Mr_Zocker

Burning Root Burn a root of evil.

The best laid plans Work with a Buddy to subvert a mission offered by a faction

Top Of The Food Chain You successfully killed 20 players with a pistol in a deathmatch.

Just Getting Started Get 100 kills in Quick Match/Ranked Multiplayer.
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Gladiator school Survive 15 consecutive waves with each of the 4 characters.

Demolition Expert Build the most destructive weapon.

Up to the Challenge 1 Complete 10 challenges.

Treasure Hunter Held every weapon and accessory.

Speed Bumps Run over 500 characters in a single tank.

Bat-Dancer Complete Batman's special Anniversary Dance Puzzle as Batman (1966)

Complete your 1st Party Round Awarded when you complete the 1st Round of your 1st Party.

Might Makes Right Purchase all Attack upgrades.

Ultimate Hero Acquired all trophies.

Suburban Nightmares Complete Act 4 - Chapter 5 on any difficulty setting

Big Beat Down Defeat 20 enemies with Mech Suit.

Not a Poozer Gain experience level 10.

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Touch And It Will REALLY Hurt Counter three enemy attacks consecutively with the Moon of Mahaa-Kalaa equipped.

Demolition Derby You destroyed 50 vehicles.

Pigeon Parfait You played 'Bird Blast.'

Justine For All Complete Act 4 - Chapter 6 on any difficulty setting

Flat Lust Defeat Justine

Hot Pursuit Clear Mission 8.

Biot Clear Mission 7.

Invincible Warrior Kill 50 enemies in a row with inventory weapons without losing health.

Gold Medalist You obtained your first gold perk.

I've Brought You A Gift Defeat the Soul Arbiter

Dockyard Discord Finish the Connection level in "Joe's Adventures."

5 Hit Combo Perform a five-hit combo in Score Attack Mode

Wash my hands of this mess Bounty Filthy Hands Floyd

Hang 'em High! Kill 30 enemies while they're suspended in the air with the grappling hook.

Faster Than Light Achieve a 10x point multiplayer in "Jimmy's Vendetta".

Ultimate Weapon Clear Mission 9.

Pied Piper Entice 10 Stormtroopers to leap to their deaths with Mind Trick.

Piece of Cake Complete the SP campaign on Easy Difficulty

Fragmerchant - Kill 5 Helghast using a single grenade Kill 5 Helghast at once using a single frag grenade

Darkseid on the Moon Play as Darkseid on the Moon

Synergy Clear a mission in Co-op.

Beating the One-Eyed Worm Defeat the Leech

Duke Angry, Duke Smash! Kill 15 aliens with melee attacks while on steroids

Emerald Warrior Complete the game on Poozer or Enforcer difficulty.

Return to Oa Clear Mission 10.

Bridge Buster You destroyed the train.

It Begins... Complete 10 matches in Quick Match/Ranked Multiplayer.
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Willpower Purchase all Construct upgrades.

Vrooom! Maintain sprint speed for 30 seconds.

Krypto Come Home Play as Krypto in the Man of Steel level

Lights Out Defeat 10 enemies with Piston Blitz.

Hal Knows Jets Defeat 20 enemies with Jet Fighter.

Betrayed By Rage Complete the game and choose the Dark Side ending.