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Going Ballistic Kill 10 enemies with Ballistic Knife melee attack in ‘Rocket's Red Glare’ Operation.

Ballard's Crossing Complete mission 5: "Ballard's Crossing"

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)

Insert Coin Complete all achievements in one game from The Arcade.

Straw Purchase Gift a Mystery Box Wonder Weapon to a teammate and have them accept it

Going Up… In The Darkest Shore, unlock the Ubersprengen.

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

Constellation Prize In IX, kill 9 zombies with a single uncharged shot from the Death of Orion

Skill Swap Train Kinu and Kane

Ran Escape Sumoto Castle (Claws of Awaji)

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

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

Match Made in Hell In Blood of the Dead, complete a Gondola ride with the Warden

Team Player In Zombie Rush, obtain a Team Score of 500,000

Balancing Act Balance another sackperson on an object while lifting it with touch.

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

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

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

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

Hostile Witness Survive to wave 13 in Hostiles mode.

Collector Extraordinaire Collect 100% of the Prize Bubbles in The Journey Home.

Flipper Flip the level 6 times in Protector mode

Kraken Unfettered In Voyage of Despair, kill 9 enemies with a single shot of the Kraken

Delivery and Takeout Plant C4 in less than 60 seconds in ‘Self Destructive’ Operation.

Stick It to the Man Kill 5 enemies by sticking Semtex to each one in any Operation.

The Architect Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.

Shock & Awe Kill 150 enemies using the Charge attack.

Berserker Hit the castle gate with the fireball powerup.

TBoGT: Past the Velvet Rope Score 80% or above in all missions. (The Ballad of Gay Tony)

Mayday Completionist Complete all Challenges and kill the Kraken in Mayday in Regular or Hardcore difficulty.

Bang-up Job Kill 15 enemies with RPG in ‘Three Point Landing’ Operation.

Technical Skills Complete Sector 002 - Technical Damage

Hot Stuff Coming Through In Blood of the Dead, forge a Magmagat

Half the Calories Eat Twice as Much Feed the Princess 1500 calories of food in a single online game

Spelunker Find all of the Intel in Awakening.

Crack Shot Perform 10 head shots with the .357 Magnum in ‘OPS M.I.A.’ Operation.

Boosted! Hold Super Boost for 15 seconds in Protector mode

Train Robbery Complete mission 6: "Train Robbery"

Master of Arms Complete 5 weapon challenges.

Inquisitive Mind Find all of the Intel in Mayday.

Armored in Glory Complete 10 armor challenges.

Perkaholic Relapse Acquire every perk in a single game

TBoGT: Gold Star Score 100% in all missions. (The Ballad of Gay Tony)

Ensign Reach round 10 in Carrier.

Paranormal Patch Up In Blood of the Dead, revive another Player with a shield

Extreme Prejudice Kill 10 enemies in less than 5 seconds in any Operation.

The Battle's Won Finish the game on the RDA side.

The Final Chapter Find all 7 story related intel files in Exodus.

Cheney? Defeat a Bulldozer with a shotgun.