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Picker-Upper Picked up all items.

Lost Love Complete 'A Thousand Cuts' on any difficulty.

Obstacle Building Complete all test chambers in the Excursion Funnels co-op course

Smash TV Break 11 test chamber monitors

Clear Headed Hey! Got time to kill? Try to clear Arcade Mode on Medium or higher! That's all you gotta do!

Another Path Defeated Ardyn in Chapter 3, Verse 2.

Double Cross Complete 'The Deal' on any difficulty.

Slow Train To Hell Complete 'Out of Shanghai' on any difficulty.

Bring It Down Complete 'Air Strike' on any difficulty.

Balancing Barrels Move 10 meters or more while carrying 2 or more stacked barrels.

Kill Or Be Killed Complete 'Resurrection' on any difficulty.

Swift Retaliation Took down 10 enemies with counterstrikes.

You Saved Science Complete all test chambers in all courses of co-op

No Pain, No Gain Scored 500,000 or more points in Score Attack.

An Emperor Deposed Defeated the kaiser behemoth.

Everybody Dies Defeat 100 player-controlled agents and 100 player-controlled creatures.

The Power Within Awakened to the True Power of Kings.

Dog Days Complete Story Mode on any difficulty level.

Civilian Casualties Defeat the BSAA 100 times.

Narwhal Watching Encountered Bismarck.

The Dragoonslayer Completed Aranea's intensive training.

Empty Gesture Drop your co-op partner in goo while they are gesturing by removing the bridge under them

Oh! My Car! Hee hee, destruction is so much fun! Score 80,000 points or more in the Car Crusher bonus stage!

Transcendence Defeated Cor.

First Timer I'll never forget my first time for Ryu's sake! Win one Ranked Match! Gotta aim for the top!

Four Ring Circus Enter 4 different portals without touching the ground in co-op

Keep on Truckin' If you want to focus on nothing but the fight, entering an Endless Battle is for you!

Asking for Trouble Taunt GLaDOS in front of a camera in each of the five co-op courses

Altissian Ambassador Collected all documents.

Speed Daemon Posted excellent times in all cross-country test drives.

Welcome Successfully escape once in Arcade Mode or in any Multiplayer Ranked Match.

Barrel of Laughs No need for barrels without oil! Score 110,000 points or more in the Barrel Buster bonus stage!

Broad-Backed Land on Trico's back after being propelled upwards from a cart.

Iron Grip Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

Master of the Elements Took down 100 enemies using Total Clarity.

Party of Three Find the hidden companion cube in co-op test chamber

Cryptozoologist Touch all enemy beasts.

Alive and Kicking Defeat a boss with Ms. Chalice

Losing Their Minds Defeat 10 or more suits of armor by removing their heads.

Portal Conservation Society Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

A Few Hundred Bullets Back Use Every Weapon In The Game

Sichuan Specialist Escape the restaurant in 'Laying Low' without being downed on any difficulty.

Practice Makes Perfect Have Trico catch a thrown barrel in mid-air 20 times or more.

Get Off My Back! Cling onto a suit of armor's back for 30 seconds or longer.

In the Game Create a Virtual Pro

Triple Crown Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

In War, Victory Defeated the ogre that killed King Cailan ("Return to Ostagar" downloadable content)

The Latest Sensation Defeat a boss with one of Porkrind's new weapons

Herculean Effort Can you finish Arcade Mode on Medium or higher without using a continue? Show me you can!

A Moment to Savor Pigsy's Perfect 10: Reach the top of Dead Man's Peak.