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Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Alright, Alright Survive until round 10 in Infection.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Survivor Survive until Round 25 in Outbreak.

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

You Can Pet The Dog Pet a Hellhound in MWZ

Release the Kraken! Killed 20 enemies during the boat exfil in Rip Current

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

All Aces Played multiplayer mode for the first time.

Silverware Win a trophy as a Team Manager in Career

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

High Wire Act Kill 10 enemies while using a zipline

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

Annihilation Get 100 Elite Zombie Eliminations in Zombies

No Mo' Modi Get out of jail, but not for free

You Have 5 Seconds to Comply Build a S.H.I.V

Perkaholic Have 9 perks active at the same time in MWZ

That's One Way to Do It... Destroy an airborne enemy helicopter with a Mortar Strike

Spirited Sparring Kill 500 enemies with Ultimate Skills as a Spiritborn.
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Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

Ride the Lightning Build a Firestorm.

Insanity III Complete all three games in Mass Effect Legendary Edition on Insanity without changing difficulty

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

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

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

Rare and Exceptional Purchase Armor, a Charm, or Vanity Gear from Masujiro the Melodious in New Game+.

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

Dipped in Gold Purchase all Safehouse and Player Upgrades in Campaign

141 Ready Complete the campaign on Veteran

The circle is now complete Get to Rank 100

Enough Coin to Disappear You survived The Brigmore Witches in low chaos with 10,000 coins

Cyberized Research all Augments for 10 Items in Zombies

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

Reunion Visit another Player's Base

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

Flipper Flip the level 6 times in Protector mode

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

Varterral's Fall Defeated the varterral on Hard or Nightmare difficulty ("Witch Hunt" downloadable content)

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

"Over Here!" Capture 10 guards investigating the disturbance.

Case in Point Complete the Campaign on Veteran difficulty

Citizen, Shivering Isles Reached Citizen Rank in the Court of Madness

Boosted! Hold Super Boost for 15 seconds in Protector mode