As a Special Infected, incap someone who is trying to sacrifice themselves.
Have all 3 generators running at once in "The Sacrifice" finale.
Kill a Special Infected with an exploding barrel.
Complete "The Sacrifice".
Have Bill sacrifice himself for the team.
Play 6 Mutations.
Open 5 foot lockers.
Using the M60, kill 25 infected without letting go of the trigger.
Collect 10 items dropped by a Fallen Survivor.
As the Charger, grab a Survivor and crash them through 8 chairs at the wedding.
Survive The Passing Campaign.
Kill a Tank only with damage from the original Survivors.
Knock off the heads of 18 infected with the golf club.
Play 5 full games of Scavenge on The Port.
Play the new Midnight Riders song on a jukebox.
Survive all campaigns on Expert.
Form a team and beat an enemy team in 4v4 Versus or Scavenge.
Revive 10 dead Survivors with the defibrillator.
Revive 10 incapacitated Survivors while under the speed-boosting effects of adrenaline.
Navigate the sugar mill and reach the safe room without killing any Witches.
Survive a campaign on Expert skill with Realism mode enabled.
Collect 10 vials of Boomer vomit from infected CEDA agents you have killed.
Cause 25 gas can drops as a Special Infected.
Collect 100 gas cans in Scavenge.
Using a Molotov, burn a Clown leading at least 10 Common Infected.
Navigate the impound lot and reach the cemetery safe room without tripping any alarms.
Kill a Tank with melee weapons.
Cross the bridge finale in less than three minutes.
Kill 10 swampy Mudmen while they are in the water.
Ignite 50 Common Infected with incendiary ammo.
Defend yourself at the crashed airliner without taking damage.
Collect 15 gas cans in a single Scavenge round.
Make a Survivor drop a gas can during overtime.
In a Survival round, get a medal only using melee weapons.
In a Versus round, leave the saferoom to defibrillate a dead teammate.
As the Jockey, ride a Survivor and steer them into a Spitter's acid patch.
As the Spitter, spit on a Survivor being choked by a Smoker.
Win a game of Scavenge.
Stop the enemy team from collecting any gas cans during a Scavenge round.
Kill a Charger with a melee weapon while they are charging.
As the Charger, grab a Survivor and carry them over 80 feet.
As the Charger, grab a Survivor and smash them into the ground for a solid 15 seconds.
As the Charger, bowl through the entire enemy team in a single charge.
Kill 100 Common Infected with the chainsaw.
As the Jockey, ride a Survivor for more than 12 seconds.
As the Jockey, ride the Survivors twice in a single life.
As the Spitter, hit every Survivor with a single acid patch.
Honk the noses of 10 Clowns.
Kill one of each Uncommon Infected.
Survive the Parish campaign.
Decapitate 200 Infected with a melee weapon.
Use every melee weapon to kill Common Infected.
Survive the Hard Rain campaign.
Survive the Swamp Fever campaign.
Kill a Spitter before she is able to spit.
Deploy an ammo upgrade and have your team use it.
Kill a Jockey within 2 seconds of it jumping on a Survivor.
Survive the Dark Carnival campaign.
Finish a campaign using only melee weapons.
Rescue Gnome Chompski from the Carnival.
Prove you are faster than Moustachio.
Prove you are stronger than Moustachio.
Survive the Dead Center campaign.
Use a bile bomb on a Tank.
Kill 15 Infected with a single grenade launcher blast.
