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It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

Rough Rider Destroy 15 vehicles during a single challenge

Remember Me? Deal the winning blow with a resurrected worm.

Not One Inch In Gorod Krovi, complete a Lockdown Event.

Played with fire Defeated the Keeper after changing his initial magic school to the fire type

Where's that Letter!? Defeat Flesh Lips.

Silver Time Earn a silver Time Trial record on all tracks

Alpha Wolf Mountain - Complete the mission on Authentic difficulty.

Delivery Specialist Deliver all 5 virus samples for your team in Dispatch's Biohazard Mode

Breaking and Entering Pick 10 locks.

Collect-a-saurus Collect 15 special bubbles.

Practical Mayhem Deploy an active skill in a mission, and have at least one other player use the results.

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

The Pitcher Complete "The Pitcher" challenge

No More Marching Killed all the mascots of the Popcorn Parade

The circle is now complete Get to Rank 100

Let Lounging Lickers Lie Do not wake up Lickers in the Atrium encounter in By the Trail of Our Dead

From Führer Away Wolf Mountain - Kill Hitler at a distance of 300 meters or more.
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Is This Real Life? Survived rebooting the network in the Project Resolve Center

Ancient tool, new purpose Defeated the Judge with a weapon dropped by the Keeper

Once a Parent, Always a Parent Welcome a child into the family.

End Game Complete the final mission

Dog Fight Kill a Gargoyle with the Vanguard in Awakening in Regular or Hardcore difficulty.

Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

As A Scalpel Earn the "Excellent" rating in every performance category on a terror mission.

Old West Legend Finish the game on very hard difficulty.

Muppet Mastery Complete The Muppet pack's story

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

That New Car Smell Buy a car.

Choke on that Kill Groeder – Kill him for good

Cornucopia Acquired all fruits in the world

Without a Trace Barrel through the lava, don't let anything stop you

The Emperor's Marksman Kill 10 enemies in a row in a single Ranged Fury activation.

Master of Sword and Gun Complete a Chapter of the single-player campaign using only the Bolt Pistol and Chainsword.

The Bay Of Pigs Survived an invasion from the USA

Rocket Socket Kill 5 enemies with Rocket Launcher

Divided We Fall Complete an Echo Six Expansion mission with no human player incapacitated from death or infection.

Back to the Past Completed "Back to the Past"

Flipper Flip the level 6 times in Protector mode

Enforcer Get at least 15,000 points in one Echo round

Pull! Complete "Pull!" challenge

Supreme Commander Completed all chapters on any difficulty using Optimus Prime.

Tactical Challenger Complete all of the Tactical Challenges in VANQUISH.

Squad Chief Helvig Defeated S&R Squad Chief Helvig

Not Again... Complete "The Class Act".

Acquire All Trophies Acquire All Trophies

Metal Head Upgrade a song at the Tapesmith