Complete Act 4 on Recruit difficulty or higher.
Bring 11 Duffel Bags to Saferooms.
Have at least five different Food Buffs active at one time.
Find the secret in "Dr. Rogers' Neighborhood".
Kill an Ogre with the Howitzer.
Make a Breaker hurt itself.
Complete Remnants.
Complete all Act 3 maps on Recruit difficulty or higher.
Complete Dr. Rogers' Neighborhood.
Kill all variants of the Sentinel.
Complete a map without any players on the team killing a single Ridden.
Complete a mission with each of the original Cleaners.
Complete Job 10:22.
Complete all Act 2 maps on Recruit difficulty or higher.
Complete Plan B.
Play 25 cards in a single match.
Kill each of the Warped Ridden.
Kill a Snitch without it alerting the horde.
Complete The Armory.
Kill 10 Ridden with Bob's Arm.
Complete all Act 1 maps on Recruit difficulty or higher.
Complete Blue Dog Hollow.
Complete Search & Rescue.
Complete The Dark Before The Dawn.
Complete a level while getting at least 50 kills with melee weapons.
Rescue a teammate from a cocoon.
Heal a teammate.
Kill at least one of each non-boss Mutation.
Drop some ammo for a teammate.
Spend your first Supply Point.
Complete The Devil's Return.
Kill 15 enemies while downed.
Complete a mission without any players being incapacitated or killed.
Complete a map without ever triggering a horde from Reekers, Birds, Snitches, or alarms.
Revive a fallen teammate.
Safely descend the ladder in the construction zone in Resurgence.
Good luck out there, you're gunna need it.
Form a party in Fort Hope.
Complete all Act 2 maps on Veteran difficulty or higher.
Complete all Act 2 maps on Nightmare difficulty.
Complete all Act 3 maps on Veteran difficulty or higher.
Complete all Act 3 maps on Nightmare difficulty.
Complete Act 4 on Veteran difficulty or higher.
Complete Act 4 on Nightmare difficulty.
Kill 53,600 Ridden over your career.
Kill a Monstrous Breaker after removing all of its armor.
Defend the jukebox in Bar Room Blitz without it breaking.
Win a game in Swarm Mode.
Find the secret in "The Devil's Return".
Find the secret in "Search & Rescue".
Find the secret in "The Dark Before the Dawn".
Find the secret in "Blue Dog Hollow".
Find the secret in "The Armory".
Find the secret in "Plan B".
Find the secret in "Job 10:22".
Find the secret in "Remnants".
Find the secret in "The Abomination".
Complete All Ridden Hives.
Get a kill with a Legendary Weapon.
Earn some Skull Totems.
Kill 10 Ridden with a Skull Totem.
Find the Secret in The Nursery.
Find the Secret in Sunken Passages.
Find the Secret in The Cut.
Find the Secret in Brood Lair.
Find the Secret in 300 Below.
Find the Secret in Blood Stream.
Find the Secret in Caustic Cesspool.
Complete all Act 5 maps on Recruit difficulty or higher.
Complete all Act 5 maps on Veteran difficulty or higher.
Complete all Act 1 maps on Veteran difficulty or higher.
Complete all Act 5 maps on Nightmare difficulty or higher.
Complete all Act 5 maps on No Hope difficulty.
Find the Secret in Act 5.
Hit a Pusflinger with a Bait Jar.
Kill a Slasher with Iron Claws.
Kill a Sniper with a Sniper Rifle.
Kill a Crone with the Bow.
Use a Smoke Grenade to become hidden while at Critical Health.
Jump over a Cultist Bear Trap without triggering it.
Complete all Act 1 maps on Nightmare difficulty.
Complete all Act 6 maps on Recruit difficulty or higher.
Complete all Act 6 maps on Veteran difficulty or higher.
Complete all Act 6 maps on Nightmare difficulty or higher.
Complete all Act 6 maps on No Hope difficulty.
Find the Secret in Act 6.
Land a final blow on a Boss Mutation with the LAW.
Set an enemy on fire with the Flame Thrower, while also being on fire.
Play Trial of the Worm for the first time.
Earn a score of at least 100,000 in Trial of the Worm.
Complete a map in Trial of the Worm with a total modifier of at least x20.
Defeat The Harbinger without using the LAW.
Blow up a Food Item with the LAW.