MassakerIIx3

Feeling So High Sliced an enemy upward and finished it in the air.

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

Sébastien Loeb Rally Challenge Complete the "Sébastien Loeb Rally Challenge" Special Event.

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

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

Dark Room Beat the Dark Room

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

Brilliant Shoulder Throw Used "Just Guard" 100 times.

Hearty Have 9HP at one time

Taking Flight In Gorod Krovi, ride a Dragon.

You Snooze, You Lose Sneak up on The End and hold him up to make him drop an item

Float Like a Gadfly Used "Dodge Burst" 100 times.

The Relic Kill Isaac with Maggy

I'll put this spear into... Kill Sadatame without getting hit

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

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

The Bomb Bag Kill Satan with Cain

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

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

Monster Master Maximize the research level for almost all large monsters.

A Good Man Is Hard to Find Achieve a Camo Index of 100%

A Clean Bill of Health Have a single character affected by all status ailments (both beneficial and detrimental).

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

The Guillotine Kill Isaac with Judas

Golden God You are the best!

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

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

The Coin Bag Kill Isaac with Cain

Donut Mess with a Cop Unlock Officer Dick.

Going to the Vet Earn the "Veteran" Challenge Collection.
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Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

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

Office's Affairs Cleared 3 sub-missions.

Leave no stone unturned Find all lore collectibles

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

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

PEACE WALKER Clear the game without killing anyone

Clash in a mirror Kill Hiroki Demon without getting hit

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

Blood Rights Kill Satan with Samson

Follow your blade Complete the game with the path of fury

Call me Terror-Billy! Beat the game on "Call me Terror-Billy!" difficulty or higher

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

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Friendly Fire Call in fire support

Killer at the Gate of Dawn Cleared all episodes on Normal Mode.

Wander and the Forbidden Clear the game in hard difficulty

Forgive me, sensei Kill Sanjuro Demon without getting hit

Untouchable Complete a whole chapter without dying and using a shrine

Endangered Lizards Killed all shining lizards