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So Much Blood! Gunzerk continuously for 90 seconds.

Trash Picker Scavenge 40 items in a single game in Regular or Hardcore difficulty.

Scary Stories to Tell at School STU: Complete all newly-added side missions revolving around the school.

Rampage! Use the Ram to wreck 10 opponents.

Have Spacesuit - Will Travel Attain ‘Adventurer’ status in On-foot Exploration

The Pit Protector In the Club's pit, beat the Juggernaut before any other enemy is beaten.

The Grand Tour Complete "The Grand Tour"

All Together Now Andrew has a good relationship with all characters

The Golden Ticket You made a tough decision as to whether Irenka Bauer or Edward Brod would get to stay in Prague.

Tick Tock You found the 10 hidden alarm clocks.

Sisters of Athena Endurance Co-op Challenge: Kill a combined total of 25 enemies in a single Expedition

Gatherer Find 50% of the collectibles in the campaign

Cursed No More Purify a Cursed piece of gear.

Secrets Too Dark Found all family secrets

Power Struggle Complete Power Plant in the Campaign

Arkham City Lockdown Defeat every Villain With Batman

Sisters of Artemis Endurance Co-op Challenge: Kill a combined total of 10 dangerous animals in a single Expedition

"Eh, eh-eh. Eh eh, eh-eh!" Make someone strut their stuff

Like lightning Use the Boost for a total of 30 minutes.

A Blade of Memory Destroy all Teeth, Balloons and Jack-In-The-Boxes.

Unseen Predator Remain in Zer0's Decepti0n mode for 10 seconds straight.

Rational Mind Rational was one of top two traits for John

Capped Out... For Now Reach level 35.

Eat DiRT Earn 50 'CHECKMATE!' Medals

He Who Doesn't Exist Defeat the Mysterious Man in Hollow Bastion.

Samizdat You opted to work with the Samizdat group & spread their news throughout Picus media streams.

Mission Impossible Complete the game on Zealot setting

The Village Defeat the Queen of Smiles.

#10 Downing Street Reach Career level 10.

Twinsanity Defeat the Doctors N. Tropy

Undertaker In The Final Reich, kill the Bomber with the shovel.

Powered by Steam Collect all the items (Steam Cells) on Airship

Robot Revolution Hasta la vista, baby

Tower of Doom Tumble a pile of 6 Scraps

The Heat is Off Escape successfully from all Heat levels

Gasoline Cowboy Rescue your allies with the Sherman while keeping your armor above 80% in Collateral Damage.

Decrypted Complete Jackal Canyon in the Campaign

With Bells On Purchase all of Faith's upgrades

The Lounge Is Closed Rescue Rise Kujikawa

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Completionist Complete all Extinction challenges and escape in Regular or Hardcore difficulty.

Throttled Escape Escape using a relic in Regular or Hardcore difficulty.

Outsmarted In singleplayer, get a quadruple kill with a single Frag Grenade

Tinkerer Construct 50 Engineering Items

Shattered Break 20 Panes of Glass.

I Saw You On The Battlefield Destroy all Security Hubs

Accessorize! Take the "accessories" from the kitchen

Veteran Main character learned a specialization

Speed Demon Complete the game in under 4 hours

Three-Second Rule Pick up your fallen head 100 times.