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Storyteller Have 12 murderous dates with Calendar Man

Conversion Tower Successfully complete level 6

G-man Kill Gorrell

Inhuman Kill the Leviathan

King of QUB3D You beat the high score in QUB3D.

Hans Off the Merchandise Collect all the items on The Descent

Customize Upgrade all weapons in the Single Player Campaign

Shock therapy Kill 20 zombies with Electric Punch Special Attack.

Trouble on the Homefront Completed "Trouble on the Homefront"

Buzzer Beater With 30 seconds left, win a game of Hoops in which you were tied or trailing

Vincible Killed Crawmerax the Invincible

The Bigger They Are Defeat the Leviathan in the single player Campaign.

Overheat Kill 50 Chimera by detonating their heatstacks in the Single Player Campaign

Oasis Completed "Oasis"

Every bullet counts Get 3 headshots with one bullet.

Come and get it! It's a running buffet! Kill 20+ enemies with 1 explosive.

In the dark dark woods... Complete Rotten Coast on any difficulty.

Serving Science Finish quests for Dr. Kessler

Head of State Completed "Head of State"

Reilly's Rangers Completed "Reilly's Rangers"

Reaver Reached Level 8 with Bad Karma

Wave and Smile Play any Arena in co-op.

One Man Army You survived a 6 star wanted level for a full 5 minutes.

Last, Best Hope of Humanity Reached Level 20 with Good Karma

You've got red on you Perform 50 Takedowns in total.

Wendell's Story DLC Vietnam: Complete the game (Host only).

Trade Secret Trade In five items of the same quality to receive an item of the next-highest quality

Giant Kill any combination of 18 Impalers or Executioners

The Collector Find 50% of collectibles

Doesn't Play Well with Others Killed 300 people

Night Terrors Complete "Lost in Nightmares" on Professional.

Agatha's Song Completed "Agatha's Song"

One-Man Scouting Party Discovered 100 locations

Unbalanced Purchase all Player Upgrades

Mercenary Reached Level 8 with Neutral Karma

All of this has happened before… Complete Molten Nightmare on any difficulty.

You Gotta Shoot 'Em in the Head Completed "You Gotta Shoot 'Em in the Head"

Talk To The Hand Use the Auger force barrier to stop 150 incoming enemy shots in the single player Campaign.

Sharpshooter Get 30 headshots while scoped in with the Fareye or Marksman in the single player Campaign.

I See You Kill 50 enemies through solid matter with the Auger in the single player Campaign.

Incite Complete one round of multiplayer

Strictly Business Completed "Strictly Business"

Jetboat Kill 100 monsters using the boat's speed boost

Big Game Hunter Defeat a Marauder in the single player Campaign.

All roads lead to Rome Complete All Roads Lead To Hell! on any difficulty.

You're all going to die down here Complete Hell Base! on any difficulty.

Harbinger of War Reached Level 14 with Bad Karma

Sneaky Little Buggers Killed each of the loot midgets

Out of honey? Chew bees! Survive 5 waves using only your fists and legs.

Zombie killin' machine Kill 5000 enemies of any kind.