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Ugly Fellow Used the mask of an ugly fellow to defeat an enemy.

Cuckoo for Incarceration Rescue your friend.

Way of the Warrior Defeat 150 enemies singlehandedly in one playthrough of "Desperate Escape."

Artificial Intelligence Discover the fate of Marko Dragic.

Into the Abyss Complete Hypocenter on Hardened, Veteran, or Realistic.

The Great Escape Complete "Desperate Escape" with an S rank.

Merchant of Disorder You acquired 15 equipment upgrades

One of the few Obtain Istarelle

Methodical search Find 15 collectibles in the Campaign

Let's Get This Party Started! Unlock all selectable characters in Versus.

Western Stranger Complete 10 Stranger mission strands.

The War to End All Wars Complete the campaign on Hard difficulty

Heavy-Handed Go through 20 gun drops in one-armed combat in "Captured."

How do I stop this thing?! Kill 50 enemies with one boost

A True Samurai Completed "The Samurai from Sawayama."

Killing Spree - Kill 5 Helghast in 15 seconds Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health

Krimson PD Fury Kill 200 enemies.

Instrument of Change Witnessed the dawn of a new crystal legend.

Cruiser Ribbon Complete The Cruiser on any difficulty level

Psycho-Master Exploder Demolish 3 opposing bots in Wasteland

Alchemist Special Defeat the Alchemist without using the acrobatic attack.

Déjà Vu Rang the bell in the Institute upon your return.

For tombstone Let the Valkyrie be destroyed in the Campaign

Manipulator You made others kill 5 of their own allies

Safety First - Shoot off 100 helmets Shoot off 100 Helghast helmets during battle

All's Fare in Love and War Purchase Downtown Cab Co. and complete a private fare.

Divine Obtainer Obtained first divine item.

Errand Boy Deliver 5 camp companion item requests.

Winning is Winning Win a Season Championship using Dominus in every game

Freedom Restored Completed "The Demon King Revealed."

Speechless Make Quiet available for deployment.

Blood wake Get 30 headshots in the South China Sea mission in the Campaign

Knight's Honor Acquire all rare weapons.

Unseen Predator Remain in Zer0's Decepti0n mode for 10 seconds straight.

O to the D Kill 100 enemies during Overdrive

Ressurector of the Hiragumo Collected all fragments of the Hiragumo teakettle from Shigisan.

School of hard knocks Reach level 50.

Maelstra Ribbon Complete Maelstra Barrens on any difficulty level

Prayer of a Maiden Acquire all miracles.

True Understanding Complete all Legends Mode stories on a single difficulty.

Pulsian Pioneer Took over 10,000 steps on the lowerworld surface.

This Is My Boomstick Kill 30 enemies with the XM25 in "Black Tuesday."

Conquering the mountains Unlock all Codex Entries in Avanti Savoia!

Wish Upon a Star Destroy all 18 of the Score stars found throughout "Lost in Nightmares."

To The Heroes Among Us Unlocked when the player finds the hidden Extra Life 2012 Logo.

Eye for an eye Punch ASOBI and let him hit you back.

Taste of your own Medicine TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface

Under Covered Skies Complete the mission "Under Covered Skies".

Freeflow Silver Achieve 16 medals on combat challenges

So Much Blood! Gunzerk continuously for 90 seconds.