LiquidSolid

Part IV Complete Complete the four chapters of Part IV.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Dark Side Complete zone 21 without rescuing any survivors.

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

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Thanks for Playing! Complete the Final Chapter.

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

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

Hard pressed Complete all levels on Hard

The Force Complete Zone 18 without upgrading weapons.

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

The Spider's shadow Complete a Noir level without triggering an alarm

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

AMG Completionist Gain all stars in 'AMG'.

Start of Something Good Befriend your first Perfect Partner character.

Substory 4 Finish 4 substories.

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)

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Worst Nightmare Master the Worst Nightmare Dark Knight track

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

A Perfect 10 Earn a PERFECT medal on Zone 10.

Queen Firefly Kill 15 enemies with Marlene's assault rifle in one encounter in No Return
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Muppet Mastery Complete The Muppet pack's story

Subjügator Won 10 match-made multiplayer battles.

This Make You All Nostalgic? Complete the Part I challenge track in No Return

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

Crusade - Chapter XIII Finish the levels from Chapter XIII in Knight difficulty

Flipper Flip the level 6 times in Protector mode

Legend of the Dark Knight Complete all Dark Knight challenges

Old West Legend Finish the game on very hard difficulty.

Hasegawa's Right Hand Cumulative point total from Hasegawa's directives hit 5,000.

Smooth moves Unlock all Combat Upgrades

Cönquerer Won 50 match-made multiplayer battles.

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

Biology Lesson Kill a Bloater with the pump shotgun as Bill in No Return

Official Sponsor Fully upgrade Kamiyama's truck.

Majima Trophy Defeat 100 enemies using Heat Sniping with Majima.

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

Reunion Visit another Player's Base

Boosted! Hold Super Boost for 15 seconds in Protector mode

Bug collector Collect the Hidden Spiders

I Would Do It All Over Again Complete the story in chronological order

Slacker Beat the minesweeper minigame.

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

Epic victory - Chapter XIII Finish the levels from Chapter XIII in Paladin difficulty

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

Captain Pig-ard Achieve a score of 4000 or higher in "Pigs In Elevators (In Space)!"

Tower Master Complete all Tower missions

Ogre's Keeper Keep the initial ogre alive as your thrall throughout the entire module. ("Darkspawn Chronicles" downloadable content)