Price Chopper: Survive Dead Center (20)

Notes: Automatically Earned by Campaign Playthrough

Midnight Rider: Survive Dark Carnival (20)

Notes: Automatically Earned by Campaign Playthrough

Ragin' Cajun: Survive Swamp Fever (20)

Notes: Automatically Earned by Campaign Playthrough

Weatherman: Survive Hard Rain (20)

Notes: Automatically Earned by Campaign Playthrough

Bridge Burner: Survive Parish (20)

Notes: Automatically Earned by Campaign Playthrough

Still Something to Prove: Survive all campaigns on Expert (35)

Notes: Automatically Earned by Campaign Playthrough on Expert

The Real Deal: Survive a campaign on Expert skill with Realism mode Enabled (35)

Notes: Automatically Earned by Campaign Playthrough on Expert w/Realism Enabled

Confederacy of Crunches: Finish campaign using only melee weapons (30)

Notes: Find a katana or a bladed melee weapon

Head Honcho: Decapitate 200 Infected with a melee weapon (15)

Notes: Aim for the head, chop the thing off!

Club Dead: Use every melee weapon to kill Common Infected (15)

Notes: Self-explanatory. Use axes, bats, chainsaws, etc.

Chain of Command: Kill 100 Common Infected with the chainsaw (15)

Notes: Fill it up with gas, and start chopping zombies

Tank Burger: Kill a Tank with melee weapons (30)

Notes: Teamwork in coop needed, just hit the tank from behind

Shock Jock: Revive 10 dead Survivors with the defibrillator (30)

Notes: Dont kill your own teammates, help them

The Quick and the Dead: Revive 10 incapacitated Survivors while under the speed-boosting effects of adrenaline (30)

Notes: Take the adrenaline shot before reviving or in a time crunch

Armory of One: Deploy an ammo upgrade and have your team use it (15)

Notes: Can be achieved during playthough as long as everyone takes some

Burning Sensation: Ignite 50 Common Infected with incendiary ammo (15)

Notes: Can be achieved during playthough, just get incendiary ammo

Dismemberment Plan: Kill 15 Infected with a single grenade launcher blast (20)

Notes: Throw a pipe-bomb or bile and shoot into the crowd

Septic Tank: Use a bile bomb on a Tank (15)

Notes: If you need a note on this one, just quit playing video games entirely

Crass Menagerie: Kill one of each Uncommon Infected (20)

Notes: Can be achieved during playthough just go through each level

Dead in the Water: Kill 10 swampy Mudmen while they are in the water (20)

Notes: Can be achieved during playthough and found in Swamp Fever

Robbed Zombie: Collect 10 vials of Boomer vomit from infected CEDA agents you have killed (15)

Notes: Can be achieved during playthough and found in Dead Center

Clowned: Honk the noses of 10 Clowns (15)

Notes: Can be achieved during playthough and is found in Dark Carnival

Fried Piper: Using a Molotov, burn a Clown leading at least 10 Common Infected (15)

Notes: Can be achieved during playthough just throw it in front of the clown when a large group is following

Level a Charge: Kill a Charger with a melee weapon while they are charging (15)

Notes: Weaken him before you hit and try to hit him from the side

Acid Reflex: Kill a Spitter before she is able to spit (15)

Notes: Can be achieved during playthough

A Ride Denied: Kill a Jockey within 2 seconds of it jumping on a Survivor (15)

Notes: Can be achieved during playthough, just watch your friends when you hear him

Stache Whacker: Prove you are faster than Moustachio (15)

Notes: Can be achieved during playthough and is the 4th level of Dark Carnival and its a whack a mole style game. Use the action key and hit with a katana for faster results until you get to 46 and the machine malfunctions and you get the achievement.

Gong Show: Prove you are stronger than Moustachio (15)

Notes: Can be achieved during playthough and is in the 4th level of Dark Carnival. Use a melee weapon and adrenaline . Use it and hit the bell to unlock the achievement you will find it near the front.

Guardin' Gnome: Rescue Gnome Chompski from the Carnival (30)

Notes: In the 2nd level of Dark Carnival and you must go to the shooting gallery. Once you pick him up he must be carried all the way to the evac copter. Any difficulty works.

Wing and a Prayer: Defend yourself at the crashed airliner without taking damage (30)

Note: Hide behind the chair and have your teammates each cover an entrance.

Sob Story: Navigate the sugar mill and reach the safe room without killing any Witches (30)

Notes: Take the long way around them

Violence in Silence: Navigate the impound lot and reach the cemetery safe room without tripping any alarms (30)

Notes: Use your melee weapons to ensure no accidental shootings

Bridge Over Trebled Slaughter: Cross the bridge finale in less than three minutes (30)

Notes: Use easy difficulty and rush the bridge with shotguns

Heartwarmer: In a Versus round, leave the saferoom to defibrillate a dead teammate (20)

Notes: Yep... Exactly.

Strength in Numbers: Form a team and beat an enemy team in 4v4 Versus or Scavenge (15)

Notes: None needed...

Qualified Ride: As the Jockey, ride a Survivor for more than 12 seconds 15g

Notes: Once your riding the player, navigate away from the group and hide behind something. Do this when there is a swarm attacking the others.

Back in the Saddle: As the Jockey, ride the Survivors twice in a single life (15)

Notes: Once you ride 1 survivor stay alive and jump another, easy enough

Rode Hard, Put Away Wet: As the Jockey, ride a Survivor and steer them into a Spitter's acid patch (20)

Notes: Walk him into the spitter or have the spitter spit on the floor you are at

Great Expectorations: As the Spitter, hit every Survivor with a single acid patch (15)

Notes: When they all are in a corner after getting boomed or in the elevator at Dead Center

A Spittle Help From My Friends: As the Spitter, spit on a Survivor being choked by a Smoker (15)

Notes: Stay by your Smoker buddy

Scattering Ram: As the Charger, bowl through the entire enemy team in a single charge (20)

Notes: Long narrow pathway like the one before the gunstore at Dead Center

Meat Tenderizer: As the Charger, grab a Survivor and smash them into the ground for a solid 15 seconds (20)

Notes: This ones hard. Best to do it when there are dead Survivors. Hit one and have a jockey ride the other

Long Distance Carrier: As the Charger, grab a Survivor and carry them over 80 feet (15)

Notes: Go to Dead Centers first level and charge them off the building

Beat the Rush: In a Survival round, get a medal only using melee weapons (15)

Notes: Stay in a corner so they cant surround and don't use your guns

Hunting Party: Win a game of Scavenge (15)

Notes: Win

Gas Guzzler: Collect 100 gas cans in Scavenge (20)

Notes: Play a bunch of Scavenge matches

Cache and Carry: Collect 15 gas cans in a single Scavenge round (20)

Notes: Make sure you're doing all the work while your teammates cover you

Scavenge Hunt: Stop the enemy team from collecting any gas cans during a Scavenge round (15)

Notes: Just attack the one holding the can and when its dropped, spit on it to set it on fire

Fuel Crisis: Make a Survivor drop a gas can during overtime (15)

Notes: Be the one to do it

Gas Shortage: Cause 25 gas can drops as a Special Infected (20)

Notes: Just play Survivor a bunch of times.... it'll happen, we promise.