RedSplinter

Chases The Aces Complete 10 Story levels in a row without being killed.

West Coast Performer Played a set on the West Coast of North America

California Gold Find all gold in "The Diaries of Agent Silent Death"

Mortality rate = zero Completed World 2 in one play session without dying

Liberator Rescue all 6 Kickstarter backer hostages.

Annoying Acrobat Swing from one place to another and damage an opponent in between

Investigation Complete Find all readables in "The Diaries of Agent Silent Death"

Quiet Ambition Cleared the stage, "Quiet Ambition."

I'm back and I bought a friend Complete the game in local co-op with your friend, without dying

Privacy Matters Disable 25 unguarded cameras.

A Line Crossed Complete the Avatar Autopsy

Pale Horse Kill 500 aliens.

Adrenaline Rush Put down 10 enemies once they notice you, before they raise the alarm.

Obsolete Models a Specialty Win the Historic Legends Series

Bruce's Revenge Obtain all 72 medals on the original Arkham Origins ranked maps (as Bruce Wayne)

Passive Aggression Complete the game without having more than 3 fatal casualties per level.

U-turn String together: wallrun, wallrun, turn, swing, jump. [Pure Time Trials]

Killing Spree Kill 4 in a row without dying

Full of Diamonds Collect all diamonds in Hall of Diamonds.

Cyber Warfare Collect data stick from 47 computer terminals.

Mighty Hoarder Score 100,000 points in total.

No need to rotate Complete trial #30 without rotating a brick.

Mechlord Hack a Sectopod

Crop Duster Pass gas in a biplane

All Jacque'd Up Complete all objectives in 1895 Notre Dame on Normal or Hard difficulty.

Hawkeyed Performed 100 successful head shots.

Campaign Ninja Obtain all 108 medals on the original Arkham Origins campaigns (as Bruce Wayne)

Digital Man You unlocked all shop items

Father McHealy Heal teammates for a total of 500 hearts in online games

Field Agent Pick lock on 25 doors.

Aces High You captured all high value targets

Survivor In Eliminator escape from last place 10 times with only 3 seconds to go

What Does This One Do? Use 15 different weapons in Story mode.

Pool Shark Pocket all balls at O’Leary’s.

Did A Lot Of Things Complete 20 Story levels

Whoops Make All 4 players die at same time

A Final Stand Create the Commander's Avatar

A New York Minute Finish In A New York Minute

The Hero We Deserve Reach Level 100

Weapon X Achieve a 5X multiplier

Freestyle Create and win 10 free-play races

Car Collector Fill your Garage with 1,000 cars.

An Alien Menace Complete all objectives in 2280 Return to Planet X on Normal or Hard difficulty.

Keep Close In Revelations, assist a Keeper in defeating every type of enemy.

Boost Master Hit one guardian 10 times with a boost hit in one fight without game over

Not Dead Yet Resurrect a Sim.

Business Time You unlocked Tim by collecting 50 bandages! He's weird...

Major Pain Clear all Major rank missions without using Rations nor First-Aid kits.

First edition Complete one chapter

Arcade Champion Complete all achievements in all games from The Arcade.