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Crack The E Nigma Solve every riddle on the island

Chatterbox Complete all conversations with the Endurance crew.

Chose Afterlife Entered the Infraworld.

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

World's Greatest Detective Spirit of Amadeus Arkham revealed

IQ Test Solve the first riddle

Arkham City Sirens Drop in on an old friend

Master Blaster Kill 2 multiplayer enemies with a single explosive.

Down Boy! Kill a zip-lining enemy player in multiplayer.

Sea Legs Complete all naval contracts.

Casual Girl Ordered a pizza, watched some TV and wore something casual.

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

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

Monkey Around In multiplayer, escape death 3 times by using the rope ascender.

Research PhD Max out all possible research

In Love with Ryan Slept with Ryan.

Avid Inventor Successfully invent at least 100 items

Cannon fodder Recruit 500 crew members.

Artilleryman Kill 20 enemy players in multiplayer using a turret.

The Third Thing Defeat Hartman

Siren Song Rescue pirate hostages by distracting enemies with "dancers."

Houdini Got arrested three times and escaped each time.

Weapon Specialist Acquire all upgrades for all weapons

Stop the Clock Time is running out

Aiden's Apocalypse Destroyed the gas station, the church, the gun store and the helicopter.

Conundrum Rescue the first hostage from Riddler

I'm all that! Win a ranked match in every multiplayer mode.

Workplace Recreation Play a single game in Arcade Mode

American Dream GTA Online: Own an Apartment, Garage and an Insured Vehicle

Saved All Saved every character that could be saved.

Personal Bag Of Tricks Finish a game session with an ability set that you customized in Multiplayer.

Astral Plumbing Discover the Astral Plane restroom

Broken Toys Destroy it all

Flawless Freeflow Fighter Complete one combat challenge without taking damage

Multiple Applications Use Multi-Launch to hit 3 targets

In-depth Investigations Find 80% of the Collectibles in the Investigations Sector
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Together Till the End Finished the game in Duo mode.

Historian Find every audio diary

Take Up Arms Join the Companions

Surge Protector Kill 50 enemies with Surge
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Bargaining Chip Reunite the separated couple

Seriously Good at This The player has completed the game on the Hard difficulty setting

Citizen Buy a house

Pick Pocket Steal the score of a lifetime

True Commitment Reach level 60 in multiplayer.

All Too Easy Kill Zinyak in less than 5 minutes in 'Save the Planet'.

Shopaholic Buy every upgrade and character in multiplayer.

Uncontrollable Took every opportunity to be evil as Aiden.

Work Smarter, Not Harder Attach a Surge grenade to an object and Launch it at an enemy

Explorer Found all the bonuses.