DonutPopper

Broken Umbrella Witness the true ending.

That's a Keeper Meet Charles Rookwood in the Map Chamber

Lost And Found Uncover the secret of Arkham City

Sandstorm We are legion

RE: Master of Unlocking Unlock all safes, lockers, strongboxes, and pickable locks.

Survivor Complete the game on "Standard" or higher.

Liberator Complete all Outcast Rescue Missions.

The Hunger Bio Leech 100 enemies.

Hide And Seek A deadly game of hide and seek

Master of the Wilds Complete all Hunting Challenges.

One Slick Super-spy Use only the EMF Visualizer to complete Ada's gameplay segment.

Get Off My Cloud Get 100 High Fall take downs.

Rise and Fall After an uruk kills you to become a Captain, help him become a Warchief, then kill him.

Ghost Train Fight for survival

IQ Test Solve the first riddle

Loom for Improvement Upgrade a piece of gear

Burning Vengeance Perform an Execution on a flaming Berserker.

Freefall Don't look down

Arkham City Sirens Drop in on an old friend

Butcher Perform 200 Glory Kills

Exit Stage Right All the world is a stage

No Power in Numbers Help a Captain survive a Recruitment Power Struggle, and then kill him and all his new recruits.

Lightning Rod Defeat Steropes the Lightning Bringer.

Stinking Rebels Brand 5 Bodyguards of a Warchief, turning them against him in combat.

Fashionista Equip a full matching Gear Set

Young Escapee Escape the bedroom within 60 seconds during Sherry's segment.

Raising Expectations Reach a combo of 100

Heated Conflict Take out 10 soldiers with active Heat

Electric Slide Gather all the fuses in the warehouse within 5 minutes.

Diamond Hard You cleaned out Vangelico to pay back Martin Madrazo.

Challenge Accepted Complete all tiers of a challenge

The White Rider Liberate 30 slaves in 180 seconds while riding a caragor.

Not So Special Take out 10 Special Forces soldiers

A Mighty Doom Acquire a level 25 Rune.

Top of the Pecking Order Win a Cockfighting match

A Gift from Beyond Earn a Rune

Bookworm Read all story files.

The Defender of Dragons Save a dragon

Goodbye, Charlie! Destroy all Charlie dolls.

Coasting Along Visit Poidsear Coast

Stop the Clock Time is running out

I Might Need These Later! Complete the game using 1 or fewer recovery items.

Conundrum Rescue the first hostage from Riddler

Master of Mordor One has walked in Mordor.

Into the Unknown Warp to Hell

Pimp My Sidearm Fully mod a weapon.

Hidden In Plain Sight Find your way to Miami

Open Air Parking Destroy a helicopter during the apocalypse with a vehicle

A Friendship Resurrected With friends like this who needs enemies?

Veteran Complete the game on "Hardcore" or higher.