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