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