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One in Three Alex Kidd - Win 50 Games of Rock, Paper, Scissors

...That's A Promise Get Tequila to surgery

Matter of Honor Discover the Elite Predator's fate

Still a True Son of the Emperor Kill 41,000 Enemies (all game modes combined)
23624/41000

Death Row Kill 12 enemies while descending in the panopticon in 'Operation 627'

Alive and Kicking Defeat a boss with Ms. Chalice

Computing with Style Play a Multiplayer Match with a piece of Robotic Armor equipped

A Little Help From A Friend Complete 1 mission in Co-Op.

Modern Technology Perform 1 kill with the Broken Bottle

Thomas' Story Finish every chapter playing as Thomas.

One Big Bug Defeat the Praetorian

Visible, Violent Death Kill 2500 enemies.

You have recovered Collect a Fallen Hero in Survival mode

You Can't Stop This Complete the story with any Permadeath setting

Get to The Chopper! Recover Weyland's datapad

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

Defender of Humanity Overcome every challenge and achieve ultimate victory

Power Through Space Harrier 2 - Reach a score of 5,000,000

Fly you fools! Golden Axe 2- Kill 25 enemies by throwing/knocking them off the environment in a single play through

Remember Me Complete the first area

Killin' Time Complete an Incursion Mission at Mastery level 10

Good Boy You pet the Veki

Head Games Complete Emergence in Campaign on any difficulty

Filling the Trophy Case Earn every medal type in Arcade Mode in one run

Just the Tip Awakened: Craft a Weapon using a MK-II Weapon Tip.

Tin Star Win 5 rounds as a Lawman (ranked only).

Filled the Stockpile Perform a kill with all "In the Name of the Tsar" weapon variants

A Few Hundred Bullets Back Use Every Weapon In The Game

Come Sail Away Earn the Army Commendation Medal

He Hasn't Covered Wars... Use every type of firearm on a zombie

Number the Dead Defeat 10 Raising Hell Hit Squads
1/10

Need to Know Complete 100 Support Squad Contracts
35/100

No Parley Get a kill with the old cannon

Look at All That Juice! Create and consume all mixed drinks in the game

Streetwise Collect all Landmark collectibles scattered across New York City.

There's still time During "The Plan", kill all of the enemies before entering the tower

Crime Does Pay Win 5 rounds as an Outlaw (ranked only).

Damn, I'm Good Complete the SP campaign on Insane Difficulty

Well Invested Buy 20 second level and 10 third level upgrades (ranked only).

Hired Gun Unlock and Slot your first Storm Shield Defender

Hunger Pangs Complete "The Old Hunger" quest.

Hero of Fortune City Save 50 survivors

Groundhog Slay Complete all Story Quests in NG+. No actual groundhogs were harmed in the completion of this.

Beauty is Pain Play a Multiplayer Match with a piece of Cyber-Demonic armor equipped

Say goodbye to the gold! Complete 'Crossing Over' on hard

The First Step Reach Level 55

Weapon Facility Gain access to the Facility in Nightfall in Regular or Hardcore difficulty.

It's Fear That Gives Men Wings 10 Bullet Time® Kills In A Row

Tower of Prayer Save at all save points

Remember You Complete the second area