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All Employees Must Wash Hands... In a single game, complete every Autopsy.

The Rose's Memory [The Rose's Memory] Reach the ending.

The Blood Artist Kill the Blood Artist.

Don't Let It Mellow Destroy all Hammer Crates on the Factory Floor

Prodigal Murderer Defeat Mistral without taking any damage on Hard difficulty or above.

Warlord Achieve Rank 30 (Ranked Match)

Blown Away In Gorod Krovi, kill 10 zombies at once with the Guard of Fafnir.

Firepower Kill 250 enemies using Exotic weapons.

Barrage Complete "Barrage" challenge

My Brother’s Keeper In Der Eisendrache, the one must be erased.

Back in the Field Eliminate Übercommander Hans

Paint the Town Red Find all Activist tags in Cold, Cold Heart

Enduring Resolve Listen to the Legend's last recording.

Fire Mission In Gorod Krovi, kill 8 zombies with a single Dragon Strike.

Endless Ten Throw away your fears and focus on the fight! Win 10 fights in a row in Endless Battle!

Armed to the Teeth Purchase all weapons and upgrades

Empire of Thorns Return to Tarya Gratar and face the first Arbiter.

Cut! Cut! Cut! Cancel Chuck Lorentz

Tracker of Dark Secrets Decrypt all clues hidden inside the cipher machines and claim the rewards.

See Salt Visit every major Peroxian landmark (and report back to the tour guide!)

I Believe I Can Fly Rack up a total of 60 minutes in the air by jumping or other means
100/3600

Iron Lung In Zetsubou No Shima, stay underwater for one minute.

Medallist Obtain any medal in 10 different challenges

I need your Headband, Sunglasses and Minigun Get Headband, Sunglasses and Minigun in one run in Commando mode

Go for the Gold Complete "Buried Treasure"

On the Shoulders of Giants Build the Gollop Chamber.

The Curtain Falls Flawless FreeFlow in every round of the Monarch Theatre as Batman, Robin, Nightwing and Catwoman.

Requiem for a Killer Defeat an old adversary in the Iceberg Lounge AR Challenge, playing as Batman.

Bonus Onus Unlock all bonus levels (25)

Quick Pick Solve any Security Lock System in less than 7 seconds

Chapter and Verse Set a time in every challenge in a single Joyride Chapter

Mercenary Reach Rank 20 (Ranked Match)

Dunked Kill General Dunkel

Ralan's Mission Complete all bonus levels

Murderous Mascot Mayhem Win a Vaultlanders battle using the Claptrap figure.

Timing is Everything Kill the final 3 Ancestors within 10 seconds of killing the first Ancestor in Regular or Hardcore difficulty.

Enthralling Earned maximum approval from all thrall types. ("Darkspawn Chronicles" downloadable content)

Soldier of Misfortune Unlock field manuals for all weapons (Ranked match)

Popcorn Cook 50 zombies with the Magnetron in Infection.

None Left Standing In Der Eisendrache, kill every type of zombie using a minigun.

Crop Duster In Zetsubou No Shima, kill 10 zombies with a single shot of the KT-4.

Long Way Down You performed a drop assassination of at least 150 meters in the Kill Cascade challenge

Down To Earth Complete "Down To Earth" challenge

Feel the Burn! Perform every Meter Burn special move of every character

Endurance Series Complete Complete the Endurance series of Race Events.

Information Overload Find all 8 Protocol Data Drives

Wardrobe Change In Revelations, wear three different hats.

Always Hard Kill the final Ancestor with a relic active in Hardcore difficulty.

Snake Bite Shut down the Hennessey Venom GT Spyder (Single Player)

One Gun at a Time Staff the Engineering Department with 80 engineers.