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

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

True Completionist Cleared all areas on hard difficulty!

The First One is the Hardest Get your first 1,000,000+ combo

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

That Party was Ace Ace every Adventure level in The Journey Home.

They died for a cause Kill every Disruptor in a single world

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

Rank 3 Cleared! Clear rank 3 of the challenge tournaments

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

Reaper Defeated the Harvester ("The Golems of Amgarrak" downloadable content)

Burnt offerings Complete Fire Caverns in arcade mode on any difficulty

Sack the Postman Post all 6 invitations for the party.

Queen Firefly Kill 15 enemies with Marlene's assault rifle in one encounter in No Return
0/15

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)

Worst Nightmare Master the Worst Nightmare Dark Knight track

May Your Death Be Swift Win a Daily Run of No Return on Grounded difficulty

Xenophobe Kill a UFO!

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

Let it Snow Receive the Extreme Environment Suit (XE Suit)

Muppet Mastery Complete The Muppet pack's story

It's a secret to everyone Discover a secret level

Sky Runner Unlock Titan Sky

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

Flipper Flip the level 6 times in Protector mode

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

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

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

Stalact-tactician Takedown 2 enemies with one stalactite

Legend of the Dark Knight Complete all Dark Knight challenges

Top of the Heap Reach New York Mastery Level 20.

Damn Good Coffee Achieve a total of 1000 Perfect Grinds

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

For Auld Lang Syne Stop Freeze and bring Boyle to justice

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

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

Boosted! Hold Super Boost for 15 seconds in Protector mode

Data Miner Collect all data packs

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

Down with the Revolution Stop Anarky thug operations in South Gotham

Snowjob Get 3 enemies frozen in one attack

Dimensional Drifter Powered up the first generator

Null and Void Reach Haven Island Mastery Level 20.

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

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

Conquering dystopia Complete Machine City in arcade mode on any difficulty

12-Wheeler Create a model car with at least 6 pairs of wheels and beep the horn

Save the last humans Lifetime total of 1,000 humans saved in Survival mode