Pikrin

Bird on the Ground Shoot down an enemy helicopter with an RPG in the single player campaign.

Reckless Abandon Killed 15 enemies with the Berserker's action skill

The Escape Complete 'Hunted' and 'Death From Above' on Veteran difficulty.

You're on a boat! I bet you never thought you'd be here

The Bog Complete 'The Bog' and 'War Pig' on Veteran difficulty.

Crack The E Nigma Solve every riddle on the island

That Sucked! Defeat the mutated Dimitrescu.

What Are You Doing? 2B's secret discovered 10 times.

The First Horseman Complete 'Shock and Awe' on Veteran difficulty.

Get the Ball Rolling Solve a Labyrinth.

Wardrobe Malfunction Unlock your first change of clothing.

World's Greatest Detective Spirit of Amadeus Arkham revealed

Heartless Rip out 10 Keres Wraith enemy hearts

Desert Storm Find the Desert Eagle in 'Crew Expendable' and kill 5 enemies with it.

Strategist Defeat at least three enemies with one attack in the story.

Homecoming Completed Chapter 14.

Excessive Force Destroy a Titan with your Burst Core in the Campaign

Photographer Use Photo Mode.

Heavy Hitter Execute a 1000-hit combo

Sanctuary Complete "Sanctuary"

Industrial Accident In the Main Campaign, killed 20 enemies with a Sky-Hook Execution.

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

Commonwealth Citizen Reach Level 10

Touchdown! Get a Touchdown

Stoner Break out of stone status 5 times in a row

Family Matters Rescue Sly's long lost Cooper relative in Episode 1.

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

Good as New Restored a Flower Shrine.

Old Softie Don't push away Calliope for one minute

Loom for Improvement Upgrade a piece of gear

New Squadron Record Complete the cargo ship mockup in less than 19 seconds.

Apprentice Reach Level 5

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

The Second Horseman Complete 'Safehouse' on Veteran difficulty.

Bleak Falls Barrow Complete "Bleak Falls Barrow"

Found Cohen's Room The player has entered Sander Cohen's personal quarters

Burning Vengeance Perform an Execution on a flaming Berserker.

Self-Mastered Activated 50 ability nodes.

Got No Strings Defeat Donna and Angie.

Hot Mess Defeated Kane

Arkham City Sirens Drop in on an old friend

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

A Friend in Need Find and free Dandelion.

Into the Woods Discovered the Forest.

Time Paradox Kill Makarov and complete your mission

Cherish Our Resources Have 100 bodies collected.

Fish Out of Water Defeat the mutated Moreau.

Chosen King Defeated Ifrit on Normal difficulty.

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