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Hearts and Minds Retrieve Manko's Necklace

World's Greatest Detective Spirit of Amadeus Arkham revealed

Weapon Proficiency Over the course of the game, you've scored 100 perfect attacks.

Sharing Is Caring Share each type of discovery with friends once.

That Sucked! Defeat the mutated Dimitrescu.

Rotisserie Shoot a chicken out of the air with a fire arrow

Take a Break You took a break from adventuring.

Take Cover! Recovered the Mothership's Protection Covers.

Twenty Seconds to Comply Complete Street Vulture's Turf quest.

Sanity Check Collect all 8 Burner Phones

Get the Ball Rolling Solve a Labyrinth.

Chose Afterlife Entered the Infraworld.

Pain Builds Character Finish the game on hard difficulty.

Heavy Hitter Execute a 1000-hit combo

Double Dug-in Took out two Wormys at the same time.

New Kid On The Block You have joined the KKK.

A Lot To Process Saved the CPU Kid

IQ Test Solve the first riddle

Last Known Position Lose the enemy 10 times

Brotherhood of the Fist Return of the Dynamic Duo.

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

Ghost Train Fight for survival

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

Stoner Break out of stone status 5 times in a row

Wall Buster Broke up a Bot Wall.

Sanctuary Complete "Sanctuary"

Photographer Use Photo Mode.

Keep It Together! Knocked a Bot out of a Bot Tower without it collapsing.

Touchdown! Get a Touchdown

Maybe you should call a Doctor? Keep the Rage Meter Filled for 2+ Minutes

Old Softie Don't push away Calliope for one minute

Jumping Through Hoops Leaped through the ring in Bubbling Under.

Eyes Of The All-Father Found and defeated all eight ravens in Bot Of War.
6/8

Fireproof Complete the Screw of Archimedes without getting hit by the Fire Traps

A Heart Broken in Two Secure the secret base.

Darkness Looms Complete the final mission of the Missing Persons Investigation

Net Profit Caught the gold butterfly in Apes On The Loose.

Bacon! Kill a razorback boar using a Molotov cocktail

Sea Legs Complete all naval contracts.

At The Top Of My Game Made it to the top of the Mothership.

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

Counterintelligence Complete Chapter 2 in Ada's campaign.

Power Cycle Participate in 5 different City Games

Black Sheep Every family's got one.

Practice Makes Perfect Fully develop any skill.

Freefall Don't look down

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

Fangs Very Much! Rescued all Bots in Serpent Starway.
37/42

Arkham City Sirens Drop in on an old friend

Don't Mess With the Money! Complete Bank Heist quest.