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Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

Critical Literature Collect all physical Codex pages in a single save slot (Ancient Gods 2)

Pleased to Meet You! I used to ask millions of questions as an agent. There's a lot you can learn from people just by talking to them—try chatting in the Battle Hub.

Baranor the Conqueror Complete the Desolation of Mordor with a Gold Rating.

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Pursuit of Knowledge Filled 80% of the Datalog.

Ready to Dance? Have you had a chance to jam out at the DJ Booth in the Battle Hub, bud? Pick your favorite tunes, and light the dance floor aflame!

Heian Demon Completed all missions in "Darkness in the Capital" on Dream of the Demon.
0/11

Moneybags Have 15000 credits in the bank in Outbreak.

Let's Play Complete the first Horde Mode Mission

Let the Praise Become Your Muscle Hrrah! To fight before a cheering crowd is an honor shared by all wrestlers! Go on—try earning yourself a "Nice" fan of your own!

Wax On, Wax Off Parry all of The Boss's CQC attacks

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

PEACE WALKER Clear the game without killing anyone

Way of the Vanquisher Completed "Against All Comers" on Dream of the Demon or higher.

Welcome to the Stable Sounds like the Battle Hub has clubs you can join. Just like a sumo stable! You should join one! Ooh, I wonder if they have chanko stew...

Watching Gets Me PUMPED! Ah, there's nothing quite like a fight, one-on-one, in the flesh! If you wanna appreciate it too, go spectate an Avatar Battle!

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Becoming the Avatar In Avatar Battles, you can battle others as an avatar―a self outside of your self. Go there, and experience all that such combat has to offer.

Gest - Chapter XIII Finish the levels from Chapter XIII in Warrior difficulty

Coolheaded Analysis Reviewing replay footage is a great way to learn from past fights. Watch with a calm, subjective eye, and you're bound to make some discoveries.

The Original Demon Completed all missions in "The First Samurai" on Dream of the Demon.
0/11

Behind the Curtain Complete Beckett's story

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

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

Master of the reliquary Gather all the fingers of Frankenstein

Come On And ... Slam 10 zombies at once in Outbreak.

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

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

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

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

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

Survivor Survive until Round 25 in Outbreak.

Nahantu Sightseer Explore all of Nahantu.
0/100

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

Classic Leaderboard Champ Ever try the Ranking Challenge at the Game Center? Give it a shot! It's important to always challenge yourself, even when it comes to games.

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

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

The New Fort Knox Gain 1500 gold bullion

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

Joining the Pack A lone wolf is strong, but they're far more fearsome if they have a pack to call their own. So go on—try making some friends!

Wish Upon A Star Complete Sofia's story

It Ain't Easy Being Green Attack all 64 Kerotans
52/64

It's Duck Season Attack all 64 GA-KOs
52/64

1-Upsmanship Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 1)

Reinvent the Weapon Wheel Re-collect all of the weapons on the Weapon Wheel

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)