game of Scavenge.
ACH_SCAVENGE_COLLECT_CAN_GRIND	GAS GUZZLER Collect 100 gas cans in Scavenge.
ACH_SCAVENGE_COLLECT_ALL_CANS	CACHE AND CARRY Collect 15 gas cans in a single Scavenge round.
ACH_SCAVENGE_SHUT_OUT	SCAVENGE HUNT Stop the enemy team from collecting any gas cans during a Scavenge round.
ACH_STRONGMAN_GAME	GONG SHOW Prove you are stronger than Moustachio.
ACH_SCAVENGE_MAKE_SURVIVOR_DROP_CAN	FUEL CRISIS Make a Survivor drop a gas can during overtime.
ACH_SCAVENGE_CAN_DROP_GRIND	GAS SHORTAGE Cause 25 gas can drops as a Special Infected.
ACH_STASH_WHACKER	STACHE WHACKER Prove you are faster than Moustachio.
ACH_SURVIVE_THE_PASSING	TORCH BEARER Survive The Passing Campaign.
ACH_VS_CHARGE_THROUGH_CHAIRS	WEDDING CRASHER As the Charger, grab a Survivor and crash them through 8 chairs at the wedding.
ACH_KILLS_WITH_M60	TIL IT GOES CLICK Using the M60, kill 25 infected without letting go of the trigger.
ACH_SCAVENGE_FALLEN_SURVIVOR	GRAVE ROBBER Collect 10 items dropped by a Fallen Survivor.
ACH_COMPLETE_CHALLENGE_MODES	MUTANT OVERLORD Play 6 Mutations.
ACH_HEADS_WITH_GOLF_CLUB	FORE! Knock off the heads of 18 infected with the golf club.
ACH_HEAR_BALLAD	KILLING THEM SWIFTLY TO THIS SONG Play the new Midnight Riders song on a jukebox.
ACH_KILL_TANK_L4D1_ONLY	KITE LIKE A MAN Kill a Tank only with damage from the original Survivors.
ACH_OPEN_FOOT_LOCKERS	CACHE GRAB Open 5 foot lockers.
ACH_SCAVENGE_PLAY_C6_FINALE	PORT OF SCAVENGE Play 5 full games of Scavenge on The Port.
ACH_COMPLETE_THE_SACRIFICE	SUPREME SACRIFICE Complete "The Sacrifice".
ACH_SACRIFICE_BILL	KILL BILL Have Bill sacrifice himself for the team.
ACH_KILL_SPECIAL_WITH_BARREL	BARREL ROLLED Kill a Special Infected with an exploding barrel.
ACH_RUN_ALL_GENERATORS	CHAOS GENERATOR Have all 3 generators running at once in "The Sacrifice" finale.
ACH_VS_PREVENT_SACRIFICE	SACRIFIZZLE As a Special Infected, incap someone who is trying to sacrifice themselves.
ACH_SURVIVE_COLD_STREAM	STREAM CROSSER Survive the Cold Stream campaign on any difficulty.
ACH_VS_COMPLETE_DEAD_AIR	CONNECTING FIGHTS Play a Versus game on Dead Air from start to finish.
ACH_COLLECT_HOLIDAY_GIFTS	Valve Gift Grab 2011 – L4D2 Collect three gifts dropped by Special Infected in Versus Mode.
ACH_HELP_FREE_PLAYER_SURVIVE	GOOD GUY NICK Plays games with free weekend players and helps them survive a campaign.
ACH_HELP_FREE_CHRISTMAS_PLAYER_SURVIVE	GHOST OF CHRISTMAS PRESENT Spread cheer by helping a free holiday player survive a campaign.

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