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Views From the Abyss STU: Complete "The Spider's Thread" mode.

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Master of the reliquary Gather all the fingers of Frankenstein

Alright, Alright Survive until round 10 in Infection.

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

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

Smart Mouth Complete a puzzle level with moves remaining

Artful extraction Absorb your third Boss Stem Cell

Rocket Launch Successfully perform a long drive of 300y or more
in a recorded official round

Survivor Survive until Round 25 in Outbreak.

Finished, without fear. Finish the game with two Boss Stem Cells active

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

Mancake! Kill an enemy by dropping a structure on them.

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

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

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

Closing the Book Defeated the redscale dragon from the Book of Apocalypse.

High Wire Act Kill 10 enemies while using a zipline

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

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

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Lightning Emissary Reach the end of the game in 5 hours or less.

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

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

The epitome of Super Earth Complete all Trophies.

Perkaholic Have 9 perks active at the same time in MWZ

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

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

The Traveller Acquired all trophies.

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

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

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

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

It Ain't Easy Being Green Attack all 64 Kerotans
5/64

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

Perfect Putting Successfully perform a putt within par that travels for
over 30ft in a recorded official round

Positive cash flow Complete a Financial objective in Career Mode

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

It's Duck Season Attack all 64 GA-KOs
6/64

Rank 3 Cleared! Clear rank 3 of the challenge tournaments

Beginner Master Complete All Beginner levels

Catalog Conqueror STU: Complete all nekomata jobs in "The Spider's Thread" mode.

Hard Headed Collect 1000 helmets

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