EspFiend

Supply... Unlock new weapons by hitting a Convoy

Veteran Acquire 100000 experience points

Undertaker - Kill 1000 Helghast Kill 1000 Helghast soldiers

Go the Distance Win 50 matches of Multiplayer.

Ambush King Kill 100 enemies with traps

Duke or Dimwit? Defeated all waves in Duke and Dimwit Theater.

Carpe D.I.E.M. In Die Maschine, free the lost Decompressive Isotopic Estrangement Machine.

Fight For That Inch Win your first league battle

Green collector Gather all the 30 Life gems

Revival Revive 31 teammates (lifetime)

Now That's a Big F***** Gun Defeat 40 enemies with the SKULLFEST 9000

Master-At-Arms Fully master a rifle, secondary weapon and pistol

Tower Warrior Complete a Tower with every character

Destroyer Complete 1000 sabotages.

Impulse Buyer! Purchase any 3 upgrades.

Yule Shoot Your Eye Out Destroy 10 Snow Globes in Santa's Workshop

Elevator to the Gallows Kill a player using a lift that has been trapped with Booby Trap.

To Infinity… Purchase Zurg's Spaceport

Capable Operative Complete Separate Ways on Standard mode or higher.

Well Rounded Play every character variation

Vehicular Carnage Complete Chapter 2 on any difficulty setting (Story Mode).

Curator Discover all of the collectibles in the Campaign.

Diggin' It Complete five digging mini games.

The Explorer Complete all optional missions.

Keep it Secret Find a secret fight in the Living Towers

Threat Elevated Destroy 25 strike teams.

Nothing Is Over! Defeat 'ALF: 0N50'

Good Listener Take GLaDOS' escape advice

Freeroamer 2 Reach 100% complete in 100 locations.

Death's Door Unlock the Alchemist Room in Monster Ball

Pandemic Kill 200 zombies

The way to Stardom! Create a set using at least one object, one controller effect, one visual effect, one mask and changing background music.

Strider Master Earn all Trophies in Strider

Fireworks In The Final Reich, retrieve the artifact.

Master improver Find all the secret Brotherhood arks

Cuddly Town Purchase Lotso's Enchanted Glen

Sunbreaker Complete "The Sunbreakers' Challenge" quest.

Dark collector Gather all the 30 Shadow gems

The House Always Wins Completed The House Always Wins.

Stim-ply Amazing Healed 10,000 points of damage with Stimpaks.

Skullblaster Master Defeat 50 enemies with the SKULLBLASTER

Taffer's Delight Completed Burial at Sea - Episode 2 in 1998 mode.

I was waiting for you for so long Reach the inner circle

Raiding for a Living Complete 12 quests for any Nuka-World Raider Gangs

Ignition Rising Star Unlock additional events in 'Ignition'

Blue Eagle Complete all single-player episodes on Hardline difficulty

Samples are a diver's best friend Extract with at least 15 rare samples from a mission as a team.

Green Thumb Heal with 101 Green Herbs (lifetime)

Epic Raider Complete a Raid on hard difficulty.

...into the fire. Save a Buddy from a mortal wound