some_dude101

Bombardier Collect the formulae for 6 different bomb types.

Petrol Head Drive at least thirty different vehicles.

The Cleaner Complete the assassination side missions.

Arch Villain Earn full negative Karma.

Into the Void Collect the Voidwalker

Get Off My Cloud Get 100 High Fall take downs.

Sanity Check Collect all 8 Burner Phones

Treasure Hunter Search 150 caskets
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Snooze 'n' Soothe Heal by sleeping for the first time.

World's Greatest Detective Spirit of Amadeus Arkham revealed

Accurate Prediction Complete a Nostradamus Enigma in Paris.

High Flier Kill 5 duskbats without touching the ground
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Power Cycle Participate in 5 different City Games

With Great Power Comes Greater Power Unlock and purchase all powers.

Master Blaster Kill 2 multiplayer enemies with a single explosive.

Darkness Looms Complete the final mission of the Missing Persons Investigation

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

Sea Legs Complete all naval contracts.

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

Tough Nut Finish the story on hard difficulty level.

Sock Getter Find 15 of Patrick's Socks

Lightning Rod Defeat Steropes the Lightning Bringer.

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

Lubed up Complete the slide in the Statue of Apollo without dying

Stuck Up Rob five stores in under five minutes.

A Friend in Need Find and free Dandelion.

Up to the Challenge Beat the Challenge of Olympus

Tag Teamed Hit 100 Enemies with the Oath Stone of Orkos

Revoking Client Privileges Complete the final mission in the Human Traffic Investigation

Peephole Complete every Privacy Invasion

Hangman Defeat 20 enemies with gunfire by aiming while hanging.

Saturday Night Special Complete the final mission in the Weapons Trade Investigation

Basest Base Complete every Gang Hideout

Research PhD Max out all possible research

Don’t Go - Easy Finish Left Behind on Easy

Unhuman Beat Titan Mode

Greatest Hits Execute a 1000-Hit Combo

Patron of the Arts Watch a play in the Café Théâtre.

Brick Master Win the brick throwing contest

Stealth Cookie Complete an Online Tailing without being detected

Cruise Control Keep any vehicle at thirty mph or over for five more minutes.

The Midas Trick Attempt to open the Golden Chest for 30 seconds

Don't Need It Drop 20 Money Pouches in the streets.

Payback's A B**** Defeat Straga

Sight Beyond Sight Collect the Mask of Shadows

If it ain't broke... Reconstruct all of the Decayed Chests

Sweet Victory Defeat Robo-Sandy in the Poseidome.

Ransacking Versailles Earn 100% completion of Versailles.

Avid Inventor Successfully invent at least 100 items

Cannon fodder Recruit 500 crew members.