Programz404

Kickin' Up Dust You helped MJ and Roxy get the Witnesses free

Titan Mastery Fully upgrade a Titan Subclass.

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

For Close Encounters Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.

No Witnesses You completed a mission without raising alarm.

Completionist Completed all missions in Secret Armory

Meet Cypher's Edge Max out the Hit Meter 25 times

Family Memories Fond and Faded Find all Liddell Memories

Silver Streak You obtained your first silver perk.

Ain't Nowhere Safer You captured Slim Beaumont

You Monster Reunite with GLaDOS

Shot in the Dark Kill 10 enemies while the lights are out in the subway in 'Eviction'.

The Final Countdown You showed millionaire Hugh Darrow that his logic was flawed.

Excellent Win a round without taking any damage in Arcade Mode (any difficulty level)

The Power of Three Completely upgrade three weapons.

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

The Beginning of the End In Shadows of Evil, complete all Rituals.

Still In the Game Survive to Round 5

Complete Monster Islands Complete the main path of Monster Islands

It's Raining Cats and Hotdogs Completed a round using the Mutator.

Seasoned Campaigner Pepper All Snouts in the Game

Blood Master's Trophy Obtained Best Weapon by Suckerstone

Everything Fit to Remember Find all Memories

Pimped Out Pad Upgrade one Stronghold to its full glory.

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

Somebody Perform 25% of the Single Player Skillshots

Chain Reaction You exploded 10 vehicles in 10 seconds.

Health Nut Collect All Health Upgrades

And Embrace What You've Become Install at least one experimental augmentation.

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

The DUNBAT Discovered Theta

Congratulant's Trophy Obtained Best Weapon by Faintstone

Decorator Collect all Fragments of 4 Theme Recipes

Who Loves Ya Baby Kill 50 brutes.

Didn't Miss A Beat Complete the Balrog without falling

Corporate Warfare Protect a client's interests by performing a less-than-hostile takeover.

Covered in Blood You met Bonnie Harless

Poison Master's Trophy Obtained Best Weapon by Mercurystone

Undiscouraged Complete the first Thermal Discouragement Beam test

Love/Hate Relationship Taunt AND/OR Compliment 50 gang members.

Shade Master's Trophy Obtained Best Weapon by Cloudstone

Biff! Bap! KaPow! Kill three enemies in a melee combo.

Seeing Red Collect all 10 red skulls in any single level

VS Dural Face off against Dural in Arcade Mode (any difficulty level)

I like what I'm seeing Like a ship

More Than Handy Craft an Outfit, a Weapon, and a Theme

“Worlds of Hurt” – Collector Found all collectable Roses in “Worlds of Hurt”

A Man Apart Finish Chapter Six

It's Alive! Complete Dead City in the Campaign

Triple Tete Arm yourself with three of the same head.