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Completionist Completed all missions in Secret Armory

Vincible Killed Crawmerax the Invincible

Sneaky Little Buggers Killed each of the loot midgets

Learning the ropes Reach level 10.

Savior Save 5 people besieged by zombies.

Need a hand? Join another player's game.

Biology Lesson Kill a Bloater with the pump shotgun as Bill in No Return

This Make You All Nostalgic? Complete the Part I challenge track in No Return

Queen Firefly Kill 15 enemies with Marlene's assault rifle in one encounter in No Return
15/15

Roll Call Win a run with every character in No Return
10/10

Team Abby Complete all Abby faction challenge tracks
5/5

Modded Complete an encounter with each Mod in No Return
26/26

Good Riddance Beat all bosses
6/6

Team Ellie Complete all Ellie faction challenge tracks
5/5

Burglar Open the safe in Capture without killing any enemies in No Return

Got Your Back Win a round of Holdout without your ally falling below 70% health in No Return

Become The Hunter Kill 12 enemies in a Hunted encounter in No Return

Risk Taker Complete five gambits in one run of No Return
5/5

Mixed Bag Get kills with 5 different weapons in an Assault encounter in No Return
5/5

True Strength Get an S rank on an encounter

I Would Do It All Over Again Complete the story in chronological order

You Can't Stop This Complete the story with any Permadeath setting

Dig Two Graves Complete the story on Grounded.

Every Last One of Them Collect all trophies

So Great and Small Find the Engraved Ring

Relic of the Sages Find the Strange Artifact

Put My Name Up Earn the high score in the archery game

Sharpshooter Win the marksmanship competition

Looks Good On You Put a hat on your companion

Tinkerer Upgrade a weapon

Tools of the Trade Craft every item
13/13

High Caliber Find all weapons

Journeyman Find all training manuals
8/8

Sightseer Visit every location in downtown Seattle
10/10

Safecracker Unlock every safe

Specialist Learn all player upgrades in one branch

Mechanist Fully upgrade a weapon

Prepared For the Worst Find all workbenches
25/25

In the Field Find 12 workbenches
12/12

Numismatist Find all coins
32/32

Mint Condition Find 5 coins
5/5

Master Set Find all trading cards
48/48

Starter Set Find 5 trading cards
5/5

Archivist Find all artifacts and journal entries
148/148

Arms Master Fully upgrade all weapons

Survival Expert Learn all player upgrades
50/50

Survival Training Learn 25 player upgrades
25/25

Apprentice Learn a player upgrade

What I Had to Do Complete the story

It Can't Be For Nothing Collect all trophies