mathiusklein

Supply And Demand Complete all Freddie Resistance Missions

Off The Record Complete all Claire Resistance Missions

Full Marks Infiltration - Complete all the Challenges

Music Lover Collect all harmonica melodies in the SAM'S STORY chapter.

Fully Kitted 2.0 Unlock all Upgrades in the Bloodline expansion

Perfect 10 Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

Packrat Collect 50% of Data Drive files in the Bloodline expansion

Atomic Obliteration - Complete all the Challenges

A Man of Principle Complete the SAM'S STORY chapter earning the Captain's full trust.

It's just a scratch Complete THE TWO COLONELS Chapter without using any Medkits on Normal or higher difficulty.

Great Owl Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

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

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

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

Master of the reliquary Gather all the fingers of Frankenstein

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

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

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

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)

Go Figure Plant ShadowChild's figurine.

Help Desk Get the Blade lobby desk clerk to help you bypass security.

Extract The Data... Get the data that Pritchard is after from within the Palisade Blade.

Expose The Truth! Decide what to do with the evidence you uncovered.

Enough Coin to Disappear You survived The Brigmore Witches in low chaos with 10,000 coins

Clean Sweep Complete the System Rift Jensen Story without killing anyone.

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

Muppet Mastery Complete The Muppet pack's story

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)

Going Up… In The Darkest Shore, unlock the Ubersprengen.

A Just Cause Decide what to do with the Altered Biocell.

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

Murder He Wrote Find all pieces of evidence behind the Saridakis murder.

Too Hot to Handle Complete the server chamber area without being detected by any HeatEye cameras or enemies.

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

Knock Knock Get Slaw to open the security door within the Palisade Blade.

Stalact-tactician Takedown 2 enemies with one stalactite

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!"

Don't Reach, Kid Find the basketball and put it in the hoop.

A Criminal Past Complete A Criminal Past.

Snowjob Get 3 enemies frozen in one attack

Down with the Revolution Stop Anarky thug operations in South Gotham