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The Sound of One Hand Capping Complete ‘Got Your Back’ Operation with only a handgun.

Survivor Survive until Round 25 in Outbreak.

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)

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

Loyal Customer Purchased all upgrades in the Motor Forge

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Lost In The Snow Complete the Lost Settlement secret mission.

Pied Piper of Squirreldom Have 5 squirrels following you around at the same time

Quill Tosser Killed a Tollusk using only Ground Urchins.

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

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

Complete Episode 3 Complete all the chapters in Episode 3.

Voices From Beyond Unlock all songs in the Mouth of Metal

Your Way Play a house rule match.

Troglodyte Kill all scientists with head shots in ‘Self Destructive’ Operation.

Rank - Expert Builder! Collect 80 Gold Bricks

Tourist Viewed all vistas

Flying Paintbrush Splat a seagull with the paint-ball gun while it's mid-flight

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

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

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

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)

Speedy Monopolist Win a match within 15 minutes.

Now we can Play In a single match, have a hotel on two different color sets.

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

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

Subjügator Won 10 match-made multiplayer battles.

Trumpet Trunk Trumpeter Play the trumpet to an Elephant

Muppet Mastery Complete The Muppet pack's story

Sharing is Caring Through a trade, have each player complete a color set.

Cönquerer Won 50 match-made multiplayer battles.

Highland Coo! Play bagpipes to a brown bull

Blacksmith Craft 300 items at an anvil.

Serpent Savior Freed all 120 Bound Serpents

Seriously Overpowered Equip a gilded, unique, fully enchanted weapon.

Natural Talent You finished Mystery Foe without using any active supernatural powers

Sanguine Serum In Zetsubou No Shima, drink fresh Widow's Wine.

Big Top! Achieve a score of 2500 or higher in "Gonzo's Endless Cannon Run Ride!"

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

Collector Own both utility buildings and all Train stations in a single match.

Hostile Witness Survive to wave 13 in Hostiles mode.

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

Win with Friends Win a 4 player split-screen race

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

Rank - MASTER BUILDER!!! Collect 100 Gold Bricks

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

Dollpocalypse Hit 6 enemies with the explosion from a Brood's Double Team