RDT1

Make It Rain Throw away money on the street.

Roops! Knock a Hybrid off the cliffs in Mt. Pleasant, PA

Bringing the Pain Defeat 50 players using physical attacks in Versus.

Gladiator Completed a Coliseum Attack stage

Glutton for Punishment Used Ironsides to collect 20 rounds of ammo or more in Burial at Sea - Episode 2.

Send me an angel Perform all Heroic Actions.

Made it Out Alive Escape 1st time in Regular or Hardcore difficulty.

Full Auto Get 5 kills with an AR.
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Woodworker Place 5 barricades as a Defender in Quick Match/Ranked Multiplayer.
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It's Raining Cats and Hotdogs Completed a round using the Mutator.

Boss III Defeat the third level boss.

Hell-Burbia Completed the larger challenge in the Hell-Burbia coliseum

The Harder They Fall Defeat 10 AT-STs or AT-KTs

You Monster Reunite with GLaDOS

No more room in Hell Successfully complete Subway to Hell

No Tumbler Fumbler Picked 25 locks.

One Step Forward If you're at a loss for what to do, why not raise a character to level 5? It should help you realize what you're missing.

Double Down Played 10 hands of Blackjack.

When It All Goes Wrong Complete Chapter 8.

Apprentice Raised One Combat Reflex to Master Level

The Bigger They Are Defeat 6 Rancors

No Stone Unturned Find all of the secret areas within an Episode

G.I. Blues Completed G.I. Blues.

Squad Goals Score a Goal while in a Club Match (Online Matchmaking only)

“A Shocking Turn of Events” – Expert The player has rescued the Little Sister in “A Shocking Turn of Events” in under 4:00

Love is the Fifth Dimension Marry your friends.

Take Me To Hell Complete Act 2 - Chapter 1 on any difficulty setting

Headcase Headshot a Demolition mech 20 times.

Shut Down Shut down an entire Tower Network

Who Collects The Collector? Defeat the wandering Debt Collector.

Master Mechanic Fully upgrade all weapons in Campaign Mode

Cleanup Crew Complete a mission without any players being incapacitated or killed.

One Armed Bandit Played 10 spins of Slots.

Blast Corps Kill 30 enemies with explosion damage.

Danger Zone Buy all items from the Survival Air Support Armory.

Your blood pressure is zero over zero Headshot a Heavy Armour Zombie without removing his helmet

From the Jaws Save your Co-Op partner from an execution by killing the attacker.

Silent Knight Complete a predator encounter using only silent takedowns in the Main Story

Racing and Pacing Finish the game in five hours.

I like what I'm seeing Like a ship

Strategist Performed a multitude of paradigm shifts.

Every Woman for Herself Finish the game without saving anyone using Jill.

Drag Queen Win five Drag Race events

Firing Range Knock down 15 metal targets on Main Street in Redlight, Greenlight.

Up and Comer Reached 20th level.

Gotcha, didn't I? Kill all Zombie Hand collectibles.

Grey Warden Killed 100 darkspawn

Chronosavior Obtained the highest possible result in the battle to determine the fate of the world.

Go for the Gold Collect 1 gold reward

Dead Useful Kill 10 aliens with environmental explosives