ChAk1990

Unnecessary Roughness Use a Riot shield to beat down an enemy.

Some Like it Hot Kill 6 enemies in a row using a thermal weapon.

In-depth Investigations Find 80% of the Collectibles in the Investigations Sector
52/53

Underwater Archeologist Collect 5 underwater Artifacts

Free Association Join a multiplayer network

Road Rage Complete every Criminal Convoy

Surprise! Assassinate 10 guards from hiding spots

Desperate Times Execute the plan to help the Americans.

The Primal Riddle Obtain a key by completing the sixth Riddler trial.

Tinkering Fully upgrade a Praetor Suit category.

Scar of the Bat Cure the doctor.

Passed the Trial Finish the game on any difficulty.

Hold Still Please Slow 100 Enemies with the Amulet of Uroborus

Whiskey Hotel Take back Whiskey Hotel.

The King is Dead Defeat Eredin.

Days of Fire Extinguish the fires in Gotham City.

Get Used To It Die for the first time.

Prison nightmare Complete the nightmare in chapter 1

The Shadow and the Flame Defeat a Shakiriyya in combat

Supernatural Born Killers Defeat 5 Descendants With a Sniper Rifle

Volcanic Sunscreen Defeat Arges the Bright One

End of Line Complete 40 Fixer Contracts

Fashion Statement Apply dye to an outfit

Fly Swatter Shoot and knock back Marguerite while she's leaping at you.

The Pawn Assault Makarov's safehouse.

Out of the Frying Pan... Complete the mission in the airplane graveyard.

Savage Metal Smash 10 militia transport vehicles off the road without using the immobilizer.

Chasing Jill Read a letter left behind by Jill.

Ashes to Ashes Complete the contract on Therazane.

For the Record Complete the single player campaign on any difficulty.

Dangerous Minds Complete "Dangerous Minds"

Headhunter Headshot 20 guards with throwing knives

Touch of Death Apprehend the weapons dealer and lock him up in GCPD.

Taking Independence Complete "Taking Independence"

To put it bluntly Kill 250 zombies using blunt melee weapons.

Huntress Kill 50 animals while wearing the Huntress outfit

Beat School: Triumph Horns A few notes with a huge result!

Beat School: Brass Knuckles Put up yer dukes, and make a funky horn loop!

Beat School: Jazz Hands Swing to the beat of the cool jazzy brass riff!

Beat School: Battle of the Saxes Practice your sax skills by creating this cool phrase.

Beat School: Blow Your Own Horn Learn the brass basics by constructing this simple trumpet loop.

Ninjerilla Capture an FND Base without being detected (Solo Campaign only)

Say Cheese Captured a picture in Photo Mode

Piggyback Invade and successfully observe 10 enemy Fixers in Online Tailing

The Hands of a Thief Pickpocket 50 people

They're ACTION Figures! Collect 3 figures.

The Smart Driver Complete a Scatter Death Run

Ranger Corps Discover 100 Locations

Specialized Earn all Skills in one category

Together Till the End Finished the game in Duo mode.