kitchen_knife

Aurophilia Open your very first gold chest.

Werewolf Mastered Acquire 11 werewolf perks

Be like Joe Bank a 300-hit combo

"Okay, let's do this." Complete 'Credit Crunch' as Mash.

That Lucky Old Sun Completed That Lucky Old Sun.

Anti-Cyborg Sentiment Destroy a total of 100 Cyborgs during story mode.

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

It's a trap! Score a combo of 75 or more while fighting up the stairs at the "Front Gates of EEEEEEEVIL!"

Double Down Played 10 hands of Blackjack.

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

Strategist Performed a multitude of paradigm shifts.

Blast Corps Kill 30 enemies with explosion damage.

Parachute Climber Open the parachute and then land on foot 300 meters above the starting height.

Complete a set During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.

Master Architect Build three houses

Bag lady Find all three hidden bags in one chapter

Kamikaze Complete a level on Regular difficulty or higher using only melee or grenades. (Solo only)

No Tumbler Fumbler Picked 25 locks.

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

One Armed Bandit Played 10 spins of Slots.

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

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

Clock Stopper Responded swiftly to the appearance of enemies.

Cleaning time! Suck up all toys using the vacuum cleaner.

Gold rush Complete five Gold Challenges

It's a dangerous business... Complete 'The Black Rider'.

Completionist Completed all missions in Secret Armory

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

Up and Comer Reached 20th level.

Part III Complete Complete Part III Of The Story

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

That is no trinket you carry... Complete The Camp at Weathertop.

You Monster Reunite with GLaDOS

Get A Life Get A+ on all the chapters

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

Into the Den Complete story mission 6.

Go for the Gold Collect 1 gold reward

Ommetaphobia Defeat the boss in Castle Hamson.

Elevator Action Knock off every Tripod during the Elevator Sequence

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

"And Mash wins!" Survive the Festival as Mash.

A Just Cause Complete story mission 7.

Supreme Being Fully developed all abilities.

Know DP? Know madness Complete the game on Ultra-Violence! difficulty

Architect Complete 'Vendetta' on Veteran difficulty. (Solo only)

It's Christmas every day! Create and give 10 toys to the AR Bots using a Companion Device.

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

Spread The Love - Kill 5 Helghast at once using the WASP's secondary fire Killed 5 Helghast at once using the secondary fire mode of the WASP launcher

Trophy Addict Unlock All Trophies

You Run Barter Town Sold 10,000 caps worth of goods.